public void test_argumentResolution_setter_static_propertyAccess() throws Exception {
Source source =
addSource(
createSource( //
"main() {",
" A a = new A();",
" a.b.sss = 0;",
"}",
"class A {",
" B b = new B();",
"}",
"class B {",
" set sss(x) {}",
"}"));
LibraryElement library = resolve(source);
CompilationUnitElement unit = library.getDefiningCompilationUnit();
// find "a.b.sss = 0"
AssignmentExpression assignment;
{
FunctionElement mainElement = unit.getFunctions()[0];
FunctionBody mainBody = mainElement.getNode().getFunctionExpression().getBody();
Statement statement = ((BlockFunctionBody) mainBody).getBlock().getStatements().get(1);
ExpressionStatement expressionStatement = (ExpressionStatement) statement;
assignment = (AssignmentExpression) expressionStatement.getExpression();
}
// get parameter
Expression rhs = assignment.getRightHandSide();
ParameterElement parameter = rhs.getStaticParameterElement();
assertNotNull(parameter);
assertEquals("x", parameter.getDisplayName());
// validate
ClassElement classB = unit.getTypes()[1];
PropertyAccessorElement setter = classB.getAccessors()[0];
assertSame(parameter, setter.getParameters()[0]);
}
public void test_metadata_function() throws Exception {
Source source =
addSource(
createSource( //
"const A = null;", "@A f() {}"));
LibraryElement library = resolve(source);
assertNotNull(library);
CompilationUnitElement unit = library.getDefiningCompilationUnit();
assertNotNull(unit);
FunctionElement[] functions = unit.getFunctions();
assertLength(1, functions);
ElementAnnotation[] annotations = functions[0].getMetadata();
assertLength(1, annotations);
assertNoErrors(source);
verify(source);
}
public void test_metadata_simpleParameter() throws Exception {
Source source =
addSource(
createSource( //
"const A = null;", "f(@A p1, @A int p2) {}"));
LibraryElement library = resolve(source);
assertNotNull(library);
CompilationUnitElement unit = library.getDefiningCompilationUnit();
assertNotNull(unit);
FunctionElement[] functions = unit.getFunctions();
assertLength(1, functions);
ParameterElement[] parameters = functions[0].getParameters();
assertLength(2, parameters);
ElementAnnotation[] annotations1 = parameters[0].getMetadata();
assertLength(1, annotations1);
ElementAnnotation[] annotations2 = parameters[1].getMetadata();
assertLength(1, annotations2);
assertNoErrors(source);
verify(source);
}
public void test_empty() throws Exception {
Source librarySource = addSource("/lib.dart", "library lib;");
LibraryElement element = buildLibrary(librarySource);
assertNotNull(element);
assertEquals("lib", element.getName());
assertNull(element.getEntryPoint());
assertLength(0, element.getImportedLibraries());
assertLength(0, element.getImports());
assertNull(element.getLibrary());
assertLength(0, element.getPrefixes());
assertLength(0, element.getParts());
CompilationUnitElement unit = element.getDefiningCompilationUnit();
assertNotNull(unit);
assertEquals("lib.dart", unit.getName());
assertEquals(element, unit.getLibrary());
assertLength(0, unit.getAccessors());
assertLength(0, unit.getFields());
assertLength(0, unit.getFunctions());
assertLength(0, unit.getTypeAliases());
assertLength(0, unit.getTypes());
}