Refactor a database test such that its code can be shared between the documen...

LayoutTests/storage/execute-sql-args.js

+var throwOnToStringObject = { };
+throwOnToStringObject.toString = function () { throw "Cannot call toString on this object." };
+
+var throwOnGetLengthObject = { };
+throwOnGetLengthObject.__defineGetter__("length", function () { throw "Cannot get length of this object."; });
+
+var throwOnGetZeroObject = { length: 1 };
+throwOnGetZeroObject.__defineGetter__("0", function () { throw "Cannot get 0 property of this object."; });
+
+var expectNoException = [
+    'null',
+    'undefined',
+    '0',
+    '""',
+    '"", null',
+    '"", undefined',
+    '"", []',
+    '"", [ "arg0" ]',
+    '"", { }',
+    '"", { length: 0 }',
+    '"", { length: 1, 0: "arg0" }',
+    '"", null, null',
+    '"", null, undefined',
+    '"", null, { }',
+    '"", null, null, null',
+    '"", null, null, undefined',
+    '"", null, null, { }',
+];
+
+var expectException = [
+    '',
+    'throwOnToStringObject',
+    '"", throwOnGetLengthObject',
+    '"", throwOnGetZeroObject',
+    '"", [ throwOnToStringObject ]',
+    '"", 0',
+    '"", ""',
+    '"", null, 0',
+    '"", null, ""',
+    '"", null, null, 0',
+    '"", null, null, ""',
+];
+
+function tryExecuteSql(transaction, parameterList)
+{
+    try {
+        eval('transaction.executeSql(' + parameterList + ')');
+        return null;
+    } catch (exception) {
+        return exception;
+    }
+}
+
+function runTransactionTest(transaction, parameterList, expectException)
+{
+    var exception = tryExecuteSql(transaction, parameterList);
+    if (expectException) {
+        if (exception)
+            log("PASS. executeSql(" + parameterList + ") threw an exception as expected.");
+        else
+            log("*FAIL*. executeSql(" + parameterList + ") did not throw an exception");
+    } else {
+        if (exception)
+            log("*FAIL*. executeSql(" + parameterList + ") threw an exception: " + exception);
+        else
+            log("PASS. executeSql(" + parameterList + ") did not throw an exception");
+    }
+}
+
+function runTransactionTests(transaction)
+{
+    for (i in expectNoException)
+        runTransactionTest(transaction, expectNoException[i], false);
+    for (i in expectException)
+        runTransactionTest(transaction, expectException[i], true);
+
+    if (window.layoutTestController)
+        layoutTestController.notifyDone();
+}
+
+function runTest()
+{
+
+    var db = openDatabase("ExecuteSQLArgsTest", "1.0", "Test of handling of the arguments to SQLTransaction.executeSql", 1);
+    db.transaction(runTransactionTests);
+}
+
+