Index: LayoutTests/crypto/resources/random-values.js |
diff --git a/LayoutTests/crypto/resources/random-values.js b/LayoutTests/crypto/resources/random-values.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..71f398f3c49b7c5fa69fe237531f375be397d652 |
--- /dev/null |
+++ b/LayoutTests/crypto/resources/random-values.js |
@@ -0,0 +1,40 @@ |
+if (self.importScripts) |
+ importScripts('../../fast/js/resources/js-test-pre.js'); |
+ |
+description("Tests crypto.randomValues."); |
+ |
+if (!self.ArrayBuffer) |
+ debug("This test requres ArrayBuffers to run!"); |
+ |
+shouldBe("'crypto' in self", "true"); |
+shouldBe("'getRandomValues' in self.crypto", "true"); |
+ |
+// Although the spec defines Crypto in terms of "RandomSource", it is NOT |
+// inheritance. The RandomSource interface should not be visible to |
+// javascript. |
+shouldBe("self.crypto.__proto__.hasOwnProperty('getRandomValues')", "true"); |
+ |
+try { |
+ // NOTE: This test is flaky. If we ran this test every second since the |
+ // beginning of the universe, on average, it would have failed |
+ // 2^{-748} times. |
+ |
+ var reference = new Uint8Array(100); |
+ var sample = new Uint8Array(100); |
+ |
+ crypto.getRandomValues(reference); |
+ crypto.getRandomValues(sample); |
+ |
+ var matchingBytes = 0; |
+ |
+ for (var i = 0; i < reference.length; i++) { |
+ if (reference[i] == sample[i]) |
+ matchingBytes++; |
+ } |
+ |
+ shouldBe("matchingBytes < 100", "true"); |
+} catch(ex) { |
+ debug(ex); |
+} |
+ |
+finishJSTest(); |