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			49 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright 2013 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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function testPrepareStackTrace(closure) {
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  var error = undefined;
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  try {
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    closure();
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    assertUnreachable();
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  } catch (e) {
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    error = e;
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  }
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  // We expect custom formatting to be lazy. Setting the custom
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  // function right before calling error.stack should be fine.
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  Error.prepareStackTrace = function(e, frames) {
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    return "bar";
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  }
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  assertEquals("bar", error.stack);
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  Error.prepareStackTrace = undefined;
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}
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testPrepareStackTrace(function() { throw new Error("foo"); });
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testPrepareStackTrace(function f() { f(); });
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