<!DOCTYPE html>
-<script src="../../../resources/js-test.js"></script>
+<title>Encoding API: Fatal flag</title>
+<script src="../../../resources/testharness.js"></script>
+<script src="../../../resources/testharnessreport.js"></script>
+<script src="resources/shared.js"></script>
<script>
-description("Test the Encoding API's 'fatal' flag");
-
var bad = [
- { encoding: 'utf-8', input: "[0xC0]" }, // ends early
- { encoding: 'utf-8', input: "[0xC0, 0x00]" }, // invalid trail
- { encoding: 'utf-8', input: "[0xC0, 0xC0]" }, // invalid trail
- { encoding: 'utf-8', input: "[0xE0]" }, // ends early
- { encoding: 'utf-8', input: "[0xE0, 0x00]" }, // invalid trail
- { encoding: 'utf-8', input: "[0xE0, 0xC0]" }, // invalid trail
- { encoding: 'utf-8', input: "[0xE0, 0x80, 0x00]" }, // invalid trail
- { encoding: 'utf-8', input: "[0xE0, 0x80, 0xC0]" }, // invalid trail
- { encoding: 'utf-8', input: "[0xFC, 0x80, 0x80, 0x80, 0x80, 0x80]" }, // > 0x10FFFF
- { encoding: 'utf-16le', input: "[0x00]" }, // truncated code unit
- { encoding: 'utf-16le', input: "[0x00, 0xd8]" }, // surrogate half
- { encoding: 'utf-16le', input: "[0x00, 0xd8, 0x00, 0x00]" }, // surrogate half
- { encoding: 'utf-16le', input: "[0x00, 0xdc, 0x00, 0x00]" }, // trail surrogate
- { encoding: 'utf-16le', input: "[0x00, 0xdc, 0x00, 0xd8]" } // swapped surrogates
- // FIXME: Legacy encoding cases
+ { encoding: 'utf-8', input: [0xFF], name: 'invalid code' },
+ { encoding: 'utf-8', input: [0xC0], name: 'ends early' },
+ { encoding: 'utf-8', input: [0xC0, 0x00], name: 'invalid trail' },
+ { encoding: 'utf-8', input: [0xC0, 0xC0], name: 'invalid trail' },
+ { encoding: 'utf-8', input: [0xE0], name: 'ends early' },
+ { encoding: 'utf-8', input: [0xE0, 0x00], name: 'invalid trail' },
+ { encoding: 'utf-8', input: [0xE0, 0xC0], name: 'invalid trail' },
+ { encoding: 'utf-8', input: [0xE0, 0x80, 0x00], name: 'invalid trail' },
+ { encoding: 'utf-8', input: [0xE0, 0x80, 0xC0], name: 'invalid trail' },
+ { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80], name: '> 0x10FFFF' },
+ { encoding: 'utf-8', input: [0xFE, 0x80, 0x80, 0x80, 0x80, 0x80], name: 'obsolete lead byte' },
+
+ // Overlong encodings
+ { encoding: 'utf-8', input: [0xC0, 0x80], name: 'overlong U+0000 - 2 bytes' },
+ { encoding: 'utf-8', input: [0xE0, 0x80, 0x80], name: 'overlong U+0000 - 3 bytes' },
+ { encoding: 'utf-8', input: [0xF0, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 4 bytes' },
+ { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 5 bytes' },
+ { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 6 bytes' },
+
+ { encoding: 'utf-8', input: [0xC1, 0xBF], name: 'overlong U+007F - 2 bytes' },
+ { encoding: 'utf-8', input: [0xE0, 0x81, 0xBF], name: 'overlong U+007F - 3 bytes' },
+ { encoding: 'utf-8', input: [0xF0, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 4 bytes' },
+ { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 5 bytes' },
+ { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 6 bytes' },
+
+ { encoding: 'utf-8', input: [0xE0, 0x9F, 0xBF], name: 'overlong U+07FF - 3 bytes' },
+ { encoding: 'utf-8', input: [0xF0, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 4 bytes' },
+ { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 5 bytes' },
+ { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 6 bytes' },
+
+ { encoding: 'utf-8', input: [0xF0, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 4 bytes' },
+ { encoding: 'utf-8', input: [0xF8, 0x80, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 5 bytes' },
+ { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 6 bytes' },
+
+ { encoding: 'utf-8', input: [0xF8, 0x84, 0x8F, 0xBF, 0xBF], name: 'overlong U+10FFFF - 5 bytes' },
+ { encoding: 'utf-8', input: [0xFC, 0x80, 0x84, 0x8F, 0xBF, 0xBF], name: 'overlong U+10FFFF - 6 bytes' },
+
+ // UTF-16 surrogates encoded as code points in UTF-8
+ { encoding: 'utf-8', input: [0xED, 0xA0, 0x80], name: 'lead surrogate' },
+ { encoding: 'utf-8', input: [0xED, 0xB0, 0x80], name: 'trail surrogate' },
+ { encoding: 'utf-8', input: [0xED, 0xA0, 0x80, 0xED, 0xB0, 0x80], name: 'surrogate pair' },
+
+ { encoding: 'utf-16le', input: [0x00], name: 'truncated code unit' },
+ // Mismatched UTF-16 surrogates are exercised in utf16-surrogates.html
+
+ // FIXME: Add legacy encoding cases
];
bad.forEach(function(t) {
- shouldThrow("new TextDecoder('" + t.encoding + "', {fatal: true}).decode(new Uint8Array(" + t.input + "))");
+ test(function() {
+ assert_throws({name: 'EncodingError'}, function() {
+ new TextDecoder(t.encoding, {fatal: true}).decode(new Uint8Array(t.input))
+ });
+ }, 'Fatal flag: ' + t.encoding + ' - ' + t.name);
});
</script>