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Diffstat (limited to 'dom/tests/mochitest/crypto/test_getRandomValues.html')
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diff --git a/dom/tests/mochitest/crypto/test_getRandomValues.html b/dom/tests/mochitest/crypto/test_getRandomValues.html new file mode 100644 index 0000000000..6281241f46 --- /dev/null +++ b/dom/tests/mochitest/crypto/test_getRandomValues.html @@ -0,0 +1,211 @@ +<!DOCTYPE HTML> +<html><head> + <title>Test window.crypto.getRandomValues</title> + <script 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); + 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> |