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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
function rec1(a) { rec1(a+1); }
function rec2(a) { rec3(a+1); }
function rec3(a) { rec2(a+1); }
// Test stack trace getter and setter.
try {
rec1(0);
} catch (e) {
assertTrue(e.stack.indexOf("rec1") > 0);
e.stack = "123";
assertEquals("123", e.stack);
}
// Test setter w/o calling the getter.
try {
rec2(0);
} catch (e) {
assertTrue(e.stack.indexOf("rec2") > 0);
assertTrue(e.stack.indexOf("rec3") > 0);
e.stack = "123";
assertEquals("123", e.stack);
}
// Test getter to make sure setter does not affect the boilerplate.
try {
rec1(0);
} catch (e) {
assertTrue(e.stack.indexOf("rec1") > 0);
assertInstanceof(e, RangeError);
}
// Check setting/getting stack property on the prototype chain.
function testErrorPrototype(prototype) {
var object = {};
object.__proto__ = prototype;
object.stack = "123";
assertEquals("123", object.stack);
assertTrue("123" != prototype.stack);
}
try {
rec1(0);
} catch (e) {
e.stack;
testErrorPrototype(e);
}
try {
rec1(0);
} catch (e) {
testErrorPrototype(e);
}
try {
throw new Error();
} catch (e) {
testErrorPrototype(e);
}
Error.stackTraceLimit = 3;
try {
rec1(0);
} catch (e) {
assertEquals(4, e.stack.split('\n').length);
}
Error.stackTraceLimit = 25.9;
try {
rec1(0);
} catch (e) {
assertEquals(26, e.stack.split('\n').length);
}
Error.stackTraceLimit = NaN;
try {
rec1(0);
} catch (e) {
assertEquals(1, e.stack.split('\n').length);
}
Error.stackTraceLimit = "not a number";
try {
rec1(0);
} catch (e) {
assertEquals(undefined, e.stack);
}
Error.stackTraceLimit = 3;
Error = ""; // Overwrite Error in the global object.
try {
rec1(0);
} catch (e) {
assertEquals(4, e.stack.split('\n').length);
}
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