MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
update spec's
+32
+24
examples/spec/buffer.js
+24
examples/spec/buffer.js
···
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test('Uint32Array length', u32.length, 2);
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test('Uint32Array BYTES_PER_ELEMENT', u32.BYTES_PER_ELEMENT, 4);
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const f16 = new Float16Array(4);
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test('Float16Array length', f16.length, 4);
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test('Float16Array byteLength', f16.byteLength, 8);
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test('Float16Array BYTES_PER_ELEMENT', f16.BYTES_PER_ELEMENT, 2);
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test('Float16Array constructor', f16.constructor, Float16Array);
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f16[0] = 1.5;
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f16[1] = -0.5;
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test('Float16Array index read approx positive', Math.abs(f16[0] - 1.5) < 0.001, true);
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test('Float16Array index read approx negative', Math.abs(f16[1] + 0.5) < 0.001, true);
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const i8 = new Int8Array(8);
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test('Int8Array length', i8.length, 8);
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test('Int8Array BYTES_PER_ELEMENT', i8.BYTES_PER_ELEMENT, 1);
···
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const view8 = new Uint8Array(buffer);
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const view16 = new Uint16Array(buffer);
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const view32 = new Uint32Array(buffer);
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const view16f = new Float16Array(buffer);
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test('Uint8Array view length', view8.length, 16);
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test('Uint16Array view length', view16.length, 8);
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test('Uint32Array view length', view32.length, 4);
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test('Float16Array view length', view16f.length, 8);
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const viewWithOffset = new Uint8Array(buffer, 4);
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test('view with offset length', viewWithOffset.length, 12);
···
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const subarrayed = original.subarray(2, 8);
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test('TypedArray subarray length', subarrayed.length, 6);
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test('TypedArray subarray byteOffset', subarrayed.byteOffset, 2);
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const f16Source = new Float16Array([1.5, -0.5, 2.25, 4.5]);
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const f16Sliced = f16Source.slice(1, 3);
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test('Float16Array slice length', f16Sliced.length, 2);
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test('Float16Array slice first approx', Math.abs(f16Sliced[0] + 0.5) < 0.001, true);
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test('Float16Array slice second approx', Math.abs(f16Sliced[1] - 2.25) < 0.001, true);
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const f16Cloned = structuredClone(f16Source);
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test('Float16Array structuredClone constructor', f16Cloned.constructor, Float16Array);
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test('Float16Array structuredClone distinct', f16Cloned !== f16Source, true);
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test('Float16Array structuredClone first approx', Math.abs(f16Cloned[0] - 1.5) < 0.001, true);
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test('Float16Array structuredClone second approx', Math.abs(f16Cloned[1] + 0.5) < 0.001, true);
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test('Buffer.isBuffer with Buffer', Buffer.isBuffer(Buffer.from('test')), true);
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test('Buffer.isBuffer with string', Buffer.isBuffer('test'), false);
+8
examples/spec/response.js
+8
examples/spec/response.js
···
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testThrows('Response.json rejects symbol', () => Response.json(Symbol('x')));
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testThrows('Response.json null body status rejects', () => Response.json('x', { status: 204 }));
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const f16Body = new Float16Array([1.5, -0.5, 2.25]);
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const f16Res = new Response(f16Body);
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const f16Bytes = await f16Res.bytes();
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const f16Expected = Array.from(new Uint8Array(f16Body.buffer, f16Body.byteOffset, f16Body.byteLength)).join(',');
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test('Response bytes from Float16Array type', f16Bytes.constructor, Uint8Array);
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test('Response bytes from Float16Array length', f16Bytes.byteLength, f16Body.byteLength);
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test('Response bytes from Float16Array raw copy', Array.from(f16Bytes).join(','), f16Expected);
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const redirectRes = Response.redirect('https://example.com/next', 301);
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test('Response.redirect status', redirectRes.status, 301);
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test('Response.redirect location', redirectRes.headers.get('location'), 'https://example.com/next');