| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --expose-debug-as debug --harmony-async-await --allow-natives-syntax |
| // Test the mirror object for functions. |
| |
| var AsyncFunction = (async function() {}).constructor; |
| |
| function MirrorRefCache(json_refs) { |
| var tmp = eval('(' + json_refs + ')'); |
| this.refs_ = []; |
| for (var i = 0; i < tmp.length; i++) { |
| this.refs_[tmp[i].handle] = tmp[i]; |
| } |
| } |
| |
| MirrorRefCache.prototype.lookup = function(handle) { |
| return this.refs_[handle]; |
| } |
| |
| function testFunctionMirror(f) { |
| // Create mirror and JSON representation. |
| var mirror = debug.MakeMirror(f); |
| var serializer = debug.MakeMirrorSerializer(); |
| var json = JSON.stringify(serializer.serializeValue(mirror)); |
| var refs = new MirrorRefCache( |
| JSON.stringify(serializer.serializeReferencedObjects())); |
| |
| // Check the mirror hierachy. |
| assertTrue(mirror instanceof debug.Mirror); |
| assertTrue(mirror instanceof debug.ValueMirror); |
| assertTrue(mirror instanceof debug.ObjectMirror); |
| assertTrue(mirror instanceof debug.FunctionMirror); |
| |
| // Check the mirror properties. |
| assertTrue(mirror.isFunction()); |
| assertEquals('function', mirror.type()); |
| assertFalse(mirror.isPrimitive()); |
| assertEquals("Function", mirror.className()); |
| assertEquals(f.name, mirror.name()); |
| assertTrue(mirror.resolved()); |
| assertEquals(f.toString(), mirror.source()); |
| assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror); |
| assertTrue(mirror.protoObject() instanceof debug.Mirror); |
| assertTrue(mirror.prototypeObject() instanceof debug.Mirror); |
| |
| // Test text representation |
| assertEquals(f.toString(), mirror.toText()); |
| |
| // Parse JSON representation and check. |
| var fromJSON = eval('(' + json + ')'); |
| assertEquals('function', fromJSON.type); |
| assertEquals('Function', fromJSON.className); |
| assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type); |
| assertEquals('AsyncFunction', |
| refs.lookup(fromJSON.constructorFunction.ref).name); |
| assertTrue(fromJSON.resolved); |
| assertEquals(f.name, fromJSON.name); |
| assertEquals(f.toString(), fromJSON.source); |
| |
| // Check the formatted text (regress 1142074). |
| assertEquals(f.toString(), fromJSON.text); |
| } |
| |
| |
| // Test a number of different functions. |
| testFunctionMirror(async function(){}); |
| testFunctionMirror(AsyncFunction()); |
| testFunctionMirror(new AsyncFunction()); |
| testFunctionMirror(async() => {}); |
| testFunctionMirror(async function a(){return 1;}); |
| testFunctionMirror(({ async foo() {} }).foo); |
| testFunctionMirror((async function(){}).bind({}), "Object"); |
| |
| %RunMicrotasks(); |