v8/test/mjsunit/constant-fold-control-instructions.js

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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --fold-constants
function test() {
assertEquals("string", typeof "");
assertEquals("number", typeof 1.1);
assertEquals("number", typeof 1);
assertEquals("boolean", typeof true);
assertEquals("function", typeof function() {});
assertEquals("object", typeof null);
assertEquals("object", typeof {});
assertTrue(%_IsObject({}));
assertTrue(%_IsObject(null));
assertTrue(%_IsObject(/regex/));
assertFalse(%_IsObject(0));
assertFalse(%_IsObject(""));
assertTrue(%_IsSmi(1));
assertFalse(%_IsSmi(1.1));
assertFalse(%_IsSmi({}));
assertTrue(%_IsRegExp(/regexp/));
assertFalse(%_IsRegExp({}));
assertTrue(%_IsArray([1]));
assertFalse(%_IsArray(function() {}));
assertTrue(%_IsFunction(function() {}));
assertFalse(%_IsFunction(null));
assertTrue(%_IsSpecObject(new Date()));
assertFalse(%_IsSpecObject(1));
assertTrue(%_IsMinusZero(-0.0));
assertFalse(%_IsMinusZero(1));
assertFalse(%_IsMinusZero(""));
}
test();
test();
%OptimizeFunctionOnNextCall(test);
test();