blob: 42664e85663363e6bdb9095cdbca9114f2d3c0e9 [file] [log] [blame]
// 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 'dart:async';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer/dart/ast/token.dart';
import 'package:analyzer/dart/element/element.dart';
import 'package:analyzer/dart/element/type.dart';
import 'package:analyzer/error/error.dart';
import 'package:analyzer/error/listener.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:analyzer/file_system/memory_file_system.dart';
import 'package:analyzer/file_system/physical_file_system.dart';
import 'package:analyzer/src/dart/ast/utilities.dart' hide ConstantEvaluator;
import 'package:analyzer/src/dart/element/builder.dart';
import 'package:analyzer/src/dart/element/element.dart';
import 'package:analyzer/src/dart/sdk/sdk.dart' hide SdkLibrariesReader;
import 'package:analyzer/src/error/codes.dart';
import 'package:analyzer/src/file_system/file_system.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:analyzer/src/generated/java_engine_io.dart';
import 'package:analyzer/src/generated/java_io.dart';
import 'package:analyzer/src/generated/resolver.dart';
import 'package:analyzer/src/generated/sdk.dart';
import 'package:analyzer/src/generated/sdk_io.dart';
import 'package:analyzer/src/generated/source.dart';
import 'package:analyzer/src/generated/source_io.dart';
import 'package:analyzer/src/generated/testing/ast_test_factory.dart';
import 'package:analyzer/src/generated/testing/element_factory.dart';
import 'package:analyzer/src/generated/testing/test_type_provider.dart';
import 'package:analyzer/src/generated/testing/token_factory.dart';
import 'package:analyzer/src/generated/utilities_dart.dart';
import 'package:path/path.dart' as path;
import 'package:source_span/source_span.dart';
import 'package:test/test.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';
import 'parser_test.dart';
import 'resolver_test_case.dart';
import 'test_support.dart';
main() {
defineReflectiveSuite(() {
defineReflectiveTests(ContentCacheTest);
// ignore: deprecated_member_use
defineReflectiveTests(CustomUriResolverTest);
defineReflectiveTests(DartUriResolverTest);
defineReflectiveTests(ElementLocatorTest);
defineReflectiveTests(EnumMemberBuilderTest);
defineReflectiveTests(ErrorReporterTest);
defineReflectiveTests(ErrorSeverityTest);
defineReflectiveTests(ExitDetectorTest);
defineReflectiveTests(ExitDetectorTest2);
defineReflectiveTests(FileBasedSourceTest);
defineReflectiveTests(ResolveRelativeUriTest);
// ignore: deprecated_member_use
defineReflectiveTests(SDKLibrariesReaderTest);
defineReflectiveTests(UriKindTest);
});
}
@reflectiveTest
class ContentCacheTest {
test_setContents() async {
Source source = new TestSource();
ContentCache cache = new ContentCache();
expect(cache.getContents(source), isNull);
expect(cache.getModificationStamp(source), isNull);
String contents = "library lib;";
expect(cache.setContents(source, contents), isNull);
expect(cache.getContents(source), contents);
expect(cache.getModificationStamp(source), isNotNull);
expect(cache.setContents(source, contents), contents);
expect(cache.setContents(source, null), contents);
expect(cache.getContents(source), isNull);
expect(cache.getModificationStamp(source), isNull);
expect(cache.setContents(source, null), isNull);
}
}
@deprecated
@reflectiveTest
class CustomUriResolverTest {
void test_creation() {
expect(new CustomUriResolver({}), isNotNull);
}
void test_resolve_unknown_uri() {
UriResolver resolver = new CustomUriResolver({
'custom:library': '/path/to/library.dart',
});
Source result = resolver.resolveAbsolute(Uri.parse("custom:non_library"));
expect(result, isNull);
}
void test_resolve_uri() {
String filePath =
FileUtilities2.createFile("/path/to/library.dart").getAbsolutePath();
UriResolver resolver = new CustomUriResolver({
'custom:library': filePath,
});
Source result = resolver.resolveAbsolute(Uri.parse("custom:library"));
expect(result, isNotNull);
expect(result.fullName, filePath);
}
}
@reflectiveTest
class DartUriResolverTest extends _SimpleDartSdkTest {
DartUriResolver resolver;
@override
setUp() {
super.setUp();
resolver = new DartUriResolver(sdk);
}
void test_creation() {
expect(new DartUriResolver(sdk), isNotNull);
}
void test_isDartUri_null_scheme() {
Uri uri = Uri.parse("foo.dart");
expect('', uri.scheme);
expect(DartUriResolver.isDartUri(uri), isFalse);
}
void test_resolve_dart_library() {
Source source = resolver.resolveAbsolute(Uri.parse('dart:core'));
expect(source, isNotNull);
}
void test_resolve_dart_nonExistingLibrary() {
Source result = resolver.resolveAbsolute(Uri.parse("dart:cor"));
expect(result, isNull);
}
void test_resolve_dart_part() {
Source source = resolver.resolveAbsolute(Uri.parse('dart:core/int.dart'));
expect(source, isNotNull);
}
void test_resolve_nonDart() {
Source result =
resolver.resolveAbsolute(Uri.parse("package:some/file.dart"));
expect(result, isNull);
}
void test_restoreAbsolute_library() {
_SourceMock source = new _SourceMock();
Uri fileUri = resourceProvider.pathContext.toUri(coreCorePath);
source.uri = fileUri;
Uri dartUri = resolver.restoreAbsolute(source);
expect(dartUri.toString(), 'dart:core');
}
void test_restoreAbsolute_part() {
_SourceMock source = new _SourceMock();
Uri fileUri = resourceProvider.pathContext.toUri(coreIntPath);
source.uri = fileUri;
Uri dartUri = resolver.restoreAbsolute(source);
expect(dartUri.toString(), 'dart:core/int.dart');
}
}
@reflectiveTest
class ElementLocatorTest extends ResolverTestCase {
void fail_locate_Identifier_partOfDirective() {
// Can't resolve the library element without the library declaration.
// AstNode id = findNodeIn("foo", "part of foo.bar;");
// Element element = ElementLocator.locate(id);
// assertInstanceOf(LibraryElement.class, element);
fail("Test this case");
}
@override
void reset() {
AnalysisOptionsImpl analysisOptions = new AnalysisOptionsImpl();
analysisOptions.hint = false;
resetWith(options: analysisOptions);
}
test_locate_AssignmentExpression() async {
AstNode id = await _findNodeIn("+=", r'''
int x = 0;
void main() {
x += 1;
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_BinaryExpression() async {
AstNode id = await _findNodeIn("+", "var x = 3 + 4;");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_ClassDeclaration() async {
AstNode id = await _findNodeIn("class", "class A { }");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ClassElement, ClassElement, element);
}
test_locate_CompilationUnit() async {
CompilationUnit cu = await _resolveContents("// only comment");
expect(cu.element, isNotNull);
Element element = ElementLocator.locate(cu);
expect(element, same(cu.element));
}
test_locate_ConstructorDeclaration() async {
AstNode id = await _findNodeIndexedIn("bar", 0, r'''
class A {
A.bar() {}
}''');
ConstructorDeclaration declaration =
id.getAncestor((node) => node is ConstructorDeclaration);
Element element = ElementLocator.locate(declaration);
EngineTestCase.assertInstanceOf(
(obj) => obj is ConstructorElement, ConstructorElement, element);
}
test_locate_ExportDirective() async {
AstNode id = await _findNodeIn("export", "export 'dart:core';");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ExportElement, ExportElement, element);
}
test_locate_FunctionDeclaration() async {
AstNode id = await _findNodeIn("f", "int f() => 3;");
FunctionDeclaration declaration =
id.getAncestor((node) => node is FunctionDeclaration);
Element element = ElementLocator.locate(declaration);
EngineTestCase.assertInstanceOf(
(obj) => obj is FunctionElement, FunctionElement, element);
}
test_locate_Identifier_annotationClass_namedConstructor_forSimpleFormalParameter() async {
AstNode id = await _findNodeIndexedIn("Class", 2, r'''
class Class {
const Class.name();
}
void main(@Class.name() parameter) {
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ClassElement, ClassElement, element);
}
test_locate_Identifier_annotationClass_unnamedConstructor_forSimpleFormalParameter() async {
AstNode id = await _findNodeIndexedIn("Class", 2, r'''
class Class {
const Class();
}
void main(@Class() parameter) {
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ConstructorElement, ConstructorElement, element);
}
test_locate_Identifier_className() async {
AstNode id = await _findNodeIn("A", "class A { }");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ClassElement, ClassElement, element);
}
test_locate_Identifier_constructor_named() async {
AstNode id = await _findNodeIndexedIn("bar", 0, r'''
class A {
A.bar() {}
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ConstructorElement, ConstructorElement, element);
}
test_locate_Identifier_constructor_unnamed() async {
AstNode id = await _findNodeIndexedIn("A", 1, r'''
class A {
A() {}
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ConstructorElement, ConstructorElement, element);
}
test_locate_Identifier_fieldName() async {
AstNode id = await _findNodeIn("x", "class A { var x; }");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is FieldElement, FieldElement, element);
}
test_locate_Identifier_libraryDirective() async {
AstNode id = await _findNodeIn("foo", "library foo.bar;");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is LibraryElement, LibraryElement, element);
}
test_locate_Identifier_propertyAccess() async {
AstNode id = await _findNodeIn("length", r'''
void main() {
int x = 'foo'.length;
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf((obj) => obj is PropertyAccessorElement,
PropertyAccessorElement, element);
}
test_locate_ImportDirective() async {
AstNode id = await _findNodeIn("import", "import 'dart:core';");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is ImportElement, ImportElement, element);
}
test_locate_IndexExpression() async {
AstNode id = await _findNodeIndexedIn("\\[", 1, r'''
void main() {
List x = [1, 2];
var y = x[0];
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_InstanceCreationExpression() async {
AstNode node = await _findNodeIndexedIn("A(", 0, r'''
class A {}
void main() {
new A();
}''');
Element element = ElementLocator.locate(node);
EngineTestCase.assertInstanceOf(
(obj) => obj is ConstructorElement, ConstructorElement, element);
}
test_locate_InstanceCreationExpression_type_prefixedIdentifier() async {
// prepare: new pref.A()
SimpleIdentifier identifier = AstTestFactory.identifier3("A");
PrefixedIdentifier prefixedIdentifier =
AstTestFactory.identifier4("pref", identifier);
InstanceCreationExpression creation =
AstTestFactory.instanceCreationExpression2(
Keyword.NEW, AstTestFactory.typeName3(prefixedIdentifier));
// set ClassElement
ClassElement classElement = ElementFactory.classElement2("A");
identifier.staticElement = classElement;
// set ConstructorElement
ConstructorElement constructorElement =
ElementFactory.constructorElement2(classElement, null);
creation.constructorName.staticElement = constructorElement;
// verify that "A" is resolved to ConstructorElement
Element element = ElementLocator.locate(identifier);
expect(element, same(classElement));
}
test_locate_InstanceCreationExpression_type_simpleIdentifier() async {
// prepare: new A()
SimpleIdentifier identifier = AstTestFactory.identifier3("A");
InstanceCreationExpression creation =
AstTestFactory.instanceCreationExpression2(
Keyword.NEW, AstTestFactory.typeName3(identifier));
// set ClassElement
ClassElement classElement = ElementFactory.classElement2("A");
identifier.staticElement = classElement;
// set ConstructorElement
ConstructorElement constructorElement =
ElementFactory.constructorElement2(classElement, null);
creation.constructorName.staticElement = constructorElement;
// verify that "A" is resolved to ConstructorElement
Element element = ElementLocator.locate(identifier);
expect(element, same(classElement));
}
test_locate_LibraryDirective() async {
AstNode id = await _findNodeIn("library", "library foo;");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is LibraryElement, LibraryElement, element);
}
test_locate_MethodDeclaration() async {
AstNode id = await _findNodeIn("m", r'''
class A {
void m() {}
}''');
MethodDeclaration declaration =
id.getAncestor((node) => node is MethodDeclaration);
Element element = ElementLocator.locate(declaration);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_MethodInvocation_method() async {
AstNode id = await _findNodeIndexedIn("bar", 1, r'''
class A {
int bar() => 42;
}
void main() {
var f = new A().bar();
}''');
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_MethodInvocation_topLevel() async {
String code = r'''
foo(x) {}
void main() {
foo(0);
}''';
CompilationUnit cu = await _resolveContents(code);
int offset = code.indexOf('foo(0)');
AstNode node = new NodeLocator(offset).searchWithin(cu);
MethodInvocation invocation =
node.getAncestor((n) => n is MethodInvocation);
Element element = ElementLocator.locate(invocation);
EngineTestCase.assertInstanceOf(
(obj) => obj is FunctionElement, FunctionElement, element);
}
test_locate_PartOfDirective() async {
Source librarySource = addNamedSource('/lib.dart', '''
library my.lib;
part 'part.dart';
''');
Source unitSource = addNamedSource('/part.dart', '''
part of my.lib;
''');
CompilationUnit unit =
analysisContext.resolveCompilationUnit2(unitSource, librarySource);
PartOfDirective partOf = unit.directives.first;
Element element = ElementLocator.locate(partOf);
EngineTestCase.assertInstanceOf(
(obj) => obj is LibraryElement, LibraryElement, element);
}
test_locate_PostfixExpression() async {
AstNode id = await _findNodeIn("++", "int addOne(int x) => x++;");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_PrefixedIdentifier() async {
AstNode id = await _findNodeIn("int", r'''
import 'dart:core' as core;
core.int value;''');
PrefixedIdentifier identifier =
id.getAncestor((node) => node is PrefixedIdentifier);
Element element = ElementLocator.locate(identifier);
EngineTestCase.assertInstanceOf(
(obj) => obj is ClassElement, ClassElement, element);
}
test_locate_PrefixExpression() async {
AstNode id = await _findNodeIn("++", "int addOne(int x) => ++x;");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is MethodElement, MethodElement, element);
}
test_locate_StringLiteral_exportUri() async {
addNamedSource("/foo.dart", "library foo;");
AstNode id = await _findNodeIn("'foo.dart'", "export 'foo.dart';");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is LibraryElement, LibraryElement, element);
}
test_locate_StringLiteral_expression() async {
AstNode id = await _findNodeIn("abc", "var x = 'abc';");
Element element = ElementLocator.locate(id);
expect(element, isNull);
}
test_locate_StringLiteral_importUri() async {
addNamedSource("/foo.dart", "library foo; class A {}");
AstNode id = await _findNodeIn(
"'foo.dart'", "import 'foo.dart'; class B extends A {}");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf(
(obj) => obj is LibraryElement, LibraryElement, element);
}
test_locate_StringLiteral_partUri() async {
addNamedSource("/foo.dart", "part of app;");
AstNode id =
await _findNodeIn("'foo.dart'", "library app; part 'foo.dart';");
Element element = ElementLocator.locate(id);
EngineTestCase.assertInstanceOf((obj) => obj is CompilationUnitElement,
CompilationUnitElement, element);
}
test_locate_VariableDeclaration() async {
AstNode id = await _findNodeIn("x", "var x = 'abc';");
VariableDeclaration declaration =
id.getAncestor((node) => node is VariableDeclaration);
Element element = ElementLocator.locate(declaration);
EngineTestCase.assertInstanceOf((obj) => obj is TopLevelVariableElement,
TopLevelVariableElement, element);
}
/**
* Find the first AST node matching a pattern in the resolved AST for the given source.
*
* [nodePattern] the (unique) pattern used to identify the node of interest.
* [code] the code to resolve.
* Returns the matched node in the resolved AST for the given source lines.
*/
Future<AstNode> _findNodeIn(String nodePattern, String code) async {
return await _findNodeIndexedIn(nodePattern, 0, code);
}
/**
* Find the AST node matching the given indexed occurrence of a pattern in the resolved AST for
* the given source.
*
* [nodePattern] the pattern used to identify the node of interest.
* [index] the index of the pattern match of interest.
* [code] the code to resolve.
* Returns the matched node in the resolved AST for the given source lines
*/
Future<AstNode> _findNodeIndexedIn(
String nodePattern, int index, String code) async {
CompilationUnit cu = await _resolveContents(code);
int start = _getOffsetOfMatch(code, nodePattern, index);
int end = start + nodePattern.length;
return new NodeLocator(start, end).searchWithin(cu);
}
int _getOffsetOfMatch(String contents, String pattern, int matchIndex) {
if (matchIndex == 0) {
return contents.indexOf(pattern);
}
Iterable<Match> matches = new RegExp(pattern).allMatches(contents);
Match match = matches.toList()[matchIndex];
return match.start;
}
/**
* Parse, resolve and verify the given source lines to produce a fully
* resolved AST.
*
* [code] the code to resolve.
*
* Returns the result of resolving the AST structure representing the content
* of the source.
*
* Throws if source cannot be verified.
*/
Future<CompilationUnit> _resolveContents(String code) async {
Source source = addSource(code);
LibraryElement library = resolve2(source);
await computeAnalysisResult(source);
assertNoErrors(source);
verify([source]);
return analysisContext.resolveCompilationUnit(source, library);
}
}
@reflectiveTest
class EnumMemberBuilderTest extends EngineTestCase {
test_visitEnumDeclaration_multiple() async {
String firstName = "ONE";
String secondName = "TWO";
String thirdName = "THREE";
EnumDeclaration enumDeclaration = AstTestFactory
.enumDeclaration2("E", [firstName, secondName, thirdName]);
ClassElement enumElement = _buildElement(enumDeclaration);
List<FieldElement> fields = enumElement.fields;
expect(fields, hasLength(5));
FieldElement constant = fields[2];
expect(constant, isNotNull);
expect(constant.name, firstName);
expect(constant.isStatic, isTrue);
expect((constant as FieldElementImpl).evaluationResult, isNotNull);
_assertGetter(constant);
constant = fields[3];
expect(constant, isNotNull);
expect(constant.name, secondName);
expect(constant.isStatic, isTrue);
expect((constant as FieldElementImpl).evaluationResult, isNotNull);
_assertGetter(constant);
constant = fields[4];
expect(constant, isNotNull);
expect(constant.name, thirdName);
expect(constant.isStatic, isTrue);
expect((constant as FieldElementImpl).evaluationResult, isNotNull);
_assertGetter(constant);
}
test_visitEnumDeclaration_single() async {
String firstName = "ONE";
EnumDeclaration enumDeclaration =
AstTestFactory.enumDeclaration2("E", [firstName]);
enumDeclaration.constants[0].documentationComment = AstTestFactory
.documentationComment(
[TokenFactory.tokenFromString('/// aaa')..offset = 50], []);
ClassElement enumElement = _buildElement(enumDeclaration);
List<FieldElement> fields = enumElement.fields;
expect(fields, hasLength(3));
FieldElement field = fields[0];
expect(field, isNotNull);
expect(field.name, "index");
expect(field.isStatic, isFalse);
expect(field.isSynthetic, isTrue);
_assertGetter(field);
field = fields[1];
expect(field, isNotNull);
expect(field.name, "values");
expect(field.isStatic, isTrue);
expect(field.isSynthetic, isTrue);
expect((field as FieldElementImpl).evaluationResult, isNotNull);
_assertGetter(field);
FieldElement constant = fields[2];
expect(constant, isNotNull);
expect(constant.name, firstName);
expect(constant.isStatic, isTrue);
expect((constant as FieldElementImpl).evaluationResult, isNotNull);
expect(constant.documentationComment, '/// aaa');
_assertGetter(constant);
}
void _assertGetter(FieldElement field) {
PropertyAccessorElement getter = field.getter;
expect(getter, isNotNull);
expect(getter.variable, same(field));
expect(getter.type, isNotNull);
}
ClassElement _buildElement(EnumDeclaration enumDeclaration) {
ElementHolder holder = new ElementHolder();
ElementBuilder elementBuilder = _makeBuilder(holder);
enumDeclaration.accept(elementBuilder);
EnumMemberBuilder memberBuilder =
new EnumMemberBuilder(new TestTypeProvider());
enumDeclaration.accept(memberBuilder);
List<ClassElement> enums = holder.enums;
expect(enums, hasLength(1));
return enums[0];
}
ElementBuilder _makeBuilder(ElementHolder holder) =>
new ElementBuilder(holder, new CompilationUnitElementImpl('test.dart'));
}
@reflectiveTest
class ErrorReporterTest extends EngineTestCase {
/**
* Create a type with the given name in a compilation unit with the given name.
*
* @param fileName the name of the compilation unit containing the class
* @param typeName the name of the type to be created
* @return the type that was created
*/
InterfaceType createType(String fileName, String typeName) {
CompilationUnitElementImpl unit = ElementFactory.compilationUnit(fileName);
ClassElementImpl element = ElementFactory.classElement2(typeName);
unit.types = <ClassElement>[element];
return element.type;
}
test_creation() async {
GatheringErrorListener listener = new GatheringErrorListener();
TestSource source = new TestSource();
expect(new ErrorReporter(listener, source), isNotNull);
}
test_reportErrorForElement_named() async {
DartType type = createType("/test1.dart", "A");
ClassElement element = type.element;
GatheringErrorListener listener = new GatheringErrorListener();
ErrorReporter reporter = new ErrorReporter(listener, element.source);
reporter.reportErrorForElement(
StaticWarningCode.CONFLICTING_INSTANCE_GETTER_AND_SUPERCLASS_MEMBER,
element,
['A']);
AnalysisError error = listener.errors[0];
expect(error.offset, element.nameOffset);
}
test_reportErrorForElement_unnamed() async {
ImportElementImpl element =
ElementFactory.importFor(ElementFactory.library(null, ''), null);
GatheringErrorListener listener = new GatheringErrorListener();
ErrorReporter reporter = new ErrorReporter(
listener,
new NonExistingSource(
'/test.dart', path.toUri('/test.dart'), UriKind.FILE_URI));
reporter.reportErrorForElement(
StaticWarningCode.CONFLICTING_INSTANCE_GETTER_AND_SUPERCLASS_MEMBER,
element,
['A']);
AnalysisError error = listener.errors[0];
expect(error.offset, element.nameOffset);
}
test_reportErrorForSpan() async {
GatheringErrorListener listener = new GatheringErrorListener();
ErrorReporter reporter = new ErrorReporter(listener, new TestSource());
var src = '''
foo: bar
zap: baz
''';
int offset = src.indexOf('baz');
int length = 'baz'.length;
SourceSpan span = new SourceSpanBase(
new SourceLocation(offset), new SourceLocation(offset + length), 'baz');
reporter.reportErrorForSpan(
AnalysisOptionsWarningCode.UNSUPPORTED_OPTION_WITH_LEGAL_VALUE,
span,
['test', 'zip', 'zap']);
expect(listener.errors, hasLength(1));
expect(listener.errors.first.offset, offset);
expect(listener.errors.first.length, length);
}
test_reportTypeErrorForNode_differentNames() async {
DartType firstType = createType("/test1.dart", "A");
DartType secondType = createType("/test2.dart", "B");
GatheringErrorListener listener = new GatheringErrorListener();
ErrorReporter reporter =
new ErrorReporter(listener, firstType.element.source);
reporter.reportTypeErrorForNode(
StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE,
AstTestFactory.identifier3("x"),
[firstType, secondType]);
AnalysisError error = listener.errors[0];
expect(error.message.indexOf("(") < 0, isTrue);
}
test_reportTypeErrorForNode_sameName() async {
String typeName = "A";
DartType firstType = createType("/test1.dart", typeName);
DartType secondType = createType("/test2.dart", typeName);
GatheringErrorListener listener = new GatheringErrorListener();
ErrorReporter reporter =
new ErrorReporter(listener, firstType.element.source);
reporter.reportTypeErrorForNode(
StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE,
AstTestFactory.identifier3("x"),
[firstType, secondType]);
AnalysisError error = listener.errors[0];
expect(error.message.indexOf("(") >= 0, isTrue);
}
}
@reflectiveTest
class ErrorSeverityTest extends EngineTestCase {
test_max_error_error() async {
expect(ErrorSeverity.ERROR.max(ErrorSeverity.ERROR),
same(ErrorSeverity.ERROR));
}
test_max_error_none() async {
expect(
ErrorSeverity.ERROR.max(ErrorSeverity.NONE), same(ErrorSeverity.ERROR));
}
test_max_error_warning() async {
expect(ErrorSeverity.ERROR.max(ErrorSeverity.WARNING),
same(ErrorSeverity.ERROR));
}
test_max_none_error() async {
expect(
ErrorSeverity.NONE.max(ErrorSeverity.ERROR), same(ErrorSeverity.ERROR));
}
test_max_none_none() async {
expect(
ErrorSeverity.NONE.max(ErrorSeverity.NONE), same(ErrorSeverity.NONE));
}
test_max_none_warning() async {
expect(ErrorSeverity.NONE.max(ErrorSeverity.WARNING),
same(ErrorSeverity.WARNING));
}
test_max_warning_error() async {
expect(ErrorSeverity.WARNING.max(ErrorSeverity.ERROR),
same(ErrorSeverity.ERROR));
}
test_max_warning_none() async {
expect(ErrorSeverity.WARNING.max(ErrorSeverity.NONE),
same(ErrorSeverity.WARNING));
}
test_max_warning_warning() async {
expect(ErrorSeverity.WARNING.max(ErrorSeverity.WARNING),
same(ErrorSeverity.WARNING));
}
}
/**
* Tests for the [ExitDetector] that do not require that the AST be resolved.
*
* See [ExitDetectorTest2] for tests that require the AST to be resolved.
*/
@reflectiveTest
class ExitDetectorTest extends ParserTestCase {
test_asExpression() async {
_assertFalse("a as Object;");
}
test_asExpression_throw() async {
_assertTrue("throw '' as Object;");
}
test_assertStatement() async {
_assertFalse("assert(a);");
}
test_assertStatement_throw() async {
_assertFalse("assert((throw 0));");
}
test_assignmentExpression() async {
_assertFalse("v = 1;");
}
test_assignmentExpression_compound_lazy() async {
enableLazyAssignmentOperators = true;
_assertFalse("v ||= false;");
}
test_assignmentExpression_lhs_throw() async {
_assertTrue("a[throw ''] = 0;");
}
test_assignmentExpression_rhs_throw() async {
_assertTrue("v = throw '';");
}
test_await_false() async {
_assertFalse("await x;");
}
test_await_throw_true() async {
_assertTrue("bool b = await (throw '' || true);");
}
test_binaryExpression_and() async {
_assertFalse("a && b;");
}
test_binaryExpression_and_lhs() async {
_assertTrue("throw '' && b;");
}
test_binaryExpression_and_rhs() async {
_assertFalse("a && (throw '');");
}
test_binaryExpression_and_rhs2() async {
_assertFalse("false && (throw '');");
}
test_binaryExpression_and_rhs3() async {
_assertTrue("true && (throw '');");
}
test_binaryExpression_ifNull() async {
_assertFalse("a ?? b;");
}
test_binaryExpression_ifNull_lhs() async {
_assertTrue("throw '' ?? b;");
}
test_binaryExpression_ifNull_rhs() async {
_assertFalse("a ?? (throw '');");
}
test_binaryExpression_ifNull_rhs2() async {
_assertFalse("null ?? (throw '');");
}
test_binaryExpression_or() async {
_assertFalse("a || b;");
}
test_binaryExpression_or_lhs() async {
_assertTrue("throw '' || b;");
}
test_binaryExpression_or_rhs() async {
_assertFalse("a || (throw '');");
}
test_binaryExpression_or_rhs2() async {
_assertFalse("true || (throw '');");
}
test_binaryExpression_or_rhs3() async {
_assertTrue("false || (throw '');");
}
test_block_empty() async {
_assertFalse("{}");
}
test_block_noReturn() async {
_assertFalse("{ int i = 0; }");
}
test_block_return() async {
_assertTrue("{ return 0; }");
}
test_block_returnNotLast() async {
_assertTrue("{ return 0; throw 'a'; }");
}
test_block_throwNotLast() async {
_assertTrue("{ throw 0; x = null; }");
}
test_cascadeExpression_argument() async {
_assertTrue("a..b(throw '');");
}
test_cascadeExpression_index() async {
_assertTrue("a..[throw ''];");
}
test_cascadeExpression_target() async {
_assertTrue("throw ''..b();");
}
test_conditional_ifElse_bothThrows() async {
_assertTrue("c ? throw '' : throw '';");
}
test_conditional_ifElse_elseThrows() async {
_assertFalse("c ? i : throw '';");
}
test_conditional_ifElse_noThrow() async {
_assertFalse("c ? i : j;");
}
test_conditional_ifElse_thenThrow() async {
_assertFalse("c ? throw '' : j;");
}
test_conditionalAccess() async {
_assertFalse("a?.b;");
}
test_conditionalAccess_lhs() async {
_assertTrue("(throw '')?.b;");
}
test_conditionalAccessAssign() async {
_assertFalse("a?.b = c;");
}
test_conditionalAccessAssign_lhs() async {
_assertTrue("(throw '')?.b = c;");
}
test_conditionalAccessAssign_rhs() async {
_assertFalse("a?.b = throw '';");
}
test_conditionalAccessAssign_rhs2() async {
_assertFalse("null?.b = throw '';");
}
test_conditionalAccessIfNullAssign() async {
_assertFalse("a?.b ??= c;");
}
test_conditionalAccessIfNullAssign_lhs() async {
_assertTrue("(throw '')?.b ??= c;");
}
test_conditionalAccessIfNullAssign_rhs() async {
_assertFalse("a?.b ??= throw '';");
}
test_conditionalAccessIfNullAssign_rhs2() async {
_assertFalse("null?.b ??= throw '';");
}
test_conditionalCall() async {
_assertFalse("a?.b(c);");
}
test_conditionalCall_lhs() async {
_assertTrue("(throw '')?.b(c);");
}
test_conditionalCall_rhs() async {
_assertFalse("a?.b(throw '');");
}
test_conditionalCall_rhs2() async {
_assertFalse("null?.b(throw '');");
}
test_creation() async {
expect(new ExitDetector(), isNotNull);
}
test_doStatement_break_and_throw() async {
_assertFalse("{ do { if (1==1) break; throw 'T'; } while (0==1); }");
}
test_doStatement_continue_and_throw() async {
_assertFalse("{ do { if (1==1) continue; throw 'T'; } while (0==1); }");
}
test_doStatement_continueDoInSwitch_and_throw() async {
_assertFalse('''
{
D: do {
switch (1) {
L: case 0: continue D;
M: case 1: break;
}
throw 'T';
} while (0 == 1);
}''');
}
test_doStatement_continueInSwitch_and_throw() async {
_assertFalse('''
{
do {
switch (1) {
L: case 0: continue;
M: case 1: break;
}
throw 'T';
} while (0 == 1);
}''');
}
test_doStatement_return() async {
_assertTrue("{ do { return null; } while (1 == 2); }");
}
test_doStatement_throwCondition() async {
_assertTrue("{ do {} while (throw ''); }");
}
test_doStatement_true_break() async {
_assertFalse("{ do { break; } while (true); }");
}
test_doStatement_true_continue() async {
_assertTrue("{ do { continue; } while (true); }");
}
test_doStatement_true_continueWithLabel() async {
_assertTrue("{ x: do { continue x; } while (true); }");
}
test_doStatement_true_if_return() async {
_assertTrue("{ do { if (true) {return null;} } while (true); }");
}
test_doStatement_true_noBreak() async {
_assertTrue("{ do {} while (true); }");
}
test_doStatement_true_return() async {
_assertTrue("{ do { return null; } while (true); }");
}
test_emptyStatement() async {
_assertFalse(";");
}
test_forEachStatement() async {
_assertFalse("for (element in list) {}");
}
test_forEachStatement_throw() async {
_assertTrue("for (element in throw '') {}");
}
test_forStatement_condition() async {
_assertTrue("for (; throw 0;) {}");
}
test_forStatement_implicitTrue() async {
_assertTrue("for (;;) {}");
}
test_forStatement_implicitTrue_break() async {
_assertFalse("for (;;) { break; }");
}
test_forStatement_implicitTrue_if_break() async {
_assertFalse("{ for (;;) { if (1==2) { var a = 1; } else { break; } } }");
}
test_forStatement_initialization() async {
_assertTrue("for (i = throw 0;;) {}");
}
test_forStatement_true() async {
_assertTrue("for (; true; ) {}");
}
test_forStatement_true_break() async {
_assertFalse("{ for (; true; ) { break; } }");
}
test_forStatement_true_continue() async {
_assertTrue("{ for (; true; ) { continue; } }");
}
test_forStatement_true_if_return() async {
_assertTrue("{ for (; true; ) { if (true) {return null;} } }");
}
test_forStatement_true_noBreak() async {
_assertTrue("{ for (; true; ) {} }");
}
test_forStatement_updaters() async {
_assertTrue("for (;; i++, throw 0) {}");
}
test_forStatement_variableDeclaration() async {
_assertTrue("for (int i = throw 0;;) {}");
}
test_functionExpression() async {
_assertFalse("(){};");
}
test_functionExpression_bodyThrows() async {
_assertFalse("(int i) => throw '';");
}
test_functionExpressionInvocation() async {
_assertFalse("f(g);");
}
test_functionExpressionInvocation_argumentThrows() async {
_assertTrue("f(throw '');");
}
test_functionExpressionInvocation_targetThrows() async {
_assertTrue("throw ''(g);");
}
test_identifier_prefixedIdentifier() async {
_assertFalse("a.b;");
}
test_identifier_simpleIdentifier() async {
_assertFalse("a;");
}
test_if_false_else_return() async {
_assertTrue("if (false) {} else { return 0; }");
}
test_if_false_noReturn() async {
_assertFalse("if (false) {}");
}
test_if_false_return() async {
_assertFalse("if (false) { return 0; }");
}
test_if_noReturn() async {
_assertFalse("if (c) i++;");
}
test_if_return() async {
_assertFalse("if (c) return 0;");
}
test_if_true_noReturn() async {
_assertFalse("if (true) {}");
}
test_if_true_return() async {
_assertTrue("if (true) { return 0; }");
}
test_ifElse_bothReturn() async {
_assertTrue("if (c) return 0; else return 1;");
}
test_ifElse_elseReturn() async {
_assertFalse("if (c) i++; else return 1;");
}
test_ifElse_noReturn() async {
_assertFalse("if (c) i++; else j++;");
}
test_ifElse_thenReturn() async {
_assertFalse("if (c) return 0; else j++;");
}
test_ifNullAssign() async {
_assertFalse("a ??= b;");
}
test_ifNullAssign_rhs() async {
_assertFalse("a ??= throw '';");
}
test_indexExpression() async {
_assertFalse("a[b];");
}
test_indexExpression_index() async {
_assertTrue("a[throw ''];");
}
test_indexExpression_target() async {
_assertTrue("throw ''[b];");
}
test_instanceCreationExpression() async {
_assertFalse("new A(b);");
}
test_instanceCreationExpression_argumentThrows() async {
_assertTrue("new A(throw '');");
}
test_isExpression() async {
_assertFalse("A is B;");
}
test_isExpression_throws() async {
_assertTrue("throw '' is B;");
}
test_labeledStatement() async {
_assertFalse("label: a;");
}
test_labeledStatement_throws() async {
_assertTrue("label: throw '';");
}
test_literal_boolean() async {
_assertFalse("true;");
}
test_literal_double() async {
_assertFalse("1.1;");
}
test_literal_integer() async {
_assertFalse("1;");
}
test_literal_null() async {
_assertFalse("null;");
}
test_literal_String() async {
_assertFalse("'str';");
}
test_methodInvocation() async {
_assertFalse("a.b(c);");
}
test_methodInvocation_argument() async {
_assertTrue("a.b(throw '');");
}
test_methodInvocation_target() async {
_assertTrue("throw ''.b(c);");
}
test_parenthesizedExpression() async {
_assertFalse("(a);");
}
test_parenthesizedExpression_throw() async {
_assertTrue("(throw '');");
}
test_propertyAccess() async {
_assertFalse("new Object().a;");
}
test_propertyAccess_throws() async {
_assertTrue("(throw '').a;");
}
test_rethrow() async {
_assertTrue("rethrow;");
}
test_return() async {
_assertTrue("return 0;");
}
test_superExpression() async {
_assertFalse("super.a;");
}
test_switch_allReturn() async {
_assertTrue("switch (i) { case 0: return 0; default: return 1; }");
}
test_switch_defaultWithNoStatements() async {
_assertFalse("switch (i) { case 0: return 0; default: }");
}
test_switch_fallThroughToNotReturn() async {
_assertFalse("switch (i) { case 0: case 1: break; default: return 1; }");
}
test_switch_fallThroughToReturn() async {
_assertTrue("switch (i) { case 0: case 1: return 0; default: return 1; }");
}
// The ExitDetector could conceivably follow switch continue labels and
// determine that `case 0` exits, `case 1` continues to an exiting case, and
// `default` exits, so the switch exits.
@failingTest
test_switch_includesContinue() async {
_assertTrue('''
switch (i) {
zero: case 0: return 0;
case 1: continue zero;
default: return 1;
}''');
}
test_switch_noDefault() async {
_assertFalse("switch (i) { case 0: return 0; }");
}
test_switch_nonReturn() async {
_assertFalse("switch (i) { case 0: i++; default: return 1; }");
}
test_thisExpression() async {
_assertFalse("this.a;");
}
test_throwExpression() async {
_assertTrue("throw new Object();");
}
test_tryStatement_noReturn() async {
_assertFalse("try {} catch (e, s) {} finally {}");
}
test_tryStatement_noReturn_noFinally() async {
_assertFalse("try {} catch (e, s) {}");
}
test_tryStatement_return_catch() async {
_assertFalse("try {} catch (e, s) { return 1; } finally {}");
}
test_tryStatement_return_catch_noFinally() async {
_assertFalse("try {} catch (e, s) { return 1; }");
}
test_tryStatement_return_finally() async {
_assertTrue("try {} catch (e, s) {} finally { return 1; }");
}
test_tryStatement_return_try_noCatch() async {
_assertTrue("try { return 1; } finally {}");
}
test_tryStatement_return_try_oneCatchDoesNotExit() async {
_assertFalse("try { return 1; } catch (e, s) {} finally {}");
}
test_tryStatement_return_try_oneCatchDoesNotExit_noFinally() async {
_assertFalse("try { return 1; } catch (e, s) {}");
}
test_tryStatement_return_try_oneCatchExits() async {
_assertTrue("try { return 1; } catch (e, s) { return 1; } finally {}");
}
test_tryStatement_return_try_oneCatchExits_noFinally() async {
_assertTrue("try { return 1; } catch (e, s) { return 1; }");
}
test_tryStatement_return_try_twoCatchesDoExit() async {
_assertTrue('''
try { return 1; }
on int catch (e, s) { return 1; }
on String catch (e, s) { return 1; }
finally {}''');
}
test_tryStatement_return_try_twoCatchesDoExit_noFinally() async {
_assertTrue('''
try { return 1; }
on int catch (e, s) { return 1; }
on String catch (e, s) { return 1; }''');
}
test_tryStatement_return_try_twoCatchesDoNotExit() async {
_assertFalse('''
try { return 1; }
on int catch (e, s) {}
on String catch (e, s) {}
finally {}''');
}
test_tryStatement_return_try_twoCatchesDoNotExit_noFinally() async {
_assertFalse('''
try { return 1; }
on int catch (e, s) {}
on String catch (e, s) {}''');
}
test_tryStatement_return_try_twoCatchesMixed() async {
_assertFalse('''
try { return 1; }
on int catch (e, s) {}
on String catch (e, s) { return 1; }
finally {}''');
}
test_tryStatement_return_try_twoCatchesMixed_noFinally() async {
_assertFalse('''
try { return 1; }
on int catch (e, s) {}
on String catch (e, s) { return 1; }''');
}
test_variableDeclarationStatement_noInitializer() async {
_assertFalse("int i;");
}
test_variableDeclarationStatement_noThrow() async {
_assertFalse("int i = 0;");
}
test_variableDeclarationStatement_throw() async {
_assertTrue("int i = throw new Object();");
}
test_whileStatement_false_nonReturn() async {
_assertFalse("{ while (false) {} }");
}
test_whileStatement_throwCondition() async {
_assertTrue("{ while (throw '') {} }");
}
test_whileStatement_true_break() async {
_assertFalse("{ while (true) { break; } }");
}
test_whileStatement_true_break_and_throw() async {
_assertFalse("{ while (true) { if (1==1) break; throw 'T'; } }");
}
test_whileStatement_true_continue() async {
_assertTrue("{ while (true) { continue; } }");
}
test_whileStatement_true_continueWithLabel() async {
_assertTrue("{ x: while (true) { continue x; } }");
}
test_whileStatement_true_doStatement_scopeRequired() async {
_assertTrue("{ while (true) { x: do { continue x; } while (true); } }");
}
test_whileStatement_true_if_return() async {
_assertTrue("{ while (true) { if (true) {return null;} } }");
}
test_whileStatement_true_noBreak() async {
_assertTrue("{ while (true) {} }");
}
test_whileStatement_true_return() async {
_assertTrue("{ while (true) { return null; } }");
}
test_whileStatement_true_throw() async {
_assertTrue("{ while (true) { throw ''; } }");
}
void _assertFalse(String source) {
_assertHasReturn(false, source);
}
void _assertHasReturn(bool expectedResult, String source) {
Statement statement = parseStatement(source,
enableLazyAssignmentOperators: enableLazyAssignmentOperators);
expect(ExitDetector.exits(statement), expectedResult);
}
void _assertTrue(String source) {
_assertHasReturn(true, source);
}
}
/**
* Tests for the [ExitDetector] that require that the AST be resolved.
*
* See [ExitDetectorTest] for tests that do not require the AST to be resolved.
*/
@reflectiveTest
class ExitDetectorTest2 extends ResolverTestCase {
test_forStatement_implicitTrue_breakWithLabel() async {
Source source = addSource(r'''
void f() {
x: for (;;) {
if (1 < 2) {
break x;
}
return;
}
}
''');
_assertNthStatementDoesNotExit(source, 0);
}
test_switch_withEnum_false_noDefault() async {
Source source = addSource(r'''
enum E { A, B }
String f(E e) {
var x;
switch (e) {
case A:
x = 'A';
case B:
x = 'B';
}
return x;
}
''');
_assertNthStatementDoesNotExit(source, 1);
}
test_switch_withEnum_false_withDefault() async {
Source source = addSource(r'''
enum E { A, B }
String f(E e) {
var x;
switch (e) {
case A:
x = 'A';
default:
x = '?';
}
return x;
}
''');
_assertNthStatementDoesNotExit(source, 1);
}
test_switch_withEnum_true_noDefault() async {
Source source = addSource(r'''
enum E { A, B }
String f(E e) {
switch (e) {
case A:
return 'A';
case B:
return 'B';
}
}
''');
_assertNthStatementDoesNotExit(source, 0);
}
test_switch_withEnum_true_withExitingDefault() async {
Source source = addSource(r'''
enum E { A, B }
String f(E e) {
switch (e) {
case A:
return 'A';
default:
return '?';
}
}
''');
_assertNthStatementExits(source, 0);
}
test_switch_withEnum_true_withNonExitingDefault() async {
Source source = addSource(r'''
enum E { A, B }
String f(E e) {
var x;
switch (e) {
case A:
return 'A';
default:
x = '?';
}
}
''');
_assertNthStatementDoesNotExit(source, 1);
}
test_whileStatement_breakWithLabel() async {
Source source = addSource(r'''
void f() {
x: while (true) {
if (1 < 2) {
break x;
}
return;
}
}
''');
_assertNthStatementDoesNotExit(source, 0);
}
test_whileStatement_breakWithLabel_afterExiting() async {
Source source = addSource(r'''
void f() {
x: while (true) {
return;
if (1 < 2) {
break x;
}
}
}
''');
_assertNthStatementExits(source, 0);
}
test_whileStatement_switchWithBreakWithLabel() async {
Source source = addSource(r'''
void f() {
x: while (true) {
switch (true) {
case false: break;
case true: break x;
}
}
}
''');
_assertNthStatementDoesNotExit(source, 0);
}
test_yieldStatement_plain() async {
Source source = addSource(r'''
void f() sync* {
yield 1;
}
''');
_assertNthStatementDoesNotExit(source, 0);
}
test_yieldStatement_star_plain() async {
Source source = addSource(r'''
void f() sync* {
yield* 1;
}
''');
_assertNthStatementDoesNotExit(source, 0);
}
test_yieldStatement_star_throw() async {
Source source = addSource(r'''
void f() sync* {
yield* throw '';
}
''');
_assertNthStatementExits(source, 0);
}
test_yieldStatement_throw() async {
Source source = addSource(r'''
void f() sync* {
yield throw '';
}
''');
_assertNthStatementExits(source, 0);
}
void _assertHasReturn(bool expectedResult, Source source, int n) {
LibraryElement element = resolve2(source);
CompilationUnit unit = resolveCompilationUnit(source, element);
FunctionDeclaration function = unit.declarations.last;
BlockFunctionBody body = function.functionExpression.body;
Statement statement = body.block.statements[n];
expect(ExitDetector.exits(statement), expectedResult);
}
// Assert that the [n]th statement in the last function declaration of
// [source] exits.
void _assertNthStatementDoesNotExit(Source source, int n) {
_assertHasReturn(false, source, n);
}
// Assert that the [n]th statement in the last function declaration of
// [source] does not exit.
void _assertNthStatementExits(Source source, int n) {
_assertHasReturn(true, source, n);
}
}
@reflectiveTest
class FileBasedSourceTest {
test_equals_false_differentFiles() async {
JavaFile file1 = FileUtilities2.createFile("/does/not/exist1.dart");
JavaFile file2 = FileUtilities2.createFile("/does/not/exist2.dart");
FileBasedSource source1 = new FileBasedSource(file1);
FileBasedSource source2 = new FileBasedSource(file2);
expect(source1 == source2, isFalse);
}
test_equals_false_null() async {
JavaFile file = FileUtilities2.createFile("/does/not/exist1.dart");
FileBasedSource source1 = new FileBasedSource(file);
expect(source1 == null, isFalse);
}
test_equals_true() async {
JavaFile file1 = FileUtilities2.createFile("/does/not/exist.dart");
JavaFile file2 = FileUtilities2.createFile("/does/not/exist.dart");
FileBasedSource source1 = new FileBasedSource(file1);
FileBasedSource source2 = new FileBasedSource(file2);
expect(source1 == source2, isTrue);
}
test_fileReadMode() async {
expect(FileBasedSource.fileReadMode('a'), 'a');
expect(FileBasedSource.fileReadMode('a\n'), 'a\n');
expect(FileBasedSource.fileReadMode('ab'), 'ab');
expect(FileBasedSource.fileReadMode('abc'), 'abc');
expect(FileBasedSource.fileReadMode('a\nb'), 'a\nb');
expect(FileBasedSource.fileReadMode('a\rb'), 'a\rb');
expect(FileBasedSource.fileReadMode('a\r\nb'), 'a\r\nb');
}
test_fileReadMode_changed() async {
FileBasedSource.fileReadMode = (String s) => s + 'xyz';
expect(FileBasedSource.fileReadMode('a'), 'axyz');
expect(FileBasedSource.fileReadMode('a\n'), 'a\nxyz');
expect(FileBasedSource.fileReadMode('ab'), 'abxyz');
expect(FileBasedSource.fileReadMode('abc'), 'abcxyz');
FileBasedSource.fileReadMode = (String s) => s;
}
test_fileReadMode_normalize_eol_always() async {
FileBasedSource.fileReadMode =
PhysicalResourceProvider.NORMALIZE_EOL_ALWAYS;
expect(FileBasedSource.fileReadMode('a'), 'a');
// '\n' -> '\n' as first, last and only character
expect(FileBasedSource.fileReadMode('\n'), '\n');
expect(FileBasedSource.fileReadMode('a\n'), 'a\n');
expect(FileBasedSource.fileReadMode('\na'), '\na');
// '\r\n' -> '\n' as first, last and only character
expect(FileBasedSource.fileReadMode('\r\n'), '\n');
expect(FileBasedSource.fileReadMode('a\r\n'), 'a\n');
expect(FileBasedSource.fileReadMode('\r\na'), '\na');
// '\r' -> '\n' as first, last and only character
expect(FileBasedSource.fileReadMode('\r'), '\n');
expect(FileBasedSource.fileReadMode('a\r'), 'a\n');
expect(FileBasedSource.fileReadMode('\ra'), '\na');
FileBasedSource.fileReadMode = (String s) => s;
}
test_getEncoding() async {
SourceFactory factory = new SourceFactory(
[new ResourceUriResolver(PhysicalResourceProvider.INSTANCE)]);
String fullPath = "/does/not/exist.dart";
JavaFile file = FileUtilities2.createFile(fullPath);
FileBasedSource source = new FileBasedSource(file);
expect(factory.fromEncoding(source.encoding), source);
}
test_getFullName() async {
String fullPath = "/does/not/exist.dart";
JavaFile file = FileUtilities2.createFile(fullPath);
FileBasedSource source = new FileBasedSource(file);
expect(source.fullName, file.getAbsolutePath());
}
test_getShortName() async {
JavaFile file = FileUtilities2.createFile("/does/not/exist.dart");
FileBasedSource source = new FileBasedSource(file);
expect(source.shortName, "exist.dart");
}
test_hashCode() async {
JavaFile file1 = FileUtilities2.createFile("/does/not/exist.dart");
JavaFile file2 = FileUtilities2.createFile("/does/not/exist.dart");
FileBasedSource source1 = new FileBasedSource(file1);
FileBasedSource source2 = new FileBasedSource(file2);
expect(source2.hashCode, source1.hashCode);
}
test_isInSystemLibrary_contagious() async {
DartSdk sdk = (new _SimpleDartSdkTest()..setUp()).sdk;
UriResolver resolver = new DartUriResolver(sdk);
SourceFactory factory = new SourceFactory([resolver]);
// resolve dart:core
Source result = resolver.resolveAbsolute(Uri.parse("dart:core"));
expect(result, isNotNull);
expect(result.isInSystemLibrary, isTrue);
// system libraries reference only other system libraries
Source partSource = factory.resolveUri(result, "num.dart");
expect(partSource, isNotNull);
expect(partSource.isInSystemLibrary, isTrue);
}
test_isInSystemLibrary_false() async {
JavaFile file = FileUtilities2.createFile("/does/not/exist.dart");
FileBasedSource source = new FileBasedSource(file);
expect(source, isNotNull);
expect(source.fullName, file.getAbsolutePath());
expect(source.isInSystemLibrary, isFalse);
}
test_issue14500() async {
// see https://code.google.com/p/dart/issues/detail?id=14500
FileBasedSource source = new FileBasedSource(
FileUtilities2.createFile("/some/packages/foo:bar.dart"));
expect(source, isNotNull);
expect(source.exists(), isFalse);
}
test_resolveRelative_file_fileName() async {
if (OSUtilities.isWindows()) {
// On Windows, the URI that is produced includes a drive letter,
// which I believe is not consistent across all machines that might run
// this test.
return;
}
JavaFile file = FileUtilities2.createFile("/a/b/test.dart");
FileBasedSource source = new FileBasedSource(file);
expect(source, isNotNull);
Uri relative = resolveRelativeUri(source.uri, Uri.parse("lib.dart"));
expect(relative, isNotNull);
expect(relative.toString(), "file:///a/b/lib.dart");
}
test_resolveRelative_file_filePath() async {
if (OSUtilities.isWindows()) {
// On Windows, the URI that is produced includes a drive letter,
// which I believe is not consistent across all machines that might run
// this test.
return;
}
JavaFile file = FileUtilities2.createFile("/a/b/test.dart");
FileBasedSource source = new FileBasedSource(file);
expect(source, isNotNull);
Uri relative = resolveRelativeUri(source.uri, Uri.parse("c/lib.dart"));
expect(relative, isNotNull);
expect(relative.toString(), "file:///a/b/c/lib.dart");
}
test_resolveRelative_file_filePathWithParent() async {
if (OSUtilities.isWindows()) {
// On Windows, the URI that is produced includes a drive letter, which I
// believe is not consistent across all machines that might run this test.
return;
}
JavaFile file = FileUtilities2.createFile("/a/b/test.dart");
FileBasedSource source = new FileBasedSource(file);
expect(source, isNotNull);
Uri relative = resolveRelativeUri(source.uri, Uri.parse("../c/lib.dart"));
expect(relative, isNotNull);
expect(relative.toString(), "file:///a/c/lib.dart");
}
test_system() async {
JavaFile file = FileUtilities2.createFile("/does/not/exist.dart");
FileBasedSource source = new FileBasedSource(file, Uri.parse("dart:core"));
expect(source, isNotNull);
expect(source.fullName, file.getAbsolutePath());
expect(source.isInSystemLibrary, isTrue);
}
}
@reflectiveTest
class ResolveRelativeUriTest {
test_resolveRelative_dart_dartUri() async {
_assertResolve('dart:foo', 'dart:bar', 'dart:bar');
}
test_resolveRelative_dart_fileName() async {
_assertResolve('dart:test', 'lib.dart', 'dart:test/lib.dart');
}
test_resolveRelative_dart_filePath() async {
_assertResolve('dart:test', 'c/lib.dart', 'dart:test/c/lib.dart');
}
test_resolveRelative_dart_filePathWithParent() async {
_assertResolve(
'dart:test/b/test.dart', '../c/lib.dart', 'dart:test/c/lib.dart');
}
test_resolveRelative_package_dartUri() async {
_assertResolve('package:foo/bar.dart', 'dart:test', 'dart:test');
}
test_resolveRelative_package_emptyPath() async {
_assertResolve('package:foo/bar.dart', '', 'package:foo/bar.dart');
}
test_resolveRelative_package_fileName() async {
_assertResolve('package:b/test.dart', 'lib.dart', 'package:b/lib.dart');
}
test_resolveRelative_package_fileNameWithoutPackageName() async {
_assertResolve('package:test.dart', 'lib.dart', 'package:lib.dart');
}
test_resolveRelative_package_filePath() async {
_assertResolve('package:b/test.dart', 'c/lib.dart', 'package:b/c/lib.dart');
}
test_resolveRelative_package_filePathWithParent() async {
_assertResolve(
'package:a/b/test.dart', '../c/lib.dart', 'package:a/c/lib.dart');
}
void _assertResolve(String baseStr, String containedStr, String expectedStr) {
Uri base = Uri.parse(baseStr);
Uri contained = Uri.parse(containedStr);
Uri result = resolveRelativeUri(base, contained);
expect(result, isNotNull);
expect(result.toString(), expectedStr);
}
}
@deprecated
@reflectiveTest
class SDKLibrariesReaderTest extends EngineTestCase {
test_readFrom_dart2js() async {
LibraryMap libraryMap = new SdkLibrariesReader(true)
.readFromFile(FileUtilities2.createFile("/libs.dart"), r'''
final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
'first' : const LibraryInfo(
'first/first.dart',
categories: 'Client',
documented: true,
platforms: VM_PLATFORM,
dart2jsPath: 'first/first_dart2js.dart'),
};''');
expect(libraryMap, isNotNull);
expect(libraryMap.size(), 1);
SdkLibrary first = libraryMap.getLibrary("dart:first");
expect(first, isNotNull);
expect(first.category, "Client");
expect(first.path, "first/first_dart2js.dart");
expect(first.shortName, "dart:first");
expect(first.isDart2JsLibrary, false);
expect(first.isDocumented, true);
expect(first.isImplementation, false);
expect(first.isVmLibrary, true);
}
test_readFrom_empty() async {
LibraryMap libraryMap = new SdkLibrariesReader(false)
.readFromFile(FileUtilities2.createFile("/libs.dart"), "");
expect(libraryMap, isNotNull);
expect(libraryMap.size(), 0);
}
test_readFrom_normal() async {
LibraryMap libraryMap = new SdkLibrariesReader(false)
.readFromFile(FileUtilities2.createFile("/libs.dart"), r'''
final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
'first' : const LibraryInfo(
'first/first.dart',
categories: 'Client',
documented: true,
platforms: VM_PLATFORM),
'second' : const LibraryInfo(
'second/second.dart',
categories: 'Server',
documented: false,
implementation: true,
platforms: 0),
};''');
expect(libraryMap, isNotNull);
expect(libraryMap.size(), 2);
SdkLibrary first = libraryMap.getLibrary("dart:first");
expect(first, isNotNull);
expect(first.category, "Client");
expect(first.path, "first/first.dart");
expect(first.shortName, "dart:first");
expect(first.isDart2JsLibrary, false);
expect(first.isDocumented, true);
expect(first.isImplementation, false);
expect(first.isVmLibrary, true);
SdkLibrary second = libraryMap.getLibrary("dart:second");
expect(second, isNotNull);
expect(second.category, "Server");
expect(second.path, "second/second.dart");
expect(second.shortName, "dart:second");
expect(second.isDart2JsLibrary, false);
expect(second.isDocumented, false);
expect(second.isImplementation, true);
expect(second.isVmLibrary, false);
}
}
@reflectiveTest
class UriKindTest {
test_fromEncoding() async {
expect(UriKind.fromEncoding(0x64), same(UriKind.DART_URI));
expect(UriKind.fromEncoding(0x66), same(UriKind.FILE_URI));
expect(UriKind.fromEncoding(0x70), same(UriKind.PACKAGE_URI));
expect(UriKind.fromEncoding(0x58), same(null));
}
test_getEncoding() async {
expect(UriKind.DART_URI.encoding, 0x64);
expect(UriKind.FILE_URI.encoding, 0x66);
expect(UriKind.PACKAGE_URI.encoding, 0x70);
}
}
class _SimpleDartSdkTest {
MemoryResourceProvider resourceProvider = new MemoryResourceProvider();
String coreCorePath;
String coreIntPath;
DartSdk sdk;
void setUp() {
Folder sdkFolder =
resourceProvider.newFolder(resourceProvider.convertPath('/sdk'));
resourceProvider.newFile(
resourceProvider.convertPath(
'/sdk/lib/_internal/sdk_library_metadata/lib/libraries.dart'),
'''
const Map<String, LibraryInfo> libraries = const {
"core": const LibraryInfo("core/core.dart")
};
''');
coreCorePath = resourceProvider.convertPath('/sdk/lib/core/core.dart');
resourceProvider.newFile(coreCorePath, '''
library dart.core;
part 'int.dart';
''');
coreIntPath = resourceProvider.convertPath('/sdk/lib/core/int.dart');
resourceProvider.newFile(coreIntPath, '''
part of dart.core;
''');
sdk = new FolderBasedDartSdk(resourceProvider, sdkFolder);
}
}
class _SourceMock implements Source {
@override
Uri uri;
@override
noSuchMethod(Invocation invocation) {
throw new StateError('Unexpected invocation of ${invocation.memberName}');
}
}