Migrate more tests from blink repository.

test/webkit/fast/js/kde/arguments-scope.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 sorting an array with more than 10,000 values.");
+description("KDE JS Test");
+// We can't use normal shouldBe here, since they'd eval in the wrong context...
 
-var test = [];
-for (var i = 0; i < 10010; i++)
-    test.push(10009 - i);
-test.sort(function(a, b) {return a - b;});
+function shouldBeOfType(msg, val, type) {
+  if (typeof(val) != type)
+    testFailed(msg + ": value has type " + typeof(val) + " , not:" + type);
+  else
+    testPassed(msg);
+}
 
-shouldBe("test.length", "10010");
-shouldBe("test[9999]", "9999");
-shouldBe("test[10000]", "10000");
-shouldBe("test.slice(0, 20).join(', ')", "'0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19'");
-shouldBe("test.slice(9990, 10010).join(', ')", "'9990, 9991, 9992, 9993, 9994, 9995, 9996, 9997, 9998, 9999, 10000, 10001, 10002, 10003, 10004, 10005, 10006, 10007, 10008, 10009'");
+function test0() {
+    var arguments;
+    // var execution should not overwrite something that was
+    // in scope beforehand -- e.g. the arguments thing
+    shouldBeOfType("test0", arguments, 'object');
+ }
 
-var testNoValues = [];
-testNoValues.length = 10110;
-testNoValues.sort(function(a, b) {return a < b;});
+function test1() {
+    // No need to undef-initialize something in scope already!
+    shouldBeOfType("test1", arguments, 'object');
+    var arguments;
+}
 
-shouldBe("testNoValues.length", "10110");
-shouldBe("testNoValues[9999]", "undefined");
-shouldBe("testNoValues[10000]", "undefined");
+function test2(arguments) {
+    // Formals OTOH can overwrite the args object
+    shouldBeOfType("test2", arguments, 'number');
+}
+
+
+function test3() {
+    // Ditto for functions..
+    shouldBeOfType("test3", arguments, 'function');
+    function arguments() {}
+}
+
+function test4() {
+    // Here, the -declaration- part of the var below should have no
+    // effect..
+    shouldBeOfType('test4.(1)', arguments, 'object');
+    var arguments = 4;
+    // .. but the assignment shoud just happen
+    shouldBeOfType('test4.(2)', arguments, 'number');
+}
+
+
+test0();
+test1();
+test2(42);
+test3();
+test4();