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