mirror of
https://github.com/codedread/bitjs
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58 lines
1.6 KiB
HTML
58 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Unit tests for bitjs.io.ByteBufferBitStream</title>
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</head>
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<body>
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<script type="module">
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import { ByteBuffer } from '../io/bytebuffer.js';
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import { ByteStream } from '../io/bytestream.js';
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import { assertEquals, assertThrows, runTests } from './muther.js';
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// TODO: Only test ByteBuffer here.
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let buffer;
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runTests({
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setUp: function() {
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buffer = new ByteBuffer(4);
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},
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tests: {
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testWrite_SingleByte() {
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buffer.writeNumber(192, 1);
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assertEquals(1, buffer.ptr);
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},
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testWrite_SingleByteNegativeNumber() {
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buffer.writeSignedNumber(-120, 1);
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assertEquals(1, buffer.ptr);
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},
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testWrite_MultiByteNumber() {
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buffer.writeNumber(1234, 4);
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const stream = new ByteStream(buffer.data.buffer);
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assertEquals(4, buffer.ptr);
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},
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testWrite_MultiByteNegativeNumber() {
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buffer.writeSignedNumber(-1234, 4);
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assertEquals(4, buffer.ptr);
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},
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testWriteOverflowUnsigned() {
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assertThrows(() => buffer.writeNumber(256, 1),
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'Did not throw when trying to write a number into too-few bytes');
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},
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testWriteOverflowSignedPositive() {
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assertThrows(() => buffer.writeSignedNumber(128, 1),
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'Did not throw when trying to write a signed number into too-few bytes');
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},
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testWriteOverflowSignedNegative() {
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assertThrows(() => buffer.writeSignedNumber(-129, 1),
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'Did not throw when trying to write a negative signed number into too-few bytes');
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},
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},
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});
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</script>
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</body>
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</html>
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