encodeInto.any.js (4874B)
1 // META: global=window,worker 2 // META: script=/common/sab.js 3 4 [ 5 { 6 "input": "Hi", 7 "read": 0, 8 "destinationLength": 0, 9 "written": [] 10 }, 11 { 12 "input": "A", 13 "read": 1, 14 "destinationLength": 10, 15 "written": [0x41] 16 }, 17 { 18 "input": "\u{1D306}", // "\uD834\uDF06" 19 "read": 2, 20 "destinationLength": 4, 21 "written": [0xF0, 0x9D, 0x8C, 0x86] 22 }, 23 { 24 "input": "\u{1D306}A", 25 "read": 0, 26 "destinationLength": 3, 27 "written": [] 28 }, 29 { 30 "input": "\uD834A\uDF06A¥Hi", 31 "read": 5, 32 "destinationLength": 10, 33 "written": [0xEF, 0xBF, 0xBD, 0x41, 0xEF, 0xBF, 0xBD, 0x41, 0xC2, 0xA5] 34 }, 35 { 36 "input": "A\uDF06", 37 "read": 2, 38 "destinationLength": 4, 39 "written": [0x41, 0xEF, 0xBF, 0xBD] 40 }, 41 { 42 "input": "¥¥", 43 "read": 2, 44 "destinationLength": 4, 45 "written": [0xC2, 0xA5, 0xC2, 0xA5] 46 } 47 ].forEach(testData => { 48 [ 49 { 50 "bufferIncrease": 0, 51 "destinationOffset": 0, 52 "filler": 0 53 }, 54 { 55 "bufferIncrease": 10, 56 "destinationOffset": 4, 57 "filler": 0 58 }, 59 { 60 "bufferIncrease": 0, 61 "destinationOffset": 0, 62 "filler": 0x80 63 }, 64 { 65 "bufferIncrease": 10, 66 "destinationOffset": 4, 67 "filler": 0x80 68 }, 69 { 70 "bufferIncrease": 0, 71 "destinationOffset": 0, 72 "filler": "random" 73 }, 74 { 75 "bufferIncrease": 10, 76 "destinationOffset": 4, 77 "filler": "random" 78 } 79 ].forEach(destinationData => { 80 ["ArrayBuffer", "SharedArrayBuffer"].forEach(arrayBufferOrSharedArrayBuffer => { 81 test(() => { 82 // Setup 83 const bufferLength = testData.destinationLength + destinationData.bufferIncrease; 84 const destinationOffset = destinationData.destinationOffset; 85 const destinationLength = testData.destinationLength; 86 const destinationFiller = destinationData.filler; 87 const encoder = new TextEncoder(); 88 const buffer = createBuffer(arrayBufferOrSharedArrayBuffer, bufferLength); 89 const view = new Uint8Array(buffer, destinationOffset, destinationLength); 90 const fullView = new Uint8Array(buffer); 91 const control = new Array(bufferLength); 92 let byte = destinationFiller; 93 for (let i = 0; i < bufferLength; i++) { 94 if (destinationFiller === "random") { 95 byte = Math.floor(Math.random() * 256); 96 } 97 control[i] = byte; 98 fullView[i] = byte; 99 } 100 101 // It's happening 102 const result = encoder.encodeInto(testData.input, view); 103 104 // Basics 105 assert_equals(view.byteLength, destinationLength); 106 assert_equals(view.length, destinationLength); 107 108 // Remainder 109 assert_equals(result.read, testData.read); 110 assert_equals(result.written, testData.written.length); 111 for (let i = 0; i < bufferLength; i++) { 112 if (i < destinationOffset || i >= (destinationOffset + testData.written.length)) { 113 assert_equals(fullView[i], control[i]); 114 } else { 115 assert_equals(fullView[i], testData.written[i - destinationOffset]); 116 } 117 } 118 }, "encodeInto() into " + arrayBufferOrSharedArrayBuffer + " with " + testData.input + " and destination length " + testData.destinationLength + ", offset " + destinationData.destinationOffset + ", filler " + destinationData.filler); 119 }) 120 }); 121 }); 122 123 ["DataView", 124 "Int8Array", 125 "Int16Array", 126 "Int32Array", 127 "Uint16Array", 128 "Uint32Array", 129 "Uint8ClampedArray", 130 "BigInt64Array", 131 "BigUint64Array", 132 "Float16Array", 133 "Float32Array", 134 "Float64Array"].forEach(type => { 135 ["ArrayBuffer", "SharedArrayBuffer"].forEach((arrayBufferOrSharedArrayBuffer) => { 136 test(() => { 137 const viewInstance = new self[type](createBuffer(arrayBufferOrSharedArrayBuffer, 0)); 138 assert_throws_js(TypeError, () => new TextEncoder().encodeInto("", viewInstance)); 139 }, "Invalid encodeInto() destination: " + type + ", backed by: " + arrayBufferOrSharedArrayBuffer); 140 }); 141 }); 142 143 ["ArrayBuffer", "SharedArrayBuffer"].forEach((arrayBufferOrSharedArrayBuffer) => { 144 test(() => { 145 assert_throws_js(TypeError, () => new TextEncoder().encodeInto("", createBuffer(arrayBufferOrSharedArrayBuffer, 10))); 146 }, "Invalid encodeInto() destination: " + arrayBufferOrSharedArrayBuffer); 147 }); 148 149 test(() => { 150 const buffer = new ArrayBuffer(10), 151 view = new Uint8Array(buffer); 152 let { read, written } = new TextEncoder().encodeInto("", view); 153 assert_equals(read, 0); 154 assert_equals(written, 0); 155 new MessageChannel().port1.postMessage(buffer, [buffer]); 156 ({ read, written } = new TextEncoder().encodeInto("", view)); 157 assert_equals(read, 0); 158 assert_equals(written, 0); 159 ({ read, written } = new TextEncoder().encodeInto("test", view)); 160 assert_equals(read, 0); 161 assert_equals(written, 0); 162 }, "encodeInto() and a detached output buffer");