diff options
-rw-r--r-- | test/HTML5/InputStreamTest.php | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/test/HTML5/InputStreamTest.php b/test/HTML5/InputStreamTest.php new file mode 100644 index 0000000..7b2ead5 --- /dev/null +++ b/test/HTML5/InputStreamTest.php @@ -0,0 +1,192 @@ +<?php +namespace HTML5\Tests; + +use \HTML5\InputStream; + +require_once 'TestCase.php'; + +class InputStreamTest extends TestCase { + const INVALID = "\xEF\xBF\xBD"; + + public function testBOM() { + + // Ignore in-text BOM. + $stream = new InputStream("a\xEF\xBB\xBF"); + $this->assertEquals("a\xEF\xBB\xBF", $stream->remainingChars(), 'A non-leading U+FEFF (BOM/ZWNBSP) should remain'); + + // Strip leading BOM + $leading = new InputStream("\xEF\xBB\xBFa"); + $this->assertEquals('a', $leading->char(), 'BOM should be stripped'); + } + + public function testCarriageReturn() { + + // Replace NULL with Unicode replacement. + $stream = new InputStream("\0\0\0"); + $this->assertEquals("\xEF\xBF\xBD\xEF\xBF\xBD\xEF\xBF\xBD", $stream->remainingChars(), 'Null character should be replaced by U+FFFD'); + $this->assertEquals(3, count($stream->errors), 'Null character should set parse error: ' . print_r($stream->errors, TRUE)); + + // Remove CR when next to LF. + $stream = new InputStream("\r\n"); + $this->assertEquals("\n", $stream->remainingChars(), 'CRLF should be replaced by LF'); + + // Convert CR to LF when on its own. + $stream = new InputStream("\r"); + $this->assertEquals("\n", $stream->remainingChars(), 'CR should be replaced by LF'); + } + + + public function invalidParseErrorTestHandler($input, $numErrors, $name) { + $stream = new InputStream($input); + $this->assertEquals($input, $stream->remainingChars(), $name . ' (stream content)'); + $this->assertEquals($numErrors, count($stream->errors), $name . ' (number of errors)'); + } + + public function testInvalidReplace() { + $invalidTest = array( + + // Min/max overlong + "\xC0\x80a" => 'Overlong representation of U+0000', + "\xE0\x80\x80a" => 'Overlong representation of U+0000', + "\xF0\x80\x80\x80a" => 'Overlong representation of U+0000', + "\xF8\x80\x80\x80\x80a" => 'Overlong representation of U+0000', + "\xFC\x80\x80\x80\x80\x80a" => 'Overlong representation of U+0000', + "\xC1\xBFa" => 'Overlong representation of U+007F', + "\xE0\x9F\xBFa" => 'Overlong representation of U+07FF', + "\xF0\x8F\xBF\xBFa" => 'Overlong representation of U+FFFF', + + + "a\xDF" => 'Incomplete two byte sequence (missing final byte)', + "a\xEF\xBF" => 'Incomplete three byte sequence (missing final byte)', + "a\xF4\xBF\xBF" => 'Incomplete four byte sequence (missing final byte)', + + // Min/max continuation bytes + "a\x80" => 'Lone 80 continuation byte', + "a\xBF" => 'Lone BF continuation byte', + + // Invalid bytes (these can never occur) + "a\xFE" => 'Invalid FE byte', + "a\xFF" => 'Invalid FF byte', + ); + foreach ($invalidTest as $test => $note) { + $stream = new InputStream($test); + $this->assertEquals('a', $stream->remainingChars(), $note); + } + + // MPB: + // It appears that iconv just leaves these alone. Not sure what to + // do. + /* + $converted = array( + "a\xF5\x90\x80\x80" => 'U+110000, off unicode planes.', + ); + foreach ($converted as $test => $note) { + $stream = new InputStream($test); + $this->assertEquals(2, mb_strlen($stream->remainingChars()), $note); + } + */ + } + + public function testInvalidParseError() { + // C0 controls (except U+0000 and U+000D due to different handling) + $this->invalidParseErrorTestHandler("\x01", 1, 'U+0001 (C0 control)'); + $this->invalidParseErrorTestHandler("\x02", 1, 'U+0002 (C0 control)'); + $this->invalidParseErrorTestHandler("\x03", 1, 'U+0003 (C0 control)'); + $this->invalidParseErrorTestHandler("\x04", 1, 'U+0004 (C0 control)'); + $this->invalidParseErrorTestHandler("\x05", 1, 'U+0005 (C0 control)'); + $this->invalidParseErrorTestHandler("\x06", 1, 'U+0006 (C0 control)'); + $this->invalidParseErrorTestHandler("\x07", 1, 'U+0007 (C0 control)'); + $this->invalidParseErrorTestHandler("\x08", 1, 'U+0008 (C0 control)'); + $this->invalidParseErrorTestHandler("\x09", 0, 'U+0009 (C0 control)'); + $this->invalidParseErrorTestHandler("\x0A", 0, 'U+000A (C0 control)'); + $this->invalidParseErrorTestHandler("\x0B", 1, 'U+000B (C0 control)'); + $this->invalidParseErrorTestHandler("\x0C", 0, 'U+000C (C0 control)'); + $this->invalidParseErrorTestHandler("\x0E", 1, 'U+000E (C0 control)'); + $this->invalidParseErrorTestHandler("\x0F", 1, 'U+000F (C0 control)'); + $this->invalidParseErrorTestHandler("\x10", 1, 'U+0010 (C0 control)'); + $this->invalidParseErrorTestHandler("\x11", 1, 'U+0011 (C0 control)'); + $this->invalidParseErrorTestHandler("\x12", 1, 'U+0012 (C0 control)'); + $this->invalidParseErrorTestHandler("\x13", 1, 'U+0013 (C0 control)'); + $this->invalidParseErrorTestHandler("\x14", 1, 'U+0014 (C0 control)'); + $this->invalidParseErrorTestHandler("\x15", 1, 'U+0015 (C0 control)'); + $this->invalidParseErrorTestHandler("\x16", 1, 'U+0016 (C0 control)'); + $this->invalidParseErrorTestHandler("\x17", 1, 'U+0017 (C0 control)'); + $this->invalidParseErrorTestHandler("\x18", 1, 'U+0018 (C0 control)'); + $this->invalidParseErrorTestHandler("\x19", 1, 'U+0019 (C0 control)'); + $this->invalidParseErrorTestHandler("\x1A", 1, 'U+001A (C0 control)'); + $this->invalidParseErrorTestHandler("\x1B", 1, 'U+001B (C0 control)'); + $this->invalidParseErrorTestHandler("\x1C", 1, 'U+001C (C0 control)'); + $this->invalidParseErrorTestHandler("\x1D", 1, 'U+001D (C0 control)'); + $this->invalidParseErrorTestHandler("\x1E", 1, 'U+001E (C0 control)'); + $this->invalidParseErrorTestHandler("\x1F", 1, 'U+001F (C0 control)'); + + // DEL (U+007F) + $this->invalidParseErrorTestHandler("\x7F", 1, 'U+007F'); + + // C1 Controls + $this->invalidParseErrorTestHandler("\xC2\x80", 1, 'U+0080 (C1 control)'); + $this->invalidParseErrorTestHandler("\xC2\x9F", 1, 'U+009F (C1 control)'); + $this->invalidParseErrorTestHandler("\xC2\xA0", 0, 'U+00A0 (first codepoint above highest C1 control)'); + + // Single UTF-16 surrogates + $this->invalidParseErrorTestHandler("\xED\xA0\x80", 1, 'U+D800 (UTF-16 surrogate character)'); + $this->invalidParseErrorTestHandler("\xED\xAD\xBF", 1, 'U+DB7F (UTF-16 surrogate character)'); + $this->invalidParseErrorTestHandler("\xED\xAE\x80", 1, 'U+DB80 (UTF-16 surrogate character)'); + $this->invalidParseErrorTestHandler("\xED\xAF\xBF", 1, 'U+DBFF (UTF-16 surrogate character)'); + $this->invalidParseErrorTestHandler("\xED\xB0\x80", 1, 'U+DC00 (UTF-16 surrogate character)'); + $this->invalidParseErrorTestHandler("\xED\xBE\x80", 1, 'U+DF80 (UTF-16 surrogate character)'); + $this->invalidParseErrorTestHandler("\xED\xBF\xBF", 1, 'U+DFFF (UTF-16 surrogate character)'); + + // Paired UTF-16 surrogates + $this->invalidParseErrorTestHandler("\xED\xA0\x80\xED\xB0\x80", 2, 'U+D800 U+DC00 (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xA0\x80\xED\xBF\xBF", 2, 'U+D800 U+DFFF (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xAD\xBF\xED\xB0\x80", 2, 'U+DB7F U+DC00 (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xAD\xBF\xED\xBF\xBF", 2, 'U+DB7F U+DFFF (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xAE\x80\xED\xB0\x80", 2, 'U+DB80 U+DC00 (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xAE\x80\xED\xBF\xBF", 2, 'U+DB80 U+DFFF (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xAF\xBF\xED\xB0\x80", 2, 'U+DBFF U+DC00 (paired UTF-16 surrogates)'); + $this->invalidParseErrorTestHandler("\xED\xAF\xBF\xED\xBF\xBF", 2, 'U+DBFF U+DFFF (paired UTF-16 surrogates)'); + + // Charcters surrounding surrogates + $this->invalidParseErrorTestHandler("\xED\x9F\xBF", 0, 'U+D7FF (one codepoint below lowest surrogate codepoint)'); + $this->invalidParseErrorTestHandler("\xEF\xBF\xBD", 0, 'U+DE00 (one codepoint above highest surrogate codepoint)'); + + // Permanent noncharacters + $this->invalidParseErrorTestHandler("\xEF\xB7\x90", 1, 'U+FDD0 (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xEF\xB7\xAF", 1, 'U+FDEF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xEF\xBF\xBE", 1, 'U+FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xEF\xBF\xBF", 1, 'U+FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF0\x9F\xBF\xBE", 1, 'U+1FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF0\x9F\xBF\xBF", 1, 'U+1FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF0\xAF\xBF\xBE", 1, 'U+2FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF0\xAF\xBF\xBF", 1, 'U+2FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF0\xBF\xBF\xBE", 1, 'U+3FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF0\xBF\xBF\xBF", 1, 'U+3FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\x8F\xBF\xBE", 1, 'U+4FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\x8F\xBF\xBF", 1, 'U+4FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\x9F\xBF\xBE", 1, 'U+5FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\x9F\xBF\xBF", 1, 'U+5FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\xAF\xBF\xBE", 1, 'U+6FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\xAF\xBF\xBF", 1, 'U+6FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\xBF\xBF\xBE", 1, 'U+7FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF1\xBF\xBF\xBF", 1, 'U+7FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\x8F\xBF\xBE", 1, 'U+8FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\x8F\xBF\xBF", 1, 'U+8FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\x9F\xBF\xBE", 1, 'U+9FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\x9F\xBF\xBF", 1, 'U+9FFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\xAF\xBF\xBE", 1, 'U+AFFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\xAF\xBF\xBF", 1, 'U+AFFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\xBF\xBF\xBE", 1, 'U+BFFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF2\xBF\xBF\xBF", 1, 'U+BFFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\x8F\xBF\xBE", 1, 'U+CFFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\x8F\xBF\xBF", 1, 'U+CFFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\x9F\xBF\xBE", 1, 'U+DFFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\x9F\xBF\xBF", 1, 'U+DFFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\xAF\xBF\xBE", 1, 'U+EFFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\xAF\xBF\xBF", 1, 'U+EFFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\xBF\xBF\xBE", 1, 'U+FFFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF3\xBF\xBF\xBF", 1, 'U+FFFFF (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF4\x8F\xBF\xBE", 1, 'U+10FFFE (permanent noncharacter)'); + $this->invalidParseErrorTestHandler("\xF4\x8F\xBF\xBF", 1, 'U+10FFFF (permanent noncharacter)'); + } +} |