Migrated several tests from blink to V8 repository.

test/webkit/apply-varargs.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('Test that we properly fill in missing args with "undefined" in JIT code.');
+
+// Regression test for <rdar://problem/10763509>
+
+
+function callee(a1, a2, a3, a4, a5, a6, a7, a8)
+{
+    // We expect that the unused actual parameters will be filled
+    // with undefined.
+    if (a1 !== undefined)
+        return "Arg1 is wrong";
+    if (a2 !== undefined)
+        return "Arg2 is wrong";
+    if (a3 !== undefined)
+        return "Arg3 is wrong";
+    if (a4 !== undefined)
+        return "Arg4 is wrong";
+    if (a5 !== undefined)
+        return "Arg5 is wrong";
+    if (a6 !== undefined)
+        return "Arg6 is wrong";
+    if (a7 !== undefined)
+        return "Arg7 is wrong";
+    if (a8 !== undefined)
+        return "Arg8 is wrong";
+
+    return undefined;
+}
+
+function dummy(a1, a2, a3, a4, a5, a6, a7, a8)
+{
+}
+
+function BaseObj()
+{
+}
+
+function caller(testArgCount)
+{
+    var baseObj = new BaseObj();
+
+    var allArgs = [0, "String", callee, true, null, 2.5, [1, 2, 3], {'a': 1, 'b' : 2}];
+    argCounts = [8, testArgCount];
+
+    for (argCountIndex = 0; argCountIndex < argCounts.length; argCountIndex++) {
+        argCount = argCounts[argCountIndex];
+
+        var varArgs = [];
+        for (i = 0; i < argCount; i++)
+            varArgs[i] = undefined;
+
+        for (numCalls = 0; numCalls < 10; numCalls++) {
+            // Run multiple times so that the JIT kicks in
+            dummy.apply(baseObj, allArgs);
+            var result = callee.apply(baseObj, varArgs);
+            if (result != undefined)
+                return result;
+        }
+    }
+
+    return undefined;
+}
+
+shouldBe("caller(0)", 'undefined');
+shouldBe("caller(1)", 'undefined');
+shouldBe("caller(2)", 'undefined');
+shouldBe("caller(3)", 'undefined');
+shouldBe("caller(4)", 'undefined');
+shouldBe("caller(5)", 'undefined');
+shouldBe("caller(6)", 'undefined');
+shouldBe("caller(7)", 'undefined');
+shouldBe("caller(8)", 'undefined');
+
+var successfullyParsed = true;