Migrate more tests from blink repository.

test/webkit/fast/js/kde/lval-exceptions.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 test checks that variable declarations with initializers inside of catch and with blocks do not set values in a deeper scope."
-);
+description("KDE JS Test");
+// Tests for raising --- and non-raising exceptions on access to reference to undefined things...
 
-function catchTest() {
-  var e = "foo";
+// Locals should throw on access if undefined..
+fnShouldThrow(function() { a = x; }, ReferenceError);
 
+// Read-modify-write versions of assignment should throw as well
+fnShouldThrow(function() { x += "foo"; }, ReferenceError);
+
+// Other reference types should just return undefined...
+a = new Object();
+fnShouldNotThrow(function() { b = a.x; });
+fnShouldNotThrow(function() { b = a['x']; });
+fnShouldNotThrow(function() { a['x'] += 'baz'; });
+shouldBe("a['x']", '"undefinedbaz"');
+fnShouldNotThrow(function() { b = a.y; });
+fnShouldNotThrow(function() { a.y += 'glarch'; });
+shouldBe("a['y']", '"undefinedglarch"');
+
+
+// Helpers!
+function fnShouldThrow(f, exType)
+{
+  var exception;
+  var _av;
   try {
-    throw "bar";
+     _av = f();
   } catch (e) {
-    var e = "baz";
+     exception = e;
   }
 
-  return e;
+  if (exception) {
+    if (typeof exType == "undefined" || exception instanceof exType)
+      testPassed(f + " threw exception " + exception + ".");
+    else
+      testFailed(f + " should throw exception " + exType + ". Threw exception " + exception + ".");
+  } else if (typeof _av == "undefined")
+    testFailed(f + " should throw exception " + exType + ". Was undefined.");
+  else
+    testFailed(f + " should throw exception " + exType + ". Was " + _av + ".");
 }
 
-function catchTest2() {
-  var e = "foo";
-
+function fnShouldNotThrow(f)
+{
   try {
-    throw "bar";
+    f();
+    testPassed(f + " did not throw an exception");
   } catch (e) {
-    var e = "baz";
-
-    return e;
+    testFailed(f + " threw an exception " + e + " when no exception expected");
   }
-}
-
-function withTest() {
-  var e = "foo"
-  var object = { 'e' : "bar" };
-
-  with (object) {
-    var e = "baz";
-  }
-
-  return e;
-}
-
-function withTest2() {
-  var e = "foo"
-  var object = { 'e' : "bar" };
-
-  with (object) {
-    var e = "baz";
-
-    return e;
-  }
-}
-
-shouldBe("catchTest()", "'foo'");
-shouldBe("catchTest2()", "'baz'");
-shouldBe("withTest()", "'foo'");
-shouldBe("withTest2()", "'baz'");
+}