Regis Crelier
7f57ebcfa1
They were used as the class of closure instances and as the type class of function types. All closure instances now have class _Closure and function types are represented by a new class FunctionType extending AbstractType. Fix issue 24567 and add regression test. R=asiva@google.com, rmacnak@google.com Review URL: https://codereview.chromium.org/1584223006 .
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/assert.h"
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#include "vm/cha.h"
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#include "vm/class_finalizer.h"
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#include "vm/globals.h"
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#include "vm/symbols.h"
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#include "vm/unit_test.h"
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namespace dart {
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static bool ContainsCid(const GrowableArray<Class*>& classes, intptr_t cid) {
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for (intptr_t i = 0; i < classes.length(); ++i) {
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if (classes[i]->id() == cid) return true;
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}
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return false;
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}
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TEST_CASE(ClassHierarchyAnalysis) {
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const char* kScriptChars =
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"class A {"
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" foo() { }"
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" bar() { }"
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"}\n"
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"class B extends A {"
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"}\n"
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"class C extends B {"
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" foo() { }"
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"}\n"
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"class D extends A {"
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" foo() { }"
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" bar() { }"
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"}\n";
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TestCase::LoadTestScript(kScriptChars, NULL);
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EXPECT(ClassFinalizer::ProcessPendingClasses());
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const String& name = String::Handle(String::New(TestCase::url()));
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const Library& lib = Library::Handle(Library::LookupLibrary(name));
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EXPECT(!lib.IsNull());
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const Class& class_a = Class::Handle(
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lib.LookupClass(String::Handle(Symbols::New("A"))));
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EXPECT(!class_a.IsNull());
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const Class& class_b = Class::Handle(
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lib.LookupClass(String::Handle(Symbols::New("B"))));
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EXPECT(!class_b.IsNull());
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const Class& class_c = Class::Handle(
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lib.LookupClass(String::Handle(Symbols::New("C"))));
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EXPECT(!class_c.IsNull());
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const Class& class_d = Class::Handle(
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lib.LookupClass(String::Handle(Symbols::New("D"))));
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EXPECT(!class_d.IsNull());
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const String& function_foo_name = String::Handle(String::New("foo"));
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const String& function_bar_name = String::Handle(String::New("bar"));
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const Function& class_a_foo =
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Function::Handle(class_a.LookupDynamicFunction(function_foo_name));
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EXPECT(!class_a_foo.IsNull());
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const Function& class_a_bar =
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Function::Handle(class_a.LookupDynamicFunction(function_bar_name));
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EXPECT(!class_a_bar.IsNull());
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const Function& class_c_foo =
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Function::Handle(class_c.LookupDynamicFunction(function_foo_name));
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EXPECT(!class_c_foo.IsNull());
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const Function& class_d_foo =
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Function::Handle(class_d.LookupDynamicFunction(function_foo_name));
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EXPECT(!class_d_foo.IsNull());
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const Function& class_d_bar =
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Function::Handle(class_d.LookupDynamicFunction(function_bar_name));
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EXPECT(!class_d_bar.IsNull());
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CHA cha(Thread::Current());
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EXPECT(cha.HasSubclasses(kInstanceCid));
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EXPECT(!cha.HasSubclasses(kSmiCid));
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EXPECT(!cha.HasSubclasses(kNullCid));
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EXPECT(CHA::HasSubclasses(class_a));
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EXPECT(CHA::HasSubclasses(class_b));
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EXPECT(!CHA::HasSubclasses(class_c));
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cha.AddToLeafClasses(class_c);
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EXPECT(!CHA::HasSubclasses(class_d));
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cha.AddToLeafClasses(class_d);
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EXPECT(!ContainsCid(cha.leaf_classes(), class_a.id()));
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EXPECT(!ContainsCid(cha.leaf_classes(), class_b.id()));
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EXPECT(ContainsCid(cha.leaf_classes(), class_c.id()));
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EXPECT(ContainsCid(cha.leaf_classes(), class_d.id()));
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const Class& closure_class =
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Class::Handle(Isolate::Current()->object_store()->closure_class());
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EXPECT(!cha.HasSubclasses(closure_class.id()));
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}
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} // namespace dart
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