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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/buffer/test/from-string.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
switch to vuepress
Diffstat (limited to 'node_modules/buffer/test/from-string.js')
| -rw-r--r-- | node_modules/buffer/test/from-string.js | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/node_modules/buffer/test/from-string.js b/node_modules/buffer/test/from-string.js new file mode 100644 index 00000000..e25db269 --- /dev/null +++ b/node_modules/buffer/test/from-string.js @@ -0,0 +1,132 @@ +if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false +var B = require('../').Buffer +var test = require('tape') + +test('detect utf16 surrogate pairs', function (t) { + var text = '\uD83D\uDE38' + '\uD83D\uDCAD' + '\uD83D\uDC4D' + var buf = new B(text) + t.equal(text, buf.toString()) + t.end() +}) + +test('detect utf16 surrogate pairs over U+20000 until U+10FFFF', function (t) { + var text = '\uD842\uDFB7' + '\uD93D\uDCAD' + '\uDBFF\uDFFF' + var buf = new B(text) + t.equal(text, buf.toString()) + t.end() +}) + +test('replace orphaned utf16 surrogate lead code point', function (t) { + var text = '\uD83D\uDE38' + '\uD83D' + '\uD83D\uDC4D' + var buf = new B(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xef, 0xbf, 0xbd, 0xf0, 0x9f, 0x91, 0x8d ])) + t.end() +}) + +test('replace orphaned utf16 surrogate trail code point', function (t) { + var text = '\uD83D\uDE38' + '\uDCAD' + '\uD83D\uDC4D' + var buf = new B(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xef, 0xbf, 0xbd, 0xf0, 0x9f, 0x91, 0x8d ])) + t.end() +}) + +test('do not write partial utf16 code units', function (t) { + var f = new B([0, 0, 0, 0, 0]) + t.equal(f.length, 5) + var size = f.write('あいうえお', 'utf16le') + t.equal(size, 4) + t.deepEqual(f, new B([0x42, 0x30, 0x44, 0x30, 0x00])) + t.end() +}) + +test('handle partial utf16 code points when encoding to utf8 the way node does', function (t) { + var text = '\uD83D\uDE38' + '\uD83D\uDC4D' + + var buf = new B(8) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xf0, 0x9f, 0x91, 0x8d ])) + + buf = new B(7) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00, 0x00, 0x00 ])) + + buf = new B(6) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00, 0x00 ])) + + buf = new B(5) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00 ])) + + buf = new B(4) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8 ])) + + buf = new B(3) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x00, 0x00, 0x00 ])) + + buf = new B(2) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x00, 0x00 ])) + + buf = new B(1) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x00 ])) + + t.end() +}) + +test('handle invalid utf16 code points when encoding to utf8 the way node does', function (t) { + var text = 'a' + '\uDE38\uD83D' + 'b' + + var buf = new B(8) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd, 0x62 ])) + + buf = new B(7) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd ])) + + buf = new B(6) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0x00, 0x00 ])) + + buf = new B(5) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0x00 ])) + + buf = new B(4) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd ])) + + buf = new B(3) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0x00, 0x00 ])) + + buf = new B(2) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61, 0x00 ])) + + buf = new B(1) + buf.fill(0) + buf.write(text) + t.deepEqual(buf, new B([ 0x61 ])) + + t.end() +}) |
