74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
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// Copyright 2010 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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// Test function.caller.
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function A() {}
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function fun(x) {
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if (x == 0) return fun.caller;
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if (x == 1) return gee.caller;
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return 42;
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}
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function gee(x) { return this.f(x); }
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A.prototype.f = fun;
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A.prototype.g = gee;
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var o = new A();
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for (var i=0; i<5000000; i++) {
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o.g(i);
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}
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assertEquals(gee, o.g(0));
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assertEquals(null, o.g(1));
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// Test when called from another function.
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function hej(x) {
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if (x == 0) return o.g(x);
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if (x == 1) return o.g(x);
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return o.g(x);
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}
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for (var j=0; j<5000000; j++) {
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hej(j);
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}
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assertEquals(gee, hej(0));
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assertEquals(hej, hej(1));
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// Test when called from eval.
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function from_eval(x) {
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if (x == 0) return eval("o.g(x);");
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if (x == 1) return eval("o.g(x);");
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return o.g(x);
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}
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for (var j=0; j<5000000; j++) {
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from_eval(j);
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}
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assertEquals(gee, from_eval(0));
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assertEquals(from_eval, from_eval(1));
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