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Unified Diff: test/codegen/lib/mirrors/equality_test.dart

Issue 2265533002: Add mirrors tests (Closed) Base URL: https://github.com/dart-lang/dev_compiler.git@master
Patch Set: Created 4 years, 4 months ago
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Index: test/codegen/lib/mirrors/equality_test.dart
diff --git a/test/codegen/lib/mirrors/equality_test.dart b/test/codegen/lib/mirrors/equality_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..8b627b0edcefe1a593b4073cbea853cb0187a5ac
--- /dev/null
+++ b/test/codegen/lib/mirrors/equality_test.dart
@@ -0,0 +1,160 @@
+// 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.
+
+// This tests uses the multi-test "ok" feature:
+// none: Trimmed behaviour. Passing on the VM.
+// 01: Trimmed version for dart2js.
+// 02: Full version passing in the VM.
+//
+// TODO(rmacnak,ahe): Remove multi-test when VM and dart2js are on par.
+
+library test.class_equality_test;
+
+import 'dart:mirrors';
+
+import 'package:expect/expect.dart';
+
+class A<T> {}
+class B extends A<int> {}
+
+class BadEqualityHash {
+ int count = 0;
+ bool operator ==(other) => true;
+ int get hashCode => count++;
+}
+
+typedef bool Predicate(Object o);
+Predicate somePredicate;
+
+checkEquality(List<Map> equivalenceClasses) {
+ for (var equivalenceClass in equivalenceClasses) {
+ equivalenceClass.forEach((name, member) {
+ equivalenceClass.forEach((otherName, otherMember) {
+ // Reflexivity, symmetry and transitivity.
+ Expect.equals(member,
+ otherMember,
+ "$name == $otherName");
+ Expect.equals(member.hashCode,
+ otherMember.hashCode,
+ "$name.hashCode == $otherName.hashCode");
+ });
+ for (var otherEquivalenceClass in equivalenceClasses) {
+ if (otherEquivalenceClass == equivalenceClass) continue;
+ otherEquivalenceClass.forEach((otherName, otherMember) {
+ Expect.notEquals(member,
+ otherMember,
+ "$name != $otherName"); // Exclusion.
+ // Hash codes may or may not be equal.
+ });
+ }
+ });
+ }
+}
+
+void subroutine() {
+}
+
+main() {
+ LibraryMirror thisLibrary =
+ currentMirrorSystem()
+ .findLibrary(const Symbol('test.class_equality_test'));
+
+ var o1 = new Object();
+ var o2 = new Object();
+
+ var badEqualityHash1 = new BadEqualityHash();
+ var badEqualityHash2 = new BadEqualityHash();
+
+ checkEquality([
+ {'reflect(o1)' : reflect(o1),
+ 'reflect(o1), again' : reflect(o1)},
+
+ {'reflect(o2)' : reflect(o2),
+ 'reflect(o2), again' : reflect(o2)},
+
+ {'reflect(badEqualityHash1)' : reflect(badEqualityHash1),
+ 'reflect(badEqualityHash1), again' : reflect(badEqualityHash1)},
+
+ {'reflect(badEqualityHash2)' : reflect(badEqualityHash2),
+ 'reflect(badEqualityHash2), again' : reflect(badEqualityHash2)},
+
+ {'reflect(true)' : reflect(true),
+ 'reflect(true), again' : reflect(true)},
+
+ {'reflect(false)' : reflect(false),
+ 'reflect(false), again' : reflect(false)},
+
+ {'reflect(null)' : reflect(null),
+ 'reflect(null), again' : reflect(null)},
+
+ {'reflect(3.5+4.5)' : reflect(3.5+4.5),
+ 'reflect(6.5+1.5)' : reflect(6.5+1.5)},
+
+ {'reflect(3+4)' : reflect(3+4),
+ 'reflect(6+1)' : reflect(6+1)},
+
+ {'reflect("foo")' : reflect("foo"),
+ 'reflect("foo"), again' : reflect("foo")},
+
+ {'currentMirrorSystem().voidType' : currentMirrorSystem().voidType,
+ 'thisLibrary.declarations[#subroutine].returnType' :
+ (thisLibrary.declarations[#subroutine] as MethodMirror).returnType},
+
+ {'currentMirrorSystem().dynamicType' : currentMirrorSystem().dynamicType,
+ 'thisLibrary.declarations[#main].returnType' :
+ (thisLibrary.declarations[#main] as MethodMirror).returnType},
+
+ {'reflectClass(A)' : reflectClass(A),
+ 'thisLibrary.declarations[#A]' : thisLibrary.declarations[#A],
+ 'reflect(new A<int>()).type.originalDeclaration' :
+ reflect(new A<int>()).type.originalDeclaration},
+
+ {'reflectClass(B).superclass' : reflectClass(B).superclass,
+ 'reflect(new A<int>()).type' : reflect(new A<int>()).type},
+
+ {'reflectClass(B)' : reflectClass(B),
+ 'thisLibrary.declarations[#B]' : thisLibrary.declarations[#B],
+ 'reflect(new B()).type' : reflect(new B()).type},
+
+ {'reflectClass(BadEqualityHash).declarations[#==]'
+ : reflectClass(BadEqualityHash).declarations[#==],
+ 'reflect(new BadEqualityHash()).type.declarations[#==]'
+ : reflect(new BadEqualityHash()).type.declarations[#==]},
+
+ {'reflectClass(BadEqualityHash).declarations[#==].parameters[0]'
+ : (reflectClass(BadEqualityHash).
+ declarations[#==] as MethodMirror).parameters[0],
+ 'reflect(new BadEqualityHash()).type.declarations[#==].parameters[0]'
+ : (reflect(new BadEqualityHash()).type.
+ declarations[#==] as MethodMirror).parameters[0]},
+
+ {'reflectClass(BadEqualityHash).declarations[#count]'
+ : reflectClass(BadEqualityHash).declarations[#count],
+ 'reflect(new BadEqualityHash()).type.declarations[#count]'
+ : reflect(new BadEqualityHash()).type.declarations[#count]},
+
+ {'reflectType(Predicate)' : reflectType(Predicate),
+ 'thisLibrary.declarations[#somePredicate].type'
+ : (thisLibrary.declarations[#somePredicate] as VariableMirror).type},
+
+ {'reflectType(Predicate).referent' : (reflectType(Predicate) as TypedefMirror).referent,
+ 'thisLibrary.declarations[#somePredicate].type.referent'
+ : ((thisLibrary.declarations[#somePredicate] as VariableMirror).type as TypedefMirror).referent},
+
+ {'reflectClass(A).typeVariables.single'
+ : reflectClass(A).typeVariables.single,
+ 'reflect(new A<int>()).type.originalDeclaration.typeVariables.single'
+ : reflect(new A<int>()).type.originalDeclaration.typeVariables.single},
+
+ {'currentMirrorSystem()' : currentMirrorSystem()},
+
+ {'currentMirrorSystem().isolate' : currentMirrorSystem().isolate},
+
+ {'thisLibrary' : thisLibrary,
+ 'reflectClass(A).owner' : reflectClass(A).owner,
+ 'reflectClass(B).owner' : reflectClass(B).owner,
+ 'reflect(new A()).type.owner' : reflect(new A()).type.owner,
+ 'reflect(new B()).type.owner' : reflect(new B()).type.owner},
+ ]);
+}
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