A64: Synchronize with r17441.

test/mjsunit/harmony/math-sign.js

 // Copyright 2013 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.
 
-#ifndef V8_A64_DEBUGGER_A64_H_
-#define V8_A64_DEBUGGER_A64_H_
+// Flags: --harmony-maths
 
-#if defined(USE_SIMULATOR)
-
-#include "globals.h"
-#include "utils.h"
-#include "a64/constants-a64.h"
-#include "a64/simulator-a64.h"
-
-namespace v8 {
-namespace internal {
-
-
-class Debugger : public Simulator {
- public:
-  Debugger(Decoder* decoder, FILE* stream = stderr)
-    : Simulator(decoder, NULL, stream) {}
-
-  // Functions overloading.
-  void VisitException(Instruction* instr);
-};
-
-
-} }  // namespace v8::internal
-
-#endif  // USE_SIMULATOR
-
-#endif  // V8_A64_DEBUGGER_A64_H_
+assertEquals("Infinity", String(1/Math.sign(0)));
+assertEquals("-Infinity", String(1/Math.sign(-0)));
+assertEquals(1, Math.sign(100));
+assertEquals(-1, Math.sign(-199));
+assertEquals(1, Math.sign(100.1));
+assertTrue(isNaN(Math.sign("abc")));
+assertTrue(isNaN(Math.sign({})));
+assertEquals(0, Math.sign([]));
+assertEquals(1, Math.sign([1]));
+assertEquals(-1, Math.sign([-100.1]));
+assertTrue(isNaN(Math.sign([1, 1])));
+assertEquals(1, Math.sign({ toString: function() { return "100"; } }));
+assertEquals(1, Math.sign({ toString: function() { return 100; } }));
+assertEquals(-1, Math.sign({ valueOf: function() { return -1.1; } }));
+assertEquals(-1, Math.sign({ valueOf: function() { return "-1.1"; } }));
+assertEquals(-1, Math.sign(-Infinity));
+assertEquals(1, Math.sign(Infinity));
+assertEquals(-1, Math.sign("-Infinity"));
+assertEquals(1, Math.sign("Infinity"));