[refactor] Split up generateKey.html into multiple files, and test errors directly.

LayoutTests/crypto/aes-cbc-generateKey-parseAlgorithm-failures.html

Index: LayoutTests/crypto/aes-cbc-generateKey-parseAlgorithm-failures.html
diff --git a/LayoutTests/crypto/aes-cbc-parseAlgorithm-failures.html b/LayoutTests/crypto/aes-cbc-generateKey-parseAlgorithm-failures.html
similarity index 41%
copy from LayoutTests/crypto/aes-cbc-parseAlgorithm-failures.html
copy to LayoutTests/crypto/aes-cbc-generateKey-parseAlgorithm-failures.html
index d41e48d6af8db3527148e3ce094fa79d95c3b612..bbc16d343fc97329d3bf0d6aec9c014a5ebd899e 100644
--- a/LayoutTests/crypto/aes-cbc-parseAlgorithm-failures.html
+++ b/LayoutTests/crypto/aes-cbc-generateKey-parseAlgorithm-failures.html
@@ -9,43 +9,39 @@
 <div id="console"></div>
 
 <script>
-description("Tests bad algorithm inputs for AES-CBC");
-
+description("Tests generateKey() with bad AES-CBC parameters.");
 jsTestIsAsync = true;
 
-var keyData = hexStringToUint8Array("2b7e151628aed2a6abf7158809cf4f3c");
-var data = asciiToUint8Array("hello");
-var key = null;
+extractable = true;
+keyUsages = ['encrypt', 'decrypt'];
 
-Promise.resolve(null).then(function(result) {
-    var usages = ['encrypt', 'decrypt'];
-    var extractable = false;
-    var algorithm = {name: 'aes-cbc'};
+// Invalid keyUsages
+shouldThrow("crypto.subtle.generateKey({ name: 'aes-cbc', length: 1024 }, extractable, -1)");
+shouldThrow("crypto.subtle.generateKey({ name: 'aes-cbc', length: 1024 }, extractable, null)");
 
-    return crypto.subtle.importKey('raw', keyData, algorithm, extractable, usages);
-}).then(function(result) {
-    key = result;
+Promise.resolve(null).then(function() {
+    // Bad key usage "boo".
+    return crypto.subtle.generateKey({ name: 'aes-cbc', length: 1024 }, extractable, ['boo']);
+}).then(failAndFinishJSTest, function(result) {
+    error = result;
+    shouldBeNull("error");
 
-    // Bad iv
-    return crypto.subtle.encrypt({name: 'AES-CBC', iv: null}, key, data);
+    return crypto.subtle.generateKey({ name: 'aes-cbc' }, extractable, keyUsages);
 }).then(failAndFinishJSTest, function(result) {
     error = result;
     shouldBeNull("error");
 
-    // Missing iv
-    return crypto.subtle.decrypt({name: 'AES-CBC'}, key, data);
+    return crypto.subtle.generateKey({ name: 'aes-cbc', length: 70000 }, extractable, keyUsages);
 }).then(failAndFinishJSTest, function(result) {
     error = result;
     shouldBeNull("error");
 
-    // iv is not a buffer
-    return crypto.subtle.encrypt({name: 'AES-CBC', iv: 3}, key, data);
+    return crypto.subtle.generateKey({ name: 'aes-cbc', length: -3 }, extractable, keyUsages);
 }).then(failAndFinishJSTest, function(result) {
     error = result;
     shouldBeNull("error");
 
-    // iv is too short
-    return crypto.subtle.encrypt({name: 'AES-CBC', iv: new Uint8Array(0)}, key, data);
+    return crypto.subtle.generateKey({ name: 'aes-cbc', length: -Infinity }, extractable, keyUsages);
 }).then(failAndFinishJSTest, function(result) {
     error = result;
     shouldBeNull("error");