gecko-dev/testing/web-platform/tests/WebCryptoAPI/getRandomValues.js

function run_test() {
    // Step 1.
    test(function() {
        assert_throws("TypeMismatchError", function() {
            self.crypto.getRandomValues(new Float32Array(6))
        }, "Float32Array")
        assert_throws("TypeMismatchError", function() {
            self.crypto.getRandomValues(new Float64Array(6))
        }, "Float64Array")

        assert_throws("TypeMismatchError", function() {
            self.crypto.getRandomValues(new Float32Array(65537))
        }, "Float32Array (too long)")
        assert_throws("TypeMismatchError", function() {
            self.crypto.getRandomValues(new Float64Array(65537))
        }, "Float64Array (too long)")
    }, "Float arrays")

    var arrays = {
        'Int8Array': Int8Array,
        'Int16Array': Int16Array,
        'Int32Array': Int32Array,
        'Uint8Array': Uint8Array,
        'Uint8ClampedArray': Uint8ClampedArray,
        'Uint16Array': Uint16Array,
        'Uint32Array': Uint32Array,
    };

    test(function() {
        for (var array in arrays) {
            assert_equals(self.crypto.getRandomValues(new arrays[array](8)).constructor,
                          arrays[array], "crypto.getRandomValues(new " + array + "(8))")
        }
    }, "Integer array")

    test(function() {
        for (var array in arrays) {
            var maxlength = 65536 / (arrays[array].BYTES_PER_ELEMENT);
            assert_throws("QuotaExceededError", function() {
                self.crypto.getRandomValues(new arrays[array](maxlength + 1))
            }, "crypto.getRandomValues length over 65536")
        }
    }, "Large length")

    test(function() {
        for (var array in arrays) {
            assert_true(self.crypto.getRandomValues(new arrays[array](0)).length == 0)
        }
    }, "Null arrays")
}