Migrate more tests from blink repository.

test/webkit/fast/js/function-decompilation-operators.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 // 1.  Redistributions of source code must retain the above copyright
 //     notice, this list of conditions and the following disclaimer.
 // 2.  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.
 //
 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
 
-description(
-"This tests that bytecode code generation doesn't crash when it encounters odd cases of an ignored result."
-);
+description("This test checks toString() round-trip decompilation for binary and unary operators.");
 
-function emptyStatementDoWhileTest()
-{
-    do
-        ;
-    while (false) { }
-    return true;
-}
+    var tests = [
+        "x + + y",
+        "x + - y",
+        "x - + y",
+        "x - - y",
+        "x * + y",
+        "x * - y",
+        "x / + y",
+        "x / - y",
+        "x % + y",
+        "x % - y",
+        "x++ + y",
+        "x++ - y",
+        "x++ * y",
+        "x++ / y",
+        "x-- + y",
+        "x-- - y",
+        "x-- * y",
+        "x-- / y",
+        "x + ++y",
+        "x - ++y",
+        "x * ++y",
+        "x / ++y",
+        "x + --y",
+        "x - --y",
+        "x * --y",
+        "x / --y",
+        "x++ + ++y",
+        "x++ - ++y",
+        "x++ * ++y",
+        "x++ / ++y",
+        "x-- + ++y",
+        "x-- - ++y",
+        "x-- * ++y",
+        "x-- / ++y",
+        "x++ + --y",
+        "x++ - --y",
+        "x++ * --y",
+        "x++ / --y",
+        "x-- + --y",
+        "x-- - --y",
+        "x-- * --y",
+        "x-- / --y",
+        "+ + x",
+        "+ - x",
+        "- + x",
+        "- - x",
+        "1",
+        "-1",
+        "- -1",
+        "- - 0",
+        "- - NaN"
+    ];
 
-shouldBeTrue("emptyStatementDoWhileTest()");
-
-function debuggerDoWhileTest()
-{
-    do
-        debugger;
-    while (false) { }
-    return true;
-}
-
-shouldBeTrue("debuggerDoWhileTest()");
-
-function continueDoWhileTest()
-{
-    var i = 0;
-    do
-        i++;
-    while (i < 10) {
-        do
-            continue;
-        while (false) { }
-    }
-    return true;
-}
-
-shouldBeTrue("continueDoWhileTest()");
-
-function breakDoWhileTest()
-{
-    var i = 0;
-    do
-        i++;
-    while (i < 10) {
-        do
-            continue;
-        while (false) { }
-    }
-    return true;
-}
-
-shouldBeTrue("breakDoWhileTest()");
-
-function tryDoWhileTest()
-{
-    do
-        try { } catch (o) { }
-    while (false) { }
-    return true;
-}
-
-shouldBeTrue("tryDoWhileTest()");
+    for (test in tests) {
+        var decompiledFunction = eval("(function () {  " + tests[test] + ";})").toString().replace(/\n/g, "");
+        shouldBe("decompiledFunction", "'function () {  " + tests[test] + ";}'");
+    }