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Unified Diff: test/codegen/lib/mirrors/fake_function_without_call_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/fake_function_without_call_test.dart
diff --git a/test/codegen/lib/mirrors/fake_function_without_call_test.dart b/test/codegen/lib/mirrors/fake_function_without_call_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..da6bd59544ea12c0b4472d29b22bd073374886ed
--- /dev/null
+++ b/test/codegen/lib/mirrors/fake_function_without_call_test.dart
@@ -0,0 +1,40 @@
+// 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.
+
+import "dart:mirrors";
+
+import "package:expect/expect.dart";
+
+class MultiArityFunction implements Function {
+ noSuchMethod(Invocation msg) {
+ if (msg.memberName != #call) return super.noSuchMethod(msg);
+ return msg.positionalArguments.join(",");
+ }
+}
+
+main() {
+ var f = new MultiArityFunction();
+
+ Expect.isTrue(f is Function);
+ Expect.equals('a', f('a'));
+ Expect.equals('a,b', f('a', 'b'));
+ Expect.equals('a,b,c', f('a', 'b', 'c'));
+ Expect.equals('a', Function.apply(f, ['a']));
+ Expect.equals('a,b', Function.apply(f, ['a', 'b']));
+ Expect.equals('a,b,c', Function.apply(f, ['a', 'b', 'c']));
+ Expect.throws(() => f.foo('a', 'b', 'c'),
+ (e) => e is NoSuchMethodError);
+
+ ClosureMirror cm = reflect(f);
+ Expect.isTrue(cm is ClosureMirror);
+ Expect.equals('a', cm.apply(['a']).reflectee);
+ Expect.equals('a,b', cm.apply(['a', 'b']).reflectee);
+ Expect.equals('a,b,c', cm.apply(['a', 'b', 'c']).reflectee);
+
+ MethodMirror mm = cm.function;
+ Expect.isNull(mm);
+
+ ClassMirror km = cm.type;
+ Expect.equals(reflectClass(MultiArityFunction), km);
+}
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