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+<!DOCTYPE HTML>
+<html><head>
+ <title>Test window.crypto.getRandomValues</title>
+ <script type="text/javascript" src="/MochiKit/packed.js"></script>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body onload="onWindowLoad()">
+<script class="testbody" type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+
+var testData = [ { len: 32, type: "Int8", pass: true },
+ { len: 32, type: "Int16", pass: true },
+ { len: 32, type: "Int32", pass: true },
+ { len: 32, type: "Uint8", pass: true },
+ { len: 32, type: "Uint16", pass: true },
+ { len: 32, type: "Uint32", pass: true },
+ { len: 65536, type: "Uint8", pass: true },
+ { len: 32, type: "Uint8Clamped", pass: true },
+ { len: 65537, type: "Uint8", pass: false },
+ { len: 32, type: "Float32", pass: false },
+ { len: 32, type: "Float64", pass: false } ];
+
+
+var testCount = 0;
+
+function testNsCryptoGetRandomValues(aLength, aType)
+{
+ var arrayTypes = {
+ Int8: Int8Array,
+ Int16: Int16Array,
+ Int32: Int32Array,
+ Uint8: Uint8Array,
+ Uint16: Uint16Array,
+ Uint32: Uint32Array,
+ Float32: Float32Array,
+ Float64: Float64Array,
+ Uint8Clamped: Uint8ClampedArray,
+ };
+
+ testCount++;
+
+ var buf = new ArrayBuffer(aLength);
+ var arBuf = new arrayTypes[aType](buf);
+
+ var pass = false;
+ var b = window.crypto.getRandomValues(arBuf);
+ ok(b === arBuf, "ArrayBuffer result is argument buffer");
+
+ for (var i = 0; i < arBuf.length; i++) {
+ if (arBuf.length > 6) {
+ // XXXddahl: THIS MIGHT FAIL EVERY FULL MOON, SORRY QA!!!
+ if (arBuf[i] != 0) {
+ pass = true;
+ break;
+ }
+ }
+ else {
+ pass = true;
+ }
+ }
+ is(pass, true, "Non-zero result: " + i + " found in the " + aType + ": " + aLength + " ArrayBufferView");
+}
+
+function onWindowLoad()
+{
+ window.removeEventListener("load", onWindowLoad, false);
+ var failedWithCorrectError = false;
+ try {
+ for (var i = 0; i < testData.length; i++) {
+ if (testData[i].pass) {
+ try {
+ testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
+ }
+ catch (ex) {
+ ok(false, "testNsCryptoGetRandomValues failed, test should have passed: " + testData[i].type);
+ }
+ }
+ else {
+ // failing tests are dealt with here
+ if (i == 8) {
+ try {
+ testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
+ }
+ catch (ex) {
+ todo("QuotaExceededError" in window && ex instanceof QuotaExceededError,
+ "Exception was the correct type");
+ failedWithCorrectError = ex.toString().search(/QUOTA_EXCEEDED_ERR/);
+ ok(failedWithCorrectError, "Extended length array buffer fails, NS_ERROR_DOM_QUOTA_EXCEEDED_ERR thrown");
+ }
+ } // 8
+
+ if (i == 9) {
+ try {
+ testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
+ }
+ catch (ex) {
+ failedWithCorrectError = ex.toString().search(/TYPE_MISMATCH_ERR/);
+ ok(failedWithCorrectError,
+ "Expected TYPE_MISMATCH_ERR: Float32Array is not valid, got " + ex + ".");
+ }
+ } // 9
+
+ if (i == 10) {
+ try {
+ testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
+ }
+ catch (ex) {
+ failedWithCorrectError = ex.toString().search(/TYPE_MISMATCH_ERR/);
+ ok(failedWithCorrectError,
+ "Expected TYPE_MISMATCH_ERR: Float64Array is not valid, got " + ex + ".");
+ }
+ }
+ }
+ } // end main for loop
+ }
+ catch (ex) {
+ ok(false, "Unexpected Error: " + ex);
+ }
+ // Count the tests in the testData array
+ ok(testCount == 11, "11 tests run via testData");
+
+ // Test a null argument
+ try {
+ window.crypto.getRandomValues(null);
+ }
+ catch (ex) {
+ var test = ex.toString().search(/1003|TypeError/);
+ ok((test > -1), "Expected TYPE_ERR, got " + ex + ".");
+ }
+
+ // Test a zero-length buffer view
+ try {
+ var a = new Int8Array(0);
+ window.crypto.getRandomValues(a);
+ ok(a[0] === undefined, "The array buffer is unchanged, still 0 length");
+ }
+ catch (ex) {
+ ok(false, "A zero-length array buffer view should not fail");
+ }
+
+ // Test a one-length buffer view
+ var randomVal = 0;
+ // The probability of getRandomValues generating a zero value is 1/256 so we
+ // run this in a loop until it returns a non-zero value to guard against
+ // false failures
+ do {
+ try {
+ var a = new Uint8Array(1);
+ var b = window.crypto.getRandomValues(a);
+ randomVal = a[0];
+ ok(a === b, "ArrayBuffer result is argument buffer");
+ }
+ catch (ex) {
+ ok(false, "A one-length array buffer view should not fail");
+ }
+ }
+ while (randomVal == 0);
+ ok(randomVal !== 0, "The array buffer eventually had one random value");
+
+ // Test a 16 byte length buffer
+ var testConfig = { len: 16, type: "Int8", pass: true };
+ testNsCryptoGetRandomValues(testConfig.len,
+ testConfig.type,
+ testConfig.pass);
+
+ // Test a 31 byte length buffer
+ testConfig = { len: 31, type: "Int8", pass: true };
+ testNsCryptoGetRandomValues(testConfig.len,
+ testConfig.type,
+ testConfig.pass);
+
+ // Test a 33 byte length buffer
+ testConfig = { len: 33, type: "Int8", pass: true };
+ testNsCryptoGetRandomValues(testConfig.len,
+ testConfig.type,
+ testConfig.pass);
+
+ // Test a range of an array buffer view
+ var buffer = new ArrayBuffer(32);
+ var view = new Int8Array(buffer, 0, 16);
+ var view2 = new Int8Array(buffer, 16, 16);
+ for (var i = 0; i < view2.byteLength; i++) {
+ view2[i] = 1;
+ }
+ var b = window.crypto.getRandomValues(view);
+ ok(b === view, "ArrayBuffer result is argument buffer");
+ for (var i = 0; i < view.byteLength; i++) {
+ is(view2[i], 1, "view2 is unchanged");
+ }
+
+ // test an offset view
+ var result = false;
+ var b = window.crypto.getRandomValues(view2);
+ for (var i = 0; i < view2.length; i++) {
+ if (view2[i] != 1) {
+ result = true;
+ break;
+ }
+ }
+ ok(result, "view2 has been updated correctly");
+ ok(b === view2, "ArrayBuffer result is argument buffer");
+ // test the return value
+ buffer = new ArrayBuffer(32);
+ view = new Int8Array(buffer, 0, 16);
+ var retval = window.crypto.getRandomValues(view);
+ ok(view === retval, "The view and return value are the same");
+
+ SimpleTest.finish();
+}
+</script>
+</body></html>