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