| // Copyright (c) 2013, 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. |
| |
| // ignore: deprecated_member_use_from_same_package |
| import 'package:analyzer/analyzer.dart'; |
| import 'package:test/test.dart'; |
| |
| void main() { |
| test("parses a valid compilation unit successfully", () { |
| var unit = parseCompilationUnit("void main() => print('Hello, world!');"); |
| expect(unit.toString(), equals("void main() => print('Hello, world!');")); |
| }); |
| |
| group('Supports spread collections', () { |
| var contents = 'var x = [...[]];'; |
| void checkCompilationUnit(CompilationUnit unit) { |
| var declaration = unit.declarations.single as TopLevelVariableDeclaration; |
| var listLiteral = |
| declaration.variables.variables.single.initializer as ListLiteral; |
| var spread = listLiteral.elements.single as SpreadElement; |
| expect(spread.expression, TypeMatcher<ListLiteral>()); |
| } |
| |
| test('with errors suppressed', () { |
| checkCompilationUnit( |
| parseCompilationUnit(contents, suppressErrors: true)); |
| }); |
| test('with errors enabled', () { |
| checkCompilationUnit(parseCompilationUnit(contents)); |
| }); |
| }); |
| |
| group('Supports control flow collections', () { |
| var contents = 'var x = [if (true) 0 else "foo"];'; |
| void checkCompilationUnit(CompilationUnit unit) { |
| var declaration = unit.declarations.single as TopLevelVariableDeclaration; |
| var listLiteral = |
| declaration.variables.variables.single.initializer as ListLiteral; |
| var ifElement = listLiteral.elements.single as IfElement; |
| expect(ifElement.condition, TypeMatcher<BooleanLiteral>()); |
| expect(ifElement.thenElement, TypeMatcher<IntegerLiteral>()); |
| expect(ifElement.elseElement, TypeMatcher<StringLiteral>()); |
| } |
| |
| test('with errors suppressed', () { |
| checkCompilationUnit( |
| parseCompilationUnit(contents, suppressErrors: true)); |
| }); |
| test('with errors enabled', () { |
| checkCompilationUnit(parseCompilationUnit(contents)); |
| }); |
| }); |
| |
| test("throws errors for an invalid compilation unit", () { |
| expect(() { |
| parseCompilationUnit("void main() => print('Hello, world!')", |
| name: 'test.dart'); |
| }, throwsA(predicate((error) { |
| return error is AnalyzerErrorGroup && |
| error.toString().contains("Error in test.dart: Expected to find ';'"); |
| }))); |
| }); |
| |
| test("defaults to '<unknown source>' if no name is provided", () { |
| expect(() { |
| parseCompilationUnit("void main() => print('Hello, world!')"); |
| }, throwsA(predicate((error) { |
| return error is AnalyzerErrorGroup && |
| error |
| .toString() |
| .contains("Error in <unknown source>: Expected to find ';'"); |
| }))); |
| }); |
| |
| test("allows you to specify whether or not to parse function bodies", () { |
| var unit = parseCompilationUnit("void main() => print('Hello, world!');", |
| parseFunctionBodies: false); |
| expect(unit.toString(), equals("void main();")); |
| }); |
| |
| test("allows you to specify whether or not to parse function bodies 2", () { |
| var unit = parseCompilationUnit("void main() { print('Hello, world!'); }", |
| parseFunctionBodies: false); |
| expect(unit.toString(), equals("void main();")); |
| }); |
| } |