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			62 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2009 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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| 
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| // Tests global loads from nested eval.
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| 
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| var x = 42;
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| 
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| // Load the global.
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| function test(source) {
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|   eval('eval(' + source +')');
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| }
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| test('assertEquals(42, x)');
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| 
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| // Shadow variable with a with statement.
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| function testWith(source) {
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|   with ({ x: 1 }) {
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|     eval('eval(' + source +')');
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|   }
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| }
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| testWith('assertEquals(1, x)');
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| 
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| // Shadow variable with an eval-introduced variable.
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| function testEval(source) {
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|   eval('var x = 1');
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|   function f() {
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|     eval('eval('+ source + ')');
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|   }
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|   f();
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| }
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| testEval('assertEquals(1, x)');
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| 
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| // Eval that does not shadow.
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| function testEvalDontShadow(source) {
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|   eval('1');
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|   eval('eval(' + source +')');
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| }
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| testEvalDontShadow('assertEquals(42, x)');
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