mirror of https://github.com/lukechilds/node.git
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90 lines
3.7 KiB
90 lines
3.7 KiB
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --expose-debug-as debug
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// Test the mirror object for functions.
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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('Function', 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(function(){});
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testFunctionMirror(function a(){return 1;});
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testFunctionMirror(Math.sin);
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