85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
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// Copyright 2014 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
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// Test the mirror object for functions.
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function *generator(f) {
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"use strict";
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yield;
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f();
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yield;
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}
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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 TestGeneratorMirror(g, test) {
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// Create mirror and JSON representation.
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var mirror = debug.MakeMirror(g);
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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.GeneratorMirror);
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// Check the mirror properties.
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assertTrue(mirror.isGenerator());
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assertEquals('generator', mirror.type());
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assertFalse(mirror.isPrimitive());
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assertEquals('Generator', mirror.className());
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assertTrue(mirror.receiver().isUndefined());
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assertEquals(generator, mirror.func().value());
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test(mirror);
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}
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var iter = generator(function () {
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assertEquals('running', debug.MakeMirror(iter).status());
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})
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// Note that line numbers are 0-based, not 1-based.
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function assertSourceLocation(loc, line, column) {
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assertEquals(line, loc.line);
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assertEquals(column, loc.column);
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}
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TestGeneratorMirror(iter, function (mirror) {
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assertEquals('suspended', mirror.status())
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assertSourceLocation(mirror.sourceLocation(), 7, 19);
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});
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iter.next();
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TestGeneratorMirror(iter, function (mirror) {
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assertEquals('suspended', mirror.status())
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assertSourceLocation(mirror.sourceLocation(), 9, 2);
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});
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iter.next();
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TestGeneratorMirror(iter, function (mirror) {
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assertEquals('suspended', mirror.status())
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assertSourceLocation(mirror.sourceLocation(), 11, 2);
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});
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iter.next();
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TestGeneratorMirror(iter, function (mirror) {
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assertEquals('closed', mirror.status())
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assertEquals(undefined, mirror.sourceLocation());
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});
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