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73 lines
2.6 KiB
73 lines
2.6 KiB
// 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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// Simple tests of the various kinds of variable references in the
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// implementstion.
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// Global variables.
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var x = 0;
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function f0() { return x; }
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assertEquals(0, f0());
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// Parameters.
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function f1(x) { return x; }
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assertEquals(1, f1(1));
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// Stack-allocated locals.
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function f2() { var x = 2; return x; }
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assertEquals(2, f2());
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// Context-allocated locals. Local function forces x into f3's context.
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function f3(x) {
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function g() { return x; }
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return x;
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}
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assertEquals(3, f3(3));
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// Local function reads x from an outer context.
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function f4(x) {
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function g() { return x; }
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return g();
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}
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assertEquals(4, f4(4));
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// Lookup slots. 'With' forces x to be looked up at runtime.
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function f5(x) {
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with ({}) return x;
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}
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assertEquals(5, f5(5));
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// Parameters rewritten to property accesses. Using the name 'arguments'
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// (even if it shadows the arguments object) forces all parameters to be
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// rewritten to explicit property accesses.
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function f6(arguments) { return arguments; }
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assertEquals(6, f6(6));
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