Files
sdk/tests/lib/mirrors/fake_function_with_call_test.dart
T
Ryan Macnak 00b2e580a3 [test] Fork mirrors tests.
Bug: https://github.com/dart-lang/sdk/issues/40045
Change-Id: I597259b38684de87016f1e136723d24f4ac05420
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132440
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2020-01-22 18:46:23 +00:00

49 lines
1.7 KiB
Dart

// 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";
membersOf(ClassMirror cm) {
var result = new Map();
cm.declarations.forEach((k, v) {
if (v is MethodMirror && !v.isConstructor) result[k] = v;
if (v is VariableMirror) result[k] = v;
});
return result;
}
class WannabeFunction {
int call(int a, int b) => a + b;
method(x) => x * x;
}
main() {
Expect.isTrue(new WannabeFunction() is Function);
ClosureMirror cm = reflect(new WannabeFunction()) as ClosureMirror;
Expect.equals(7, cm.invoke(#call, [3, 4]).reflectee);
Expect.throwsNoSuchMethodError(() => cm.invoke(#call, [3]), "Wrong arity");
Expect.equals(49, cm.invoke(#method, [7]).reflectee);
Expect.throwsNoSuchMethodError(() => cm.invoke(#method, [3, 4]),
"Wrong arity");
Expect.equals(7, cm.apply([3, 4]).reflectee);
Expect.throwsNoSuchMethodError(() => cm.apply([3]), "Wrong arity");
MethodMirror mm = cm.function;
Expect.equals(#call, mm.simpleName);
Expect.equals(reflectClass(WannabeFunction), mm.owner);
Expect.isTrue(mm.isRegularMethod);
Expect.equals(#int, mm.returnType.simpleName);
Expect.equals(#int, mm.parameters[0].type.simpleName);
Expect.equals(#int, mm.parameters[1].type.simpleName);
ClassMirror km = cm.type;
Expect.equals(reflectClass(WannabeFunction), km);
Expect.equals(#WannabeFunction, km.simpleName);
Expect.equals(mm.hashCode, km.declarations[#call].hashCode);
Expect.setEquals([#call, #method], membersOf(km).keys);
}