| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:analyzer/dart/analysis/features.dart'; |
| import 'package:analyzer/dart/analysis/utilities.dart'; |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/dart/ast/token.dart'; |
| import 'package:analyzer/src/dart/ast/ast_factory.dart'; |
| import 'package:analyzer/src/dart/ast/token.dart'; |
| import 'package:analyzer/src/dart/scanner/scanner.dart'; |
| import 'package:analyzer/src/generated/parser.dart'; |
| import 'package:analyzer/src/generated/testing/ast_test_factory.dart'; |
| import 'package:analyzer/src/generated/testing/token_factory.dart'; |
| import 'package:analyzer/src/string_source.dart'; |
| import 'package:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../../generated/parser_test_base.dart' show ParserTestCase; |
| import '../../generated/test_support.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(ClassDeclarationTest); |
| defineReflectiveTests(ClassTypeAliasTest); |
| defineReflectiveTests(ConstructorDeclarationTest); |
| defineReflectiveTests(FieldFormalParameterTest); |
| defineReflectiveTests(IndexExpressionTest); |
| defineReflectiveTests(InterpolationStringTest); |
| defineReflectiveTests(MethodDeclarationTest); |
| defineReflectiveTests(MethodInvocationTest); |
| defineReflectiveTests(NodeListTest); |
| defineReflectiveTests(PreviousTokenTest); |
| defineReflectiveTests(PropertyAccessTest); |
| defineReflectiveTests(SimpleIdentifierTest); |
| defineReflectiveTests(SimpleStringLiteralTest); |
| defineReflectiveTests(SpreadElementTest); |
| defineReflectiveTests(StringInterpolationTest); |
| defineReflectiveTests(VariableDeclarationTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class ClassDeclarationTest extends ParserTestCase { |
| void test_getConstructor() { |
| List<ConstructorInitializer> initializers = <ConstructorInitializer>[]; |
| ConstructorDeclaration defaultConstructor = |
| AstTestFactory.constructorDeclaration( |
| AstTestFactory.identifier3("Test"), |
| null, |
| AstTestFactory.formalParameterList(), |
| initializers); |
| ConstructorDeclaration aConstructor = AstTestFactory.constructorDeclaration( |
| AstTestFactory.identifier3("Test"), |
| "a", |
| AstTestFactory.formalParameterList(), |
| initializers); |
| ConstructorDeclaration bConstructor = AstTestFactory.constructorDeclaration( |
| AstTestFactory.identifier3("Test"), |
| "b", |
| AstTestFactory.formalParameterList(), |
| initializers); |
| ClassDeclaration clazz = AstTestFactory.classDeclaration(null, "Test", null, |
| null, null, null, [defaultConstructor, aConstructor, bConstructor]); |
| expect(clazz.getConstructor(null), same(defaultConstructor)); |
| expect(clazz.getConstructor("a"), same(aConstructor)); |
| expect(clazz.getConstructor("b"), same(bConstructor)); |
| expect(clazz.getConstructor("noSuchConstructor"), isNull); |
| } |
| |
| void test_getField() { |
| VariableDeclaration aVar = AstTestFactory.variableDeclaration("a"); |
| VariableDeclaration bVar = AstTestFactory.variableDeclaration("b"); |
| VariableDeclaration cVar = AstTestFactory.variableDeclaration("c"); |
| ClassDeclaration clazz = |
| AstTestFactory.classDeclaration(null, "Test", null, null, null, null, [ |
| AstTestFactory.fieldDeclaration2(false, null, [aVar]), |
| AstTestFactory.fieldDeclaration2(false, null, [bVar, cVar]) |
| ]); |
| expect(clazz.getField("a"), same(aVar)); |
| expect(clazz.getField("b"), same(bVar)); |
| expect(clazz.getField("c"), same(cVar)); |
| expect(clazz.getField("noSuchField"), isNull); |
| } |
| |
| void test_getMethod() { |
| MethodDeclaration aMethod = AstTestFactory.methodDeclaration( |
| null, |
| null, |
| null, |
| null, |
| AstTestFactory.identifier3("a"), |
| AstTestFactory.formalParameterList()); |
| MethodDeclaration bMethod = AstTestFactory.methodDeclaration( |
| null, |
| null, |
| null, |
| null, |
| AstTestFactory.identifier3("b"), |
| AstTestFactory.formalParameterList()); |
| ClassDeclaration clazz = AstTestFactory.classDeclaration( |
| null, "Test", null, null, null, null, [aMethod, bMethod]); |
| expect(clazz.getMethod("a"), same(aMethod)); |
| expect(clazz.getMethod("b"), same(bMethod)); |
| expect(clazz.getMethod("noSuchMethod"), isNull); |
| } |
| |
| void test_isAbstract() { |
| expect( |
| AstTestFactory.classDeclaration(null, "A", null, null, null, null) |
| .isAbstract, |
| isFalse); |
| expect( |
| AstTestFactory.classDeclaration( |
| Keyword.ABSTRACT, "B", null, null, null, null) |
| .isAbstract, |
| isTrue); |
| } |
| } |
| |
| @reflectiveTest |
| class ClassTypeAliasTest extends ParserTestCase { |
| void test_isAbstract() { |
| expect( |
| AstTestFactory.classTypeAlias( |
| "A", |
| null, |
| null, |
| AstTestFactory.typeName4('B'), |
| AstTestFactory.withClause([AstTestFactory.typeName4('M')]), |
| null) |
| .isAbstract, |
| isFalse); |
| expect( |
| AstTestFactory.classTypeAlias( |
| "B", |
| null, |
| Keyword.ABSTRACT, |
| AstTestFactory.typeName4('A'), |
| AstTestFactory.withClause([AstTestFactory.typeName4('M')]), |
| null) |
| .isAbstract, |
| isTrue); |
| } |
| } |
| |
| @reflectiveTest |
| class ConstructorDeclarationTest { |
| void test_firstTokenAfterCommentAndMetadata_all_inverted() { |
| Token externalKeyword = TokenFactory.tokenFromKeyword(Keyword.EXTERNAL); |
| externalKeyword.offset = 14; |
| var declaration = AstTestFactory.constructorDeclaration2( |
| Keyword.CONST, |
| Keyword.FACTORY, |
| AstTestFactory.identifier3('int'), |
| null, |
| AstTestFactory.formalParameterList(), |
| [], |
| AstTestFactory.emptyFunctionBody()); |
| declaration.externalKeyword = externalKeyword; |
| declaration.constKeyword!.offset = 8; |
| Token factoryKeyword = declaration.factoryKeyword!; |
| factoryKeyword.offset = 0; |
| expect(declaration.firstTokenAfterCommentAndMetadata, factoryKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_all_normal() { |
| Token token = TokenFactory.tokenFromKeyword(Keyword.EXTERNAL); |
| token.offset = 0; |
| var declaration = AstTestFactory.constructorDeclaration2( |
| Keyword.CONST, |
| Keyword.FACTORY, |
| AstTestFactory.identifier3('int'), |
| null, |
| AstTestFactory.formalParameterList(), |
| [], |
| AstTestFactory.emptyFunctionBody()); |
| declaration.externalKeyword = token; |
| declaration.constKeyword!.offset = 9; |
| declaration.factoryKeyword!.offset = 15; |
| expect(declaration.firstTokenAfterCommentAndMetadata, token); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_constOnly() { |
| ConstructorDeclaration declaration = AstTestFactory.constructorDeclaration2( |
| Keyword.CONST, |
| null, |
| AstTestFactory.identifier3('int'), |
| null, |
| AstTestFactory.formalParameterList(), |
| [], |
| AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.constKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_externalOnly() { |
| Token externalKeyword = TokenFactory.tokenFromKeyword(Keyword.EXTERNAL); |
| var declaration = AstTestFactory.constructorDeclaration2( |
| null, |
| null, |
| AstTestFactory.identifier3('int'), |
| null, |
| AstTestFactory.formalParameterList(), |
| [], |
| AstTestFactory.emptyFunctionBody()); |
| declaration.externalKeyword = externalKeyword; |
| expect(declaration.firstTokenAfterCommentAndMetadata, externalKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_factoryOnly() { |
| ConstructorDeclaration declaration = AstTestFactory.constructorDeclaration2( |
| null, |
| Keyword.FACTORY, |
| AstTestFactory.identifier3('int'), |
| null, |
| AstTestFactory.formalParameterList(), |
| [], |
| AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.factoryKeyword); |
| } |
| } |
| |
| @reflectiveTest |
| class FieldFormalParameterTest { |
| void test_endToken_noParameters() { |
| FieldFormalParameter parameter = |
| AstTestFactory.fieldFormalParameter2('field'); |
| expect(parameter.endToken, parameter.identifier.endToken); |
| } |
| |
| void test_endToken_parameters() { |
| FieldFormalParameter parameter = AstTestFactory.fieldFormalParameter( |
| null, null, 'field', AstTestFactory.formalParameterList([])); |
| expect(parameter.endToken, parameter.parameters!.endToken); |
| } |
| } |
| |
| @reflectiveTest |
| class IndexExpressionTest { |
| void test_inGetterContext_assignment_compound_left() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // a[b] += c |
| AstTestFactory.assignmentExpression( |
| expression, TokenType.PLUS_EQ, AstTestFactory.identifier3("c")); |
| expect(expression.inGetterContext(), isTrue); |
| } |
| |
| void test_inGetterContext_assignment_simple_left() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // a[b] = c |
| AstTestFactory.assignmentExpression( |
| expression, TokenType.EQ, AstTestFactory.identifier3("c")); |
| expect(expression.inGetterContext(), isFalse); |
| } |
| |
| void test_inGetterContext_nonAssignment() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // a[b] + c |
| AstTestFactory.binaryExpression( |
| expression, TokenType.PLUS, AstTestFactory.identifier3("c")); |
| expect(expression.inGetterContext(), isTrue); |
| } |
| |
| void test_inSetterContext_assignment_compound_left() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // a[b] += c |
| AstTestFactory.assignmentExpression( |
| expression, TokenType.PLUS_EQ, AstTestFactory.identifier3("c")); |
| expect(expression.inSetterContext(), isTrue); |
| } |
| |
| void test_inSetterContext_assignment_compound_right() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // c += a[b] |
| AstTestFactory.assignmentExpression( |
| AstTestFactory.identifier3("c"), TokenType.PLUS_EQ, expression); |
| expect(expression.inSetterContext(), isFalse); |
| } |
| |
| void test_inSetterContext_assignment_simple_left() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // a[b] = c |
| AstTestFactory.assignmentExpression( |
| expression, TokenType.EQ, AstTestFactory.identifier3("c")); |
| expect(expression.inSetterContext(), isTrue); |
| } |
| |
| void test_inSetterContext_assignment_simple_right() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // c = a[b] |
| AstTestFactory.assignmentExpression( |
| AstTestFactory.identifier3("c"), TokenType.EQ, expression); |
| expect(expression.inSetterContext(), isFalse); |
| } |
| |
| void test_inSetterContext_nonAssignment() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| AstTestFactory.binaryExpression( |
| expression, TokenType.PLUS, AstTestFactory.identifier3("c")); |
| // a[b] + cc |
| expect(expression.inSetterContext(), isFalse); |
| } |
| |
| void test_inSetterContext_postfix_bang() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // a[b]! |
| AstTestFactory.postfixExpression(expression, TokenType.BANG); |
| expect(expression.inSetterContext(), isFalse); |
| } |
| |
| void test_inSetterContext_postfix_plusPlus() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| AstTestFactory.postfixExpression(expression, TokenType.PLUS_PLUS); |
| // a[b]++ |
| expect(expression.inSetterContext(), isTrue); |
| } |
| |
| void test_inSetterContext_prefix_bang() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // !a[b] |
| AstTestFactory.prefixExpression(TokenType.BANG, expression); |
| expect(expression.inSetterContext(), isFalse); |
| } |
| |
| void test_inSetterContext_prefix_minusMinus() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // --a[b] |
| AstTestFactory.prefixExpression(TokenType.MINUS_MINUS, expression); |
| expect(expression.inSetterContext(), isTrue); |
| } |
| |
| void test_inSetterContext_prefix_plusPlus() { |
| IndexExpression expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.identifier3("a"), |
| index: AstTestFactory.identifier3("b"), |
| ); |
| // ++a[b] |
| AstTestFactory.prefixExpression(TokenType.PLUS_PLUS, expression); |
| expect(expression.inSetterContext(), isTrue); |
| } |
| |
| void test_isNullAware_cascade_false() { |
| final expression = AstTestFactory.indexExpressionForCascade( |
| AstTestFactory.nullLiteral(), |
| AstTestFactory.nullLiteral(), |
| TokenType.PERIOD_PERIOD, |
| TokenType.OPEN_SQUARE_BRACKET); |
| AstTestFactory.cascadeExpression( |
| AstTestFactory.nullLiteral(), |
| [expression], |
| ); |
| expect(expression.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_cascade_true() { |
| final expression = AstTestFactory.indexExpressionForCascade( |
| AstTestFactory.nullLiteral(), |
| AstTestFactory.nullLiteral(), |
| TokenType.QUESTION_PERIOD_PERIOD, |
| TokenType.OPEN_SQUARE_BRACKET); |
| AstTestFactory.cascadeExpression( |
| AstTestFactory.nullLiteral(), |
| [expression], |
| ); |
| expect(expression.isNullAware, isTrue); |
| } |
| |
| void test_isNullAware_false() { |
| final expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.nullLiteral(), |
| index: AstTestFactory.nullLiteral(), |
| ); |
| expect(expression.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_regularIndex() { |
| final expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.nullLiteral(), |
| index: AstTestFactory.nullLiteral(), |
| ); |
| expect(expression.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_true() { |
| final expression = AstTestFactory.indexExpression( |
| target: AstTestFactory.nullLiteral(), |
| hasQuestion: true, |
| index: AstTestFactory.nullLiteral(), |
| ); |
| expect(expression.isNullAware, isTrue); |
| } |
| } |
| |
| @reflectiveTest |
| class InterpolationStringTest extends ParserTestCase { |
| /// This field is updated in [_parseStringInterpolation]. |
| /// It is used in [_assertContentsOffsetEnd]. |
| var _baseOffset = 0; |
| |
| void test_contentsOffset_doubleQuote_first() { |
| var interpolation = _parseStringInterpolation('"foo\$x last"'); |
| var node = interpolation.firstString; |
| _assertContentsOffsetEnd(node, 1, 4); |
| } |
| |
| void test_contentsOffset_doubleQuote_last() { |
| var interpolation = _parseStringInterpolation('"first \$x foo"'); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 9, 13); |
| } |
| |
| void test_contentsOffset_doubleQuote_last_empty() { |
| var interpolation = _parseStringInterpolation('"first \$x"'); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 9, 9); |
| } |
| |
| void test_contentsOffset_doubleQuote_last_unterminated() { |
| var interpolation = _parseStringInterpolation('"first \$x foo'); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 9, 13); |
| } |
| |
| void test_contentsOffset_doubleQuote_multiline_first() { |
| var interpolation = _parseStringInterpolation('"""foo\n\$x last"""'); |
| var node = interpolation.firstString; |
| _assertContentsOffsetEnd(node, 3, 7); |
| } |
| |
| void test_contentsOffset_doubleQuote_multiline_last() { |
| var interpolation = _parseStringInterpolation('"""first\$x foo\n"""'); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 10, 15); |
| } |
| |
| void test_contentsOffset_doubleQuote_multiline_last_empty() { |
| var interpolation = _parseStringInterpolation('"""first\$x"""'); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 10, 10); |
| } |
| |
| void test_contentsOffset_doubleQuote_multiline_last_unterminated() { |
| var interpolation = _parseStringInterpolation('"""first\$x foo\n'); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 10, 15); |
| } |
| |
| void test_contentsOffset_escapeCharacters() { |
| // Contents offset cannot use 'value' string, because of escape sequences. |
| var interpolation = _parseStringInterpolation(r'"foo\nbar$x last"'); |
| var node = interpolation.firstString; |
| _assertContentsOffsetEnd(node, 1, 9); |
| } |
| |
| void test_contentsOffset_middle() { |
| var interpolation = |
| _parseStringInterpolation(r'"first $x foo\nbar $y last"'); |
| var node = interpolation.elements[2] as InterpolationString; |
| _assertContentsOffsetEnd(node, 9, 19); |
| } |
| |
| void test_contentsOffset_middle_quoteBegin() { |
| var interpolation = _parseStringInterpolation('"first \$x \'foo\$y last"'); |
| var node = interpolation.elements[2] as InterpolationString; |
| _assertContentsOffsetEnd(node, 9, 14); |
| } |
| |
| void test_contentsOffset_middle_quoteBeginEnd() { |
| var interpolation = |
| _parseStringInterpolation('"first \$x \'foo\'\$y last"'); |
| var node = interpolation.elements[2] as InterpolationString; |
| _assertContentsOffsetEnd(node, 9, 15); |
| } |
| |
| void test_contentsOffset_middle_quoteEnd() { |
| var interpolation = _parseStringInterpolation('"first \$x foo\'\$y last"'); |
| var node = interpolation.elements[2] as InterpolationString; |
| _assertContentsOffsetEnd(node, 9, 14); |
| } |
| |
| void test_contentsOffset_singleQuote_first() { |
| var interpolation = _parseStringInterpolation("'foo\$x last'"); |
| var node = interpolation.firstString; |
| _assertContentsOffsetEnd(node, 1, 4); |
| } |
| |
| void test_contentsOffset_singleQuote_last() { |
| var interpolation = _parseStringInterpolation("'first \$x foo'"); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 9, 13); |
| } |
| |
| void test_contentsOffset_singleQuote_last_empty() { |
| var interpolation = _parseStringInterpolation("'first \$x'"); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 9, 9); |
| } |
| |
| void test_contentsOffset_singleQuote_last_unterminated() { |
| var interpolation = _parseStringInterpolation("'first \$x"); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 9, 9); |
| } |
| |
| void test_contentsOffset_singleQuote_multiline_first() { |
| var interpolation = _parseStringInterpolation("'''foo\n\$x last'''"); |
| var node = interpolation.firstString; |
| _assertContentsOffsetEnd(node, 3, 7); |
| } |
| |
| void test_contentsOffset_singleQuote_multiline_last() { |
| var interpolation = _parseStringInterpolation("'''first\$x foo\n'''"); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 10, 15); |
| } |
| |
| void test_contentsOffset_singleQuote_multiline_last_empty() { |
| var interpolation = _parseStringInterpolation("'''first\$x'''"); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 10, 10); |
| } |
| |
| void test_contentsOffset_singleQuote_multiline_last_unterminated() { |
| var interpolation = _parseStringInterpolation("'''first\$x'''"); |
| var node = interpolation.lastString; |
| _assertContentsOffsetEnd(node, 10, 10); |
| } |
| |
| void _assertContentsOffsetEnd(InterpolationString node, int offset, int end) { |
| expect(node.contentsOffset, _baseOffset + offset); |
| expect(node.contentsEnd, _baseOffset + end); |
| } |
| |
| StringInterpolation _parseStringInterpolation(String code) { |
| var unitCode = 'var x = '; |
| _baseOffset = unitCode.length; |
| unitCode += code; |
| var unit = parseString( |
| content: unitCode, |
| throwIfDiagnostics: false, |
| ).unit; |
| var declaration = unit.declarations[0] as TopLevelVariableDeclaration; |
| return declaration.variables.variables[0].initializer |
| as StringInterpolation; |
| } |
| } |
| |
| @reflectiveTest |
| class MethodDeclarationTest { |
| void test_firstTokenAfterCommentAndMetadata_external() { |
| MethodDeclaration declaration = AstTestFactory.methodDeclaration4( |
| external: true, name: 'm', body: AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.externalKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_external_getter() { |
| MethodDeclaration declaration = AstTestFactory.methodDeclaration4( |
| external: true, |
| property: Keyword.GET, |
| name: 'm', |
| body: AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.externalKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_external_operator() { |
| MethodDeclaration declaration = AstTestFactory.methodDeclaration4( |
| external: true, |
| operator: true, |
| name: 'm', |
| body: AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.externalKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_getter() { |
| MethodDeclaration declaration = AstTestFactory.methodDeclaration4( |
| property: Keyword.GET, |
| name: 'm', |
| body: AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.propertyKeyword); |
| } |
| |
| void test_firstTokenAfterCommentAndMetadata_operator() { |
| MethodDeclaration declaration = AstTestFactory.methodDeclaration4( |
| operator: true, name: 'm', body: AstTestFactory.emptyFunctionBody()); |
| expect(declaration.firstTokenAfterCommentAndMetadata, |
| declaration.operatorKeyword); |
| } |
| } |
| |
| @reflectiveTest |
| class MethodInvocationTest extends ParserTestCase { |
| void test_isNullAware_cascade() { |
| var invocation = astFactory.methodInvocation( |
| null, |
| TokenFactory.tokenFromType(TokenType.PERIOD_PERIOD), |
| AstTestFactory.identifier3('foo'), |
| null, |
| AstTestFactory.argumentList(), |
| ); |
| AstTestFactory.cascadeExpression( |
| AstTestFactory.nullLiteral(), |
| [invocation], |
| ); |
| expect(invocation.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_cascade_true() { |
| var invocation = astFactory.methodInvocation( |
| null, |
| TokenFactory.tokenFromType(TokenType.QUESTION_PERIOD_PERIOD), |
| AstTestFactory.identifier3('foo'), |
| null, |
| AstTestFactory.argumentList(), |
| ); |
| AstTestFactory.cascadeExpression( |
| AstTestFactory.nullLiteral(), |
| [invocation], |
| ); |
| expect(invocation.isNullAware, isTrue); |
| } |
| |
| void test_isNullAware_regularInvocation() { |
| final invocation = AstTestFactory.methodInvocation3( |
| AstTestFactory.nullLiteral(), 'foo', null, [], TokenType.PERIOD); |
| expect(invocation.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_true() { |
| final invocation = AstTestFactory.methodInvocation3( |
| AstTestFactory.nullLiteral(), |
| 'foo', |
| null, |
| [], |
| TokenType.QUESTION_PERIOD); |
| expect(invocation.isNullAware, isTrue); |
| } |
| } |
| |
| @reflectiveTest |
| class NodeListTest { |
| void test_add() { |
| AstNode parent = AstTestFactory.argumentList(); |
| AstNode firstNode = AstTestFactory.booleanLiteral(true); |
| AstNode secondNode = AstTestFactory.booleanLiteral(false); |
| NodeList<AstNode> list = astFactory.nodeList<AstNode>(parent); |
| list.insert(0, secondNode); |
| list.insert(0, firstNode); |
| expect(list, hasLength(2)); |
| expect(list[0], same(firstNode)); |
| expect(list[1], same(secondNode)); |
| expect(firstNode.parent, same(parent)); |
| expect(secondNode.parent, same(parent)); |
| AstNode thirdNode = AstTestFactory.booleanLiteral(false); |
| list.insert(1, thirdNode); |
| expect(list, hasLength(3)); |
| expect(list[0], same(firstNode)); |
| expect(list[1], same(thirdNode)); |
| expect(list[2], same(secondNode)); |
| expect(firstNode.parent, same(parent)); |
| expect(secondNode.parent, same(parent)); |
| expect(thirdNode.parent, same(parent)); |
| } |
| |
| void test_add_negative() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list.insert(-1, AstTestFactory.booleanLiteral(true)); |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_add_tooBig() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list.insert(1, AstTestFactory.booleanLiteral(true)); |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_addAll() { |
| AstNode parent = AstTestFactory.argumentList(); |
| List<AstNode> firstNodes = <AstNode>[]; |
| AstNode firstNode = AstTestFactory.booleanLiteral(true); |
| AstNode secondNode = AstTestFactory.booleanLiteral(false); |
| firstNodes.add(firstNode); |
| firstNodes.add(secondNode); |
| NodeList<AstNode> list = astFactory.nodeList<AstNode>(parent); |
| list.addAll(firstNodes); |
| expect(list, hasLength(2)); |
| expect(list[0], same(firstNode)); |
| expect(list[1], same(secondNode)); |
| expect(firstNode.parent, same(parent)); |
| expect(secondNode.parent, same(parent)); |
| List<AstNode> secondNodes = <AstNode>[]; |
| AstNode thirdNode = AstTestFactory.booleanLiteral(true); |
| AstNode fourthNode = AstTestFactory.booleanLiteral(false); |
| secondNodes.add(thirdNode); |
| secondNodes.add(fourthNode); |
| list.addAll(secondNodes); |
| expect(list, hasLength(4)); |
| expect(list[0], same(firstNode)); |
| expect(list[1], same(secondNode)); |
| expect(list[2], same(thirdNode)); |
| expect(list[3], same(fourthNode)); |
| expect(firstNode.parent, same(parent)); |
| expect(secondNode.parent, same(parent)); |
| expect(thirdNode.parent, same(parent)); |
| expect(fourthNode.parent, same(parent)); |
| } |
| |
| void test_creation() { |
| AstNode owner = AstTestFactory.argumentList(); |
| NodeList<AstNode> list = astFactory.nodeList<AstNode>(owner); |
| expect(list, isNotNull); |
| expect(list, hasLength(0)); |
| expect(list.owner, same(owner)); |
| } |
| |
| void test_get_negative() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list[-1]; |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_get_tooBig() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list[1]; |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_getBeginToken_empty() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| expect(list.beginToken, isNull); |
| } |
| |
| void test_getBeginToken_nonEmpty() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| AstNode node = AstTestFactory.parenthesizedExpression( |
| AstTestFactory.booleanLiteral(true)); |
| list.add(node); |
| expect(list.beginToken, same(node.beginToken)); |
| } |
| |
| void test_getEndToken_empty() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| expect(list.endToken, isNull); |
| } |
| |
| void test_getEndToken_nonEmpty() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| AstNode node = AstTestFactory.parenthesizedExpression( |
| AstTestFactory.booleanLiteral(true)); |
| list.add(node); |
| expect(list.endToken, same(node.endToken)); |
| } |
| |
| void test_indexOf() { |
| List<AstNode> nodes = <AstNode>[]; |
| AstNode firstNode = AstTestFactory.booleanLiteral(true); |
| AstNode secondNode = AstTestFactory.booleanLiteral(false); |
| AstNode thirdNode = AstTestFactory.booleanLiteral(true); |
| AstNode fourthNode = AstTestFactory.booleanLiteral(false); |
| nodes.add(firstNode); |
| nodes.add(secondNode); |
| nodes.add(thirdNode); |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| list.addAll(nodes); |
| expect(list, hasLength(3)); |
| expect(list.indexOf(firstNode), 0); |
| expect(list.indexOf(secondNode), 1); |
| expect(list.indexOf(thirdNode), 2); |
| expect(list.indexOf(fourthNode), -1); |
| } |
| |
| void test_remove() { |
| List<AstNode> nodes = <AstNode>[]; |
| AstNode firstNode = AstTestFactory.booleanLiteral(true); |
| AstNode secondNode = AstTestFactory.booleanLiteral(false); |
| AstNode thirdNode = AstTestFactory.booleanLiteral(true); |
| nodes.add(firstNode); |
| nodes.add(secondNode); |
| nodes.add(thirdNode); |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| list.addAll(nodes); |
| expect(list, hasLength(3)); |
| expect(list.removeAt(1), same(secondNode)); |
| expect(list, hasLength(2)); |
| expect(list[0], same(firstNode)); |
| expect(list[1], same(thirdNode)); |
| } |
| |
| void test_remove_negative() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list.removeAt(-1); |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_remove_tooBig() { |
| NodeList<AstNode> list = |
| astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list.removeAt(1); |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_set() { |
| List<AstNode> nodes = <AstNode>[]; |
| AstNode firstNode = AstTestFactory.booleanLiteral(true); |
| AstNode secondNode = AstTestFactory.booleanLiteral(false); |
| AstNode thirdNode = AstTestFactory.booleanLiteral(true); |
| nodes.add(firstNode); |
| nodes.add(secondNode); |
| nodes.add(thirdNode); |
| var list = astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| list.addAll(nodes); |
| expect(list, hasLength(3)); |
| AstNode fourthNode = AstTestFactory.integer(0); |
| list[1] = fourthNode; |
| expect(list, hasLength(3)); |
| expect(list[0], same(firstNode)); |
| expect(list[1], same(fourthNode)); |
| expect(list[2], same(thirdNode)); |
| } |
| |
| void test_set_negative() { |
| AstNode node = AstTestFactory.booleanLiteral(true); |
| var list = astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list[-1] = node; |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| |
| void test_set_tooBig() { |
| AstNode node = AstTestFactory.booleanLiteral(true); |
| var list = astFactory.nodeList<AstNode>(AstTestFactory.argumentList()); |
| try { |
| list[1] = node; |
| fail("Expected IndexOutOfBoundsException"); |
| } on RangeError { |
| // Expected |
| } |
| } |
| } |
| |
| @reflectiveTest |
| class PreviousTokenTest { |
| static final String contents = ''' |
| class A { |
| B foo(C c) { |
| return bar; |
| } |
| D get baz => null; |
| } |
| E f() => g; |
| '''; |
| |
| final featureSet = FeatureSet.forTesting(sdkVersion: '2.2.2'); |
| |
| CompilationUnit? _unit; |
| |
| CompilationUnit get unit { |
| if (_unit == null) { |
| GatheringErrorListener listener = |
| GatheringErrorListener(checkRanges: true); |
| var source = |
| StringSource(contents, 'PreviousTokenTest_findPrevious.dart'); |
| var scanner = Scanner.fasta(source, listener) |
| ..configureFeatures( |
| featureSetForOverriding: featureSet, |
| featureSet: featureSet, |
| ); |
| Token tokens = scanner.tokenize(); |
| _unit = Parser( |
| source, |
| listener, |
| featureSet: featureSet, |
| ).parseCompilationUnit(tokens); |
| } |
| return _unit!; |
| } |
| |
| Token findToken(String lexeme) { |
| Token token = unit.beginToken; |
| while (!token.isEof) { |
| if (token.lexeme == lexeme) { |
| return token; |
| } |
| token = token.next!; |
| } |
| fail('Failed to find $lexeme'); |
| } |
| |
| void test_findPrevious_basic_class() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| expect(clazz.findPrevious(findToken('A'))!.lexeme, 'class'); |
| } |
| |
| void test_findPrevious_basic_method() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| var method = clazz.members[0] as MethodDeclaration; |
| expect(method.findPrevious(findToken('foo'))!.lexeme, 'B'); |
| } |
| |
| void test_findPrevious_basic_statement() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| var method = clazz.members[0] as MethodDeclaration; |
| var body = method.body as BlockFunctionBody; |
| Statement statement = body.block.statements[0]; |
| expect(statement.findPrevious(findToken('bar'))!.lexeme, 'return'); |
| expect(statement.findPrevious(findToken(';'))!.lexeme, 'bar'); |
| } |
| |
| void test_findPrevious_missing() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| var method = clazz.members[0] as MethodDeclaration; |
| var body = method.body as BlockFunctionBody; |
| Statement statement = body.block.statements[0]; |
| |
| GatheringErrorListener listener = GatheringErrorListener(checkRanges: true); |
| var source = StringSource('missing', 'PreviousTokenTest_missing.dart'); |
| var scanner = Scanner.fasta(source, listener) |
| ..configureFeatures( |
| featureSetForOverriding: featureSet, |
| featureSet: featureSet, |
| ); |
| Token missing = scanner.tokenize(); |
| |
| expect(statement.findPrevious(missing), null); |
| } |
| |
| void test_findPrevious_parent_method() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| var method = clazz.members[0] as MethodDeclaration; |
| expect(method.findPrevious(findToken('B'))!.lexeme, '{'); |
| } |
| |
| void test_findPrevious_parent_statement() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| var method = clazz.members[0] as MethodDeclaration; |
| var body = method.body as BlockFunctionBody; |
| Statement statement = body.block.statements[0]; |
| expect(statement.findPrevious(findToken('return'))!.lexeme, '{'); |
| } |
| |
| void test_findPrevious_sibling_class() { |
| CompilationUnitMember declaration = unit.declarations[1]; |
| expect(declaration.findPrevious(findToken('E'))!.lexeme, '}'); |
| } |
| |
| void test_findPrevious_sibling_method() { |
| var clazz = unit.declarations[0] as ClassDeclaration; |
| var method = clazz.members[1] as MethodDeclaration; |
| expect(method.findPrevious(findToken('D'))!.lexeme, '}'); |
| } |
| } |
| |
| @reflectiveTest |
| class PropertyAccessTest extends ParserTestCase { |
| void test_isNullAware_cascade() { |
| final invocation = AstTestFactory.propertyAccess2( |
| AstTestFactory.nullLiteral(), 'foo', TokenType.PERIOD_PERIOD); |
| AstTestFactory.cascadeExpression( |
| AstTestFactory.nullLiteral(), |
| [invocation], |
| ); |
| expect(invocation.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_cascade_true() { |
| final invocation = AstTestFactory.propertyAccess2( |
| null, 'foo', TokenType.QUESTION_PERIOD_PERIOD); |
| AstTestFactory.cascadeExpression( |
| AstTestFactory.nullLiteral(), |
| [invocation], |
| ); |
| expect(invocation.isNullAware, isTrue); |
| } |
| |
| void test_isNullAware_regularPropertyAccess() { |
| final invocation = AstTestFactory.propertyAccess2( |
| AstTestFactory.nullLiteral(), 'foo', TokenType.PERIOD); |
| expect(invocation.isNullAware, isFalse); |
| } |
| |
| void test_isNullAware_true() { |
| final invocation = AstTestFactory.propertyAccess2( |
| AstTestFactory.nullLiteral(), 'foo', TokenType.QUESTION_PERIOD); |
| expect(invocation.isNullAware, isTrue); |
| } |
| } |
| |
| @reflectiveTest |
| class SimpleIdentifierTest extends ParserTestCase { |
| void test_inGetterContext() { |
| for (_WrapperKind wrapper in _WrapperKind.values) { |
| for (_AssignmentKind assignment in _AssignmentKind.values) { |
| SimpleIdentifier identifier = _createIdentifier(wrapper, assignment); |
| if (assignment == _AssignmentKind.SIMPLE_LEFT && |
| wrapper != _WrapperKind.PREFIXED_LEFT && |
| wrapper != _WrapperKind.PROPERTY_LEFT) { |
| if (identifier.inGetterContext()) { |
| fail("Expected ${_topMostNode(identifier).toSource()} to be false"); |
| } |
| } else { |
| if (!identifier.inGetterContext()) { |
| fail("Expected ${_topMostNode(identifier).toSource()} to be true"); |
| } |
| } |
| } |
| } |
| } |
| |
| void test_inGetterContext_constructorFieldInitializer() { |
| ConstructorFieldInitializer initializer = |
| AstTestFactory.constructorFieldInitializer( |
| false, 'f', AstTestFactory.integer(0)); |
| SimpleIdentifier identifier = initializer.fieldName; |
| expect(identifier.inGetterContext(), isFalse); |
| } |
| |
| void test_inGetterContext_fieldFormalParameter() { |
| FieldFormalParameter parameter = |
| AstTestFactory.fieldFormalParameter2('test'); |
| SimpleIdentifier identifier = parameter.identifier; |
| expect(identifier.inGetterContext(), isFalse); |
| } |
| |
| void test_inGetterContext_forEachLoop() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("a"); |
| Expression iterator = AstTestFactory.listLiteral(); |
| Statement body = AstTestFactory.block(); |
| AstTestFactory.forStatement( |
| AstTestFactory.forEachPartsWithIdentifier(identifier, iterator), body); |
| expect(identifier.inGetterContext(), isFalse); |
| } |
| |
| void test_inGetterContext_variableDeclaration() { |
| VariableDeclaration variable = AstTestFactory.variableDeclaration('test'); |
| SimpleIdentifier identifier = variable.name; |
| expect(identifier.inGetterContext(), isFalse); |
| } |
| |
| void test_inReferenceContext() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("id"); |
| AstTestFactory.namedExpression( |
| AstTestFactory.label(identifier), AstTestFactory.identifier3("_")); |
| expect(identifier.inGetterContext(), isFalse); |
| expect(identifier.inSetterContext(), isFalse); |
| } |
| |
| void test_inSetterContext() { |
| for (_WrapperKind wrapper in _WrapperKind.values) { |
| for (_AssignmentKind assignment in _AssignmentKind.values) { |
| SimpleIdentifier identifier = _createIdentifier(wrapper, assignment); |
| if (wrapper == _WrapperKind.PREFIXED_LEFT || |
| wrapper == _WrapperKind.PROPERTY_LEFT || |
| assignment == _AssignmentKind.BINARY || |
| assignment == _AssignmentKind.COMPOUND_RIGHT || |
| assignment == _AssignmentKind.POSTFIX_BANG || |
| assignment == _AssignmentKind.PREFIX_NOT || |
| assignment == _AssignmentKind.SIMPLE_RIGHT) { |
| if (identifier.inSetterContext()) { |
| fail("Expected ${_topMostNode(identifier).toSource()} to be false"); |
| } |
| } else { |
| if (!identifier.inSetterContext()) { |
| fail("Expected ${_topMostNode(identifier).toSource()} to be true"); |
| } |
| } |
| } |
| } |
| } |
| |
| void test_inSetterContext_forEachLoop() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("a"); |
| Expression iterator = AstTestFactory.listLiteral(); |
| Statement body = AstTestFactory.block(); |
| AstTestFactory.forStatement( |
| AstTestFactory.forEachPartsWithIdentifier(identifier, iterator), body); |
| expect(identifier.inSetterContext(), isTrue); |
| } |
| |
| void test_isQualified_inConstructorName() { |
| ConstructorName constructor = AstTestFactory.constructorName( |
| AstTestFactory.typeName4('MyClass'), "test"); |
| SimpleIdentifier name = constructor.name!; |
| expect(name.isQualified, isTrue); |
| } |
| |
| void test_isQualified_inMethodInvocation_noTarget() { |
| MethodInvocation invocation = AstTestFactory.methodInvocation2( |
| "test", [AstTestFactory.identifier3("arg0")]); |
| SimpleIdentifier identifier = invocation.methodName; |
| expect(identifier.isQualified, isFalse); |
| } |
| |
| void test_isQualified_inMethodInvocation_withTarget() { |
| MethodInvocation invocation = AstTestFactory.methodInvocation( |
| AstTestFactory.identifier3("target"), |
| "test", |
| [AstTestFactory.identifier3("arg0")]); |
| SimpleIdentifier identifier = invocation.methodName; |
| expect(identifier.isQualified, isTrue); |
| } |
| |
| void test_isQualified_inPrefixedIdentifier_name() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("test"); |
| AstTestFactory.identifier4("prefix", identifier); |
| expect(identifier.isQualified, isTrue); |
| } |
| |
| void test_isQualified_inPrefixedIdentifier_prefix() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("test"); |
| AstTestFactory.identifier(identifier, AstTestFactory.identifier3("name")); |
| expect(identifier.isQualified, isFalse); |
| } |
| |
| void test_isQualified_inPropertyAccess_name() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("test"); |
| AstTestFactory.propertyAccess( |
| AstTestFactory.identifier3("target"), identifier); |
| expect(identifier.isQualified, isTrue); |
| } |
| |
| void test_isQualified_inPropertyAccess_target() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("test"); |
| AstTestFactory.propertyAccess( |
| identifier, AstTestFactory.identifier3("name")); |
| expect(identifier.isQualified, isFalse); |
| } |
| |
| void test_isQualified_inReturnStatement() { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("test"); |
| AstTestFactory.returnStatement2(identifier); |
| expect(identifier.isQualified, isFalse); |
| } |
| |
| SimpleIdentifier _createIdentifier( |
| _WrapperKind wrapper, _AssignmentKind assignment) { |
| SimpleIdentifier identifier = AstTestFactory.identifier3("a"); |
| Expression expression = identifier; |
| while (true) { |
| if (wrapper == _WrapperKind.PREFIXED_LEFT) { |
| expression = AstTestFactory.identifier( |
| identifier, AstTestFactory.identifier3("_")); |
| } else if (wrapper == _WrapperKind.PREFIXED_RIGHT) { |
| expression = AstTestFactory.identifier( |
| AstTestFactory.identifier3("_"), identifier); |
| } else if (wrapper == _WrapperKind.PROPERTY_LEFT) { |
| expression = AstTestFactory.propertyAccess2(expression, "_"); |
| } else if (wrapper == _WrapperKind.PROPERTY_RIGHT) { |
| expression = AstTestFactory.propertyAccess( |
| AstTestFactory.identifier3("_"), identifier); |
| } else { |
| throw UnimplementedError(); |
| } |
| break; |
| } |
| while (true) { |
| if (assignment == _AssignmentKind.BINARY) { |
| AstTestFactory.binaryExpression( |
| expression, TokenType.PLUS, AstTestFactory.identifier3("_")); |
| } else if (assignment == _AssignmentKind.COMPOUND_LEFT) { |
| AstTestFactory.assignmentExpression( |
| expression, TokenType.PLUS_EQ, AstTestFactory.identifier3("_")); |
| } else if (assignment == _AssignmentKind.COMPOUND_RIGHT) { |
| AstTestFactory.assignmentExpression( |
| AstTestFactory.identifier3("_"), TokenType.PLUS_EQ, expression); |
| } else if (assignment == _AssignmentKind.POSTFIX_BANG) { |
| AstTestFactory.postfixExpression(expression, TokenType.BANG); |
| } else if (assignment == _AssignmentKind.POSTFIX_INC) { |
| AstTestFactory.postfixExpression(expression, TokenType.PLUS_PLUS); |
| } else if (assignment == _AssignmentKind.PREFIX_DEC) { |
| AstTestFactory.prefixExpression(TokenType.MINUS_MINUS, expression); |
| } else if (assignment == _AssignmentKind.PREFIX_INC) { |
| AstTestFactory.prefixExpression(TokenType.PLUS_PLUS, expression); |
| } else if (assignment == _AssignmentKind.PREFIX_NOT) { |
| AstTestFactory.prefixExpression(TokenType.BANG, expression); |
| } else if (assignment == _AssignmentKind.SIMPLE_LEFT) { |
| AstTestFactory.assignmentExpression( |
| expression, TokenType.EQ, AstTestFactory.identifier3("_")); |
| } else if (assignment == _AssignmentKind.SIMPLE_RIGHT) { |
| AstTestFactory.assignmentExpression( |
| AstTestFactory.identifier3("_"), TokenType.EQ, expression); |
| } else { |
| throw UnimplementedError(); |
| } |
| break; |
| } |
| return identifier; |
| } |
| |
| /// Return the top-most node in the AST structure containing the given |
| /// identifier. |
| /// |
| /// @param identifier the identifier in the AST structure being traversed |
| /// @return the root of the AST structure containing the identifier |
| AstNode _topMostNode(SimpleIdentifier identifier) { |
| AstNode child = identifier; |
| var parent = identifier.parent; |
| while (parent != null) { |
| child = parent; |
| parent = parent.parent; |
| } |
| return child; |
| } |
| } |
| |
| @reflectiveTest |
| class SimpleStringLiteralTest extends ParserTestCase { |
| void test_contentsEnd() { |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'X'"), "X") |
| .contentsEnd, |
| 2); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString('"X"'), "X") |
| .contentsEnd, |
| 2); |
| |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString('"""X"""'), "X") |
| .contentsEnd, |
| 4); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'''X'''"), "X") |
| .contentsEnd, |
| 4); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("''' \nX'''"), "X") |
| .contentsEnd, |
| 7); |
| |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'X'"), "X") |
| .contentsEnd, |
| 3); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString('r"X"'), "X") |
| .contentsEnd, |
| 3); |
| |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString('r"""X"""'), "X") |
| .contentsEnd, |
| 5); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'''X'''"), "X") |
| .contentsEnd, |
| 5); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("r''' \nX'''"), "X") |
| .contentsEnd, |
| 8); |
| } |
| |
| void test_contentsOffset() { |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'X'"), "X") |
| .contentsOffset, |
| 1); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("\"X\""), "X") |
| .contentsOffset, |
| 1); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("\"\"\"X\"\"\""), "X") |
| .contentsOffset, |
| 3); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'''X'''"), "X") |
| .contentsOffset, |
| 3); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'X'"), "X") |
| .contentsOffset, |
| 2); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r\"X\""), "X") |
| .contentsOffset, |
| 2); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("r\"\"\"X\"\"\""), "X") |
| .contentsOffset, |
| 4); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'''X'''"), "X") |
| .contentsOffset, |
| 4); |
| // leading whitespace |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("''' \ \nX''"), "X") |
| .contentsOffset, |
| 6); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString('r""" \ \nX"""'), "X") |
| .contentsOffset, |
| 7); |
| } |
| |
| void test_isMultiline() { |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'X'"), "X") |
| .isMultiline, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'X'"), "X") |
| .isMultiline, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("\"X\""), "X") |
| .isMultiline, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r\"X\""), "X") |
| .isMultiline, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'''X'''"), "X") |
| .isMultiline, |
| isTrue); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'''X'''"), "X") |
| .isMultiline, |
| isTrue); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("\"\"\"X\"\"\""), "X") |
| .isMultiline, |
| isTrue); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("r\"\"\"X\"\"\""), "X") |
| .isMultiline, |
| isTrue); |
| } |
| |
| void test_isRaw() { |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'X'"), "X") |
| .isRaw, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("\"X\""), "X") |
| .isRaw, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("\"\"\"X\"\"\""), "X") |
| .isRaw, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("'''X'''"), "X") |
| .isRaw, |
| isFalse); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'X'"), "X") |
| .isRaw, |
| isTrue); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r\"X\""), "X") |
| .isRaw, |
| isTrue); |
| expect( |
| astFactory |
| .simpleStringLiteral( |
| TokenFactory.tokenFromString("r\"\"\"X\"\"\""), "X") |
| .isRaw, |
| isTrue); |
| expect( |
| astFactory |
| .simpleStringLiteral(TokenFactory.tokenFromString("r'''X'''"), "X") |
| .isRaw, |
| isTrue); |
| } |
| |
| void test_isSingleQuoted() { |
| // ' |
| { |
| var token = TokenFactory.tokenFromString("'X'"); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isTrue); |
| } |
| // ''' |
| { |
| var token = TokenFactory.tokenFromString("'''X'''"); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isTrue); |
| } |
| // " |
| { |
| var token = TokenFactory.tokenFromString('"X"'); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isFalse); |
| } |
| // """ |
| { |
| var token = TokenFactory.tokenFromString('"""X"""'); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isFalse); |
| } |
| } |
| |
| void test_isSingleQuoted_raw() { |
| // r' |
| { |
| var token = TokenFactory.tokenFromString("r'X'"); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isTrue); |
| } |
| // r''' |
| { |
| var token = TokenFactory.tokenFromString("r'''X'''"); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isTrue); |
| } |
| // r" |
| { |
| var token = TokenFactory.tokenFromString('r"X"'); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isFalse); |
| } |
| // r""" |
| { |
| var token = TokenFactory.tokenFromString('r"""X"""'); |
| var node = astFactory.simpleStringLiteral(token, 'X'); |
| expect(node.isSingleQuoted, isFalse); |
| } |
| } |
| |
| void test_simple() { |
| Token token = TokenFactory.tokenFromString("'value'"); |
| SimpleStringLiteral stringLiteral = |
| astFactory.simpleStringLiteral(token, "value"); |
| expect(stringLiteral.literal, same(token)); |
| expect(stringLiteral.beginToken, same(token)); |
| expect(stringLiteral.endToken, same(token)); |
| expect(stringLiteral.value, "value"); |
| } |
| } |
| |
| @reflectiveTest |
| class SpreadElementTest extends ParserTestCase { |
| void test_notNullAwareSpread() { |
| final spread = AstTestFactory.spreadElement( |
| TokenType.PERIOD_PERIOD_PERIOD, AstTestFactory.nullLiteral()); |
| expect(spread.isNullAware, isFalse); |
| } |
| |
| void test_nullAwareSpread() { |
| final spread = AstTestFactory.spreadElement( |
| TokenType.PERIOD_PERIOD_PERIOD_QUESTION, AstTestFactory.nullLiteral()); |
| expect(spread.isNullAware, isTrue); |
| } |
| } |
| |
| @reflectiveTest |
| class StringInterpolationTest extends ParserTestCase { |
| void test_contentsOffsetEnd() { |
| var bb = AstTestFactory.interpolationExpression( |
| AstTestFactory.identifier3('bb')); |
| // 'a${bb}ccc' |
| { |
| var ae = AstTestFactory.interpolationString("'a", "a"); |
| var cToken = StringToken(TokenType.STRING, "ccc'", 10); |
| var cElement = astFactory.interpolationString(cToken, 'ccc'); |
| StringInterpolation node = AstTestFactory.string([ae, bb, cElement]); |
| expect(node.contentsOffset, 1); |
| expect(node.contentsEnd, 10 + 4 - 1); |
| } |
| // '''a${bb}ccc''' |
| { |
| var ae = AstTestFactory.interpolationString("'''a", "a"); |
| var cToken = StringToken(TokenType.STRING, "ccc'''", 10); |
| var cElement = astFactory.interpolationString(cToken, 'ccc'); |
| StringInterpolation node = AstTestFactory.string([ae, bb, cElement]); |
| expect(node.contentsOffset, 3); |
| expect(node.contentsEnd, 10 + 4 - 1); |
| } |
| // """a${bb}ccc""" |
| { |
| var ae = AstTestFactory.interpolationString('"""a', "a"); |
| var cToken = StringToken(TokenType.STRING, 'ccc"""', 10); |
| var cElement = astFactory.interpolationString(cToken, 'ccc'); |
| StringInterpolation node = AstTestFactory.string([ae, bb, cElement]); |
| expect(node.contentsOffset, 3); |
| expect(node.contentsEnd, 10 + 4 - 1); |
| } |
| // r'a${bb}ccc' |
| { |
| var ae = AstTestFactory.interpolationString("r'a", "a"); |
| var cToken = StringToken(TokenType.STRING, "ccc'", 10); |
| var cElement = astFactory.interpolationString(cToken, 'ccc'); |
| StringInterpolation node = AstTestFactory.string([ae, bb, cElement]); |
| expect(node.contentsOffset, 2); |
| expect(node.contentsEnd, 10 + 4 - 1); |
| } |
| // r'''a${bb}ccc''' |
| { |
| var ae = AstTestFactory.interpolationString("r'''a", "a"); |
| var cToken = StringToken(TokenType.STRING, "ccc'''", 10); |
| var cElement = astFactory.interpolationString(cToken, 'ccc'); |
| StringInterpolation node = AstTestFactory.string([ae, bb, cElement]); |
| expect(node.contentsOffset, 4); |
| expect(node.contentsEnd, 10 + 4 - 1); |
| } |
| // r"""a${bb}ccc""" |
| { |
| var ae = AstTestFactory.interpolationString('r"""a', "a"); |
| var cToken = StringToken(TokenType.STRING, 'ccc"""', 10); |
| var cElement = astFactory.interpolationString(cToken, 'ccc'); |
| StringInterpolation node = AstTestFactory.string([ae, bb, cElement]); |
| expect(node.contentsOffset, 4); |
| expect(node.contentsEnd, 10 + 4 - 1); |
| } |
| } |
| |
| void test_isMultiline() { |
| var b = AstTestFactory.interpolationExpression( |
| AstTestFactory.identifier3('bb')); |
| // ' |
| { |
| var a = AstTestFactory.interpolationString("'a", "a"); |
| var c = AstTestFactory.interpolationString("ccc'", "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isMultiline, isFalse); |
| } |
| // ''' |
| { |
| var a = AstTestFactory.interpolationString("'''a", "a"); |
| var c = AstTestFactory.interpolationString("ccc'''", "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isMultiline, isTrue); |
| } |
| // " |
| { |
| var a = AstTestFactory.interpolationString('"a', "a"); |
| var c = AstTestFactory.interpolationString('ccc"', "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isMultiline, isFalse); |
| } |
| // """ |
| { |
| var a = AstTestFactory.interpolationString('"""a', "a"); |
| var c = AstTestFactory.interpolationString('ccc"""', "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isMultiline, isTrue); |
| } |
| } |
| |
| void test_isRaw() { |
| var node = parseStringLiteral('"first \$x last"') as StringInterpolation; |
| expect(node.isRaw, isFalse); |
| } |
| |
| void test_isSingleQuoted() { |
| var b = AstTestFactory.interpolationExpression( |
| AstTestFactory.identifier3('bb')); |
| // " |
| { |
| var a = AstTestFactory.interpolationString('"a', "a"); |
| var c = AstTestFactory.interpolationString('ccc"', "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isSingleQuoted, isFalse); |
| } |
| // """ |
| { |
| var a = AstTestFactory.interpolationString('"""a', "a"); |
| var c = AstTestFactory.interpolationString('ccc"""', "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isSingleQuoted, isFalse); |
| } |
| // ' |
| { |
| var a = AstTestFactory.interpolationString("'a", "a"); |
| var c = AstTestFactory.interpolationString("ccc'", "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isSingleQuoted, isTrue); |
| } |
| // ''' |
| { |
| var a = AstTestFactory.interpolationString("'''a", "a"); |
| var c = AstTestFactory.interpolationString("ccc'''", "ccc"); |
| StringInterpolation node = AstTestFactory.string([a, b, c]); |
| expect(node.isSingleQuoted, isTrue); |
| } |
| } |
| } |
| |
| @reflectiveTest |
| class VariableDeclarationTest extends ParserTestCase { |
| void test_getDocumentationComment_onGrandParent() { |
| VariableDeclaration varDecl = AstTestFactory.variableDeclaration("a"); |
| var decl = |
| AstTestFactory.topLevelVariableDeclaration2(Keyword.VAR, [varDecl]); |
| Comment comment = astFactory.documentationComment([]); |
| expect(varDecl.documentationComment, isNull); |
| decl.documentationComment = comment; |
| expect(varDecl.documentationComment, isNotNull); |
| expect(decl.documentationComment, isNotNull); |
| } |
| |
| void test_getDocumentationComment_onNode() { |
| var decl = AstTestFactory.variableDeclaration("a"); |
| Comment comment = astFactory.documentationComment([]); |
| decl.documentationComment = comment; |
| expect(decl.documentationComment, isNotNull); |
| } |
| } |
| |
| class _AssignmentKind { |
| static const _AssignmentKind BINARY = _AssignmentKind('BINARY', 0); |
| |
| static const _AssignmentKind COMPOUND_LEFT = |
| _AssignmentKind('COMPOUND_LEFT', 1); |
| |
| static const _AssignmentKind COMPOUND_RIGHT = |
| _AssignmentKind('COMPOUND_RIGHT', 2); |
| |
| static const _AssignmentKind POSTFIX_BANG = _AssignmentKind('POSTFIX_INC', 3); |
| |
| static const _AssignmentKind POSTFIX_INC = _AssignmentKind('POSTFIX_INC', 4); |
| |
| static const _AssignmentKind PREFIX_DEC = _AssignmentKind('PREFIX_DEC', 5); |
| |
| static const _AssignmentKind PREFIX_INC = _AssignmentKind('PREFIX_INC', 6); |
| |
| static const _AssignmentKind PREFIX_NOT = _AssignmentKind('PREFIX_NOT', 7); |
| |
| static const _AssignmentKind SIMPLE_LEFT = _AssignmentKind('SIMPLE_LEFT', 8); |
| |
| static const _AssignmentKind SIMPLE_RIGHT = |
| _AssignmentKind('SIMPLE_RIGHT', 9); |
| |
| static const List<_AssignmentKind> values = [ |
| BINARY, |
| COMPOUND_LEFT, |
| COMPOUND_RIGHT, |
| POSTFIX_BANG, |
| POSTFIX_INC, |
| PREFIX_DEC, |
| PREFIX_INC, |
| PREFIX_NOT, |
| SIMPLE_LEFT, |
| SIMPLE_RIGHT, |
| ]; |
| |
| final String name; |
| |
| final int ordinal; |
| |
| const _AssignmentKind(this.name, this.ordinal); |
| |
| @override |
| int get hashCode => ordinal; |
| |
| int compareTo(_AssignmentKind other) => ordinal - other.ordinal; |
| |
| @override |
| String toString() => name; |
| } |
| |
| class _WrapperKind { |
| static const _WrapperKind PREFIXED_LEFT = _WrapperKind('PREFIXED_LEFT', 0); |
| |
| static const _WrapperKind PREFIXED_RIGHT = _WrapperKind('PREFIXED_RIGHT', 1); |
| |
| static const _WrapperKind PROPERTY_LEFT = _WrapperKind('PROPERTY_LEFT', 2); |
| |
| static const _WrapperKind PROPERTY_RIGHT = _WrapperKind('PROPERTY_RIGHT', 3); |
| |
| static const List<_WrapperKind> values = [ |
| PREFIXED_LEFT, |
| PREFIXED_RIGHT, |
| PROPERTY_LEFT, |
| PROPERTY_RIGHT, |
| ]; |
| |
| final String name; |
| |
| final int ordinal; |
| |
| const _WrapperKind(this.name, this.ordinal); |
| |
| @override |
| int get hashCode => ordinal; |
| |
| int compareTo(_WrapperKind other) => ordinal - other.ordinal; |
| |
| @override |
| String toString() => name; |
| } |
