1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encoding/textdecoder-fatal-streaming.html b/testing/web-platform/tests/encoding/textdecoder-fatal-streaming.html
new file mode 100644
index 000000000..2ccac9f23
--- /dev/null
+++ b/testing/web-platform/tests/encoding/textdecoder-fatal-streaming.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<title>Encoding API: End-of-file</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+test(function() {
+    [
+        {encoding: 'utf-8', sequence: [0xC0]},
+        {encoding: 'utf-16le', sequence: [0x00]},
+        {encoding: 'utf-16be', sequence: [0x00]}
+    ].forEach(function(testCase) {
+
+        assert_throws(new TypeError(), function() {
+            var decoder = new TextDecoder(testCase.encoding, {fatal: true});
+            decoder.decode(new Uint8Array(testCase.sequence));
+        }, 'Unterminated ' + testCase.encoding + ' sequence should throw if fatal flag is set');
+
+        assert_equals(
+            new TextDecoder(testCase.encoding).decode(new Uint8Array([testCase.sequence])),
+            '\uFFFD',
+            'Unterminated UTF-8 sequence should emit replacement character if fatal flag is unset');
+    });
+}, 'Fatal flag, non-streaming cases');
+
+test(function() {
+
+    var decoder = new TextDecoder('utf-16le', {fatal: true});
+    var odd = new Uint8Array([0x00]);
+    var even = new Uint8Array([0x00, 0x00]);
+
+    assert_equals(decoder.decode(odd, {stream: true}), '');
+    assert_equals(decoder.decode(odd), '\u0000');
+
+    assert_throws(new TypeError(), function() {
+        decoder.decode(even, {stream: true});
+        decoder.decode(odd)
+    });
+
+    assert_throws(new TypeError(), function() {
+        decoder.decode(odd, {stream: true});
+        decoder.decode(even);
+    });
+
+    assert_equals(decoder.decode(even, {stream: true}), '\u0000');
+    assert_equals(decoder.decode(even), '\u0000');
+
+}, 'Fatal flag, streaming cases');
+
+</script>