forked from mirrors/gecko-dev
1f0cfc2bbe
Automatic update from web-platform-testsMoving some encoding files from .html to .any.js -- Generalized test -- converted some encoding tests to use any.js -- wpt-commits: e44b8b3dae4f0f0c874ef0b2a89290d0dd32dcdd, 12b30f56e3dddb896d343a6b6331cd25d3740e1d, dfa045c04225bbd6c1d7b6c1512f446948c12deb wpt-pr: 11930
52 lines
2 KiB
JavaScript
52 lines
2 KiB
JavaScript
// META: title=Encoding API: Basics
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test(function() {
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assert_equals((new TextEncoder).encoding, 'utf-8', 'default encoding is utf-8');
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assert_equals((new TextDecoder).encoding, 'utf-8', 'default encoding is utf-8');
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}, 'Default encodings');
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test(function() {
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assert_array_equals(new TextEncoder().encode(), [], 'input default should be empty string')
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assert_array_equals(new TextEncoder().encode(undefined), [], 'input default should be empty string')
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}, 'Default inputs');
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function testDecodeSample(encoding, string, bytes) {
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test(function() {
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assert_equals(new TextDecoder(encoding).decode(new Uint8Array(bytes)), string);
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assert_equals(new TextDecoder(encoding).decode(new Uint8Array(bytes).buffer), string);
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}, 'Decode sample: ' + encoding);
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}
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// z (ASCII U+007A), cent (Latin-1 U+00A2), CJK water (BMP U+6C34),
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// G-Clef (non-BMP U+1D11E), PUA (BMP U+F8FF), PUA (non-BMP U+10FFFD)
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// byte-swapped BOM (non-character U+FFFE)
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var sample = 'z\xA2\u6C34\uD834\uDD1E\uF8FF\uDBFF\uDFFD\uFFFE';
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test(function() {
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var encoding = 'utf-8';
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var string = sample;
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var bytes = [0x7A, 0xC2, 0xA2, 0xE6, 0xB0, 0xB4, 0xF0, 0x9D, 0x84, 0x9E, 0xEF, 0xA3, 0xBF, 0xF4, 0x8F, 0xBF, 0xBD, 0xEF, 0xBF, 0xBE];
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var encoded = new TextEncoder().encode(string);
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assert_array_equals([].slice.call(encoded), bytes);
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assert_equals(new TextDecoder(encoding).decode(new Uint8Array(bytes)), string);
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assert_equals(new TextDecoder(encoding).decode(new Uint8Array(bytes).buffer), string);
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}, 'Encode/decode round trip: utf-8');
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testDecodeSample(
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'utf-16le',
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sample,
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[0x7A, 0x00, 0xA2, 0x00, 0x34, 0x6C, 0x34, 0xD8, 0x1E, 0xDD, 0xFF, 0xF8, 0xFF, 0xDB, 0xFD, 0xDF, 0xFE, 0xFF]
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);
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testDecodeSample(
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'utf-16be',
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sample,
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[0x00, 0x7A, 0x00, 0xA2, 0x6C, 0x34, 0xD8, 0x34, 0xDD, 0x1E, 0xF8, 0xFF, 0xDB, 0xFF, 0xDF, 0xFD, 0xFF, 0xFE]
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);
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testDecodeSample(
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'utf-16',
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sample,
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[0x7A, 0x00, 0xA2, 0x00, 0x34, 0x6C, 0x34, 0xD8, 0x1E, 0xDD, 0xFF, 0xF8, 0xFF, 0xDB, 0xFD, 0xDF, 0xFE, 0xFF]
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);
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