Merge pull request #1777 from Ms2ger/label

Extend the api-invalid-label test to check for non-ASCII whitespace trimming; r=jsbell

encoding/api-invalid-label.html

@@ -2,13 +2,32 @@
 <title>Encoding API: invalid label</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<script src="resources/encodings.js"></script>
 <script>
+var tests = ["invalid-invalidLabel"];
+setup(function() {
+  encodings_table.forEach(function(section) {
+    section.encodings.filter(function(encoding) {
+      return encoding.name !== 'replacement';
+    }).forEach(function(encoding) {
+      encoding.labels.forEach(function(label) {
+        ["\u0000", "\u000b", "\u00a0", "\u2028", "\u2029"].forEach(function(ws) {
+          tests.push(ws + label);
+          tests.push(label + ws);
+          tests.push(ws + label + ws);
+        });
+      });
+    });
+  });
+});
 
-var invalidLabel = "invalid-invalidLabel"
-
-test(function() {
-    assert_throws(new RangeError(), function() { new TextEncoder(invalidLabel); });
-    assert_throws(new RangeError(), function() { new TextDecoder(invalidLabel); });
-}, 'Invalid label "' + invalidLabel + '" should be rejected by API.');
+tests.forEach(function(input) {
+  test(function() {
+    assert_throws(new RangeError(), function() { new TextEncoder(input); });
+  }, 'Invalid label ' + format_value(input) + ' should be rejected by TextEncoder.');
 
+  test(function() {
+    assert_throws(new RangeError(), function() { new TextDecoder(input); });
+  }, 'Invalid label ' + format_value(input) + ' should be rejected by TextDecoder.');
+});
 </script>