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// META: global=window,worker
// META: script=/common/sab.js
[
{
"input": "Hi",
"read": 0,
"destinationLength": 0,
"written": []
},
{
"input": "A",
"read": 1,
"destinationLength": 10,
"written": [0x41]
},
{
"input": "\u{1D306}", // "\uD834\uDF06"
"read": 2,
"destinationLength": 4,
"written": [0xF0, 0x9D, 0x8C, 0x86]
},
{
"input": "\u{1D306}A",
"read": 0,
"destinationLength": 3,
"written": []
},
{
"input": "\uD834A\uDF06A¥Hi",
"read": 5,
"destinationLength": 10,
"written": [0xEF, 0xBF, 0xBD, 0x41, 0xEF, 0xBF, 0xBD, 0x41, 0xC2, 0xA5]
},
{
"input": "A\uDF06",
"read": 2,
"destinationLength": 4,
"written": [0x41, 0xEF, 0xBF, 0xBD]
},
{
"input": "¥¥",
"read": 2,
"destinationLength": 4,
"written": [0xC2, 0xA5, 0xC2, 0xA5]
}
].forEach(testData => {
[
{
"bufferIncrease": 0,
"destinationOffset": 0,
"filler": 0
},
{
"bufferIncrease": 10,
"destinationOffset": 4,
"filler": 0
},
{
"bufferIncrease": 0,
"destinationOffset": 0,
"filler": 0x80
},
{
"bufferIncrease": 10,
"destinationOffset": 4,
"filler": 0x80
},
{
"bufferIncrease": 0,
"destinationOffset": 0,
"filler": "random"
},
{
"bufferIncrease": 10,
"destinationOffset": 4,
"filler": "random"
}
].forEach(destinationData => {
["ArrayBuffer", "SharedArrayBuffer"].forEach(arrayBufferOrSharedArrayBuffer => {
test(() => {
// Setup
const bufferLength = testData.destinationLength + destinationData.bufferIncrease;
const destinationOffset = destinationData.destinationOffset;
const destinationLength = testData.destinationLength;
const destinationFiller = destinationData.filler;
const encoder = new TextEncoder();
const buffer = createBuffer(arrayBufferOrSharedArrayBuffer, bufferLength);
const view = new Uint8Array(buffer, destinationOffset, destinationLength);
const fullView = new Uint8Array(buffer);
const control = new Array(bufferLength);
let byte = destinationFiller;
for (let i = 0; i < bufferLength; i++) {
if (destinationFiller === "random") {
byte = Math.floor(Math.random() * 256);
}
control[i] = byte;
fullView[i] = byte;
}
// It's happening
const result = encoder.encodeInto(testData.input, view);
// Basics
assert_equals(view.byteLength, destinationLength);
assert_equals(view.length, destinationLength);
// Remainder
assert_equals(result.read, testData.read);
assert_equals(result.written, testData.written.length);
for (let i = 0; i < bufferLength; i++) {
if (i < destinationOffset || i >= (destinationOffset + testData.written.length)) {
assert_equals(fullView[i], control[i]);
} else {
assert_equals(fullView[i], testData.written[i - destinationOffset]);
}
}
}, "encodeInto() into " + arrayBufferOrSharedArrayBuffer + " with " + testData.input + " and destination length " + testData.destinationLength + ", offset " + destinationData.destinationOffset + ", filler " + destinationData.filler);
})
});
});
["DataView",
"Int8Array",
"Int16Array",
"Int32Array",
"Uint16Array",
"Uint32Array",
"Uint8ClampedArray",
"BigInt64Array",
"BigUint64Array",
"Float16Array",
"Float32Array",
"Float64Array"].forEach(type => {
["ArrayBuffer", "SharedArrayBuffer"].forEach((arrayBufferOrSharedArrayBuffer) => {
test(() => {
const viewInstance = new self[type](createBuffer(arrayBufferOrSharedArrayBuffer, 0));
assert_throws_js(TypeError, () => new TextEncoder().encodeInto("", viewInstance));
}, "Invalid encodeInto() destination: " + type + ", backed by: " + arrayBufferOrSharedArrayBuffer);
});
});
["ArrayBuffer", "SharedArrayBuffer"].forEach((arrayBufferOrSharedArrayBuffer) => {
test(() => {
assert_throws_js(TypeError, () => new TextEncoder().encodeInto("", createBuffer(arrayBufferOrSharedArrayBuffer, 10)));
}, "Invalid encodeInto() destination: " + arrayBufferOrSharedArrayBuffer);
});
test(() => {
const buffer = new ArrayBuffer(10),
view = new Uint8Array(buffer);
let { read, written } = new TextEncoder().encodeInto("", view);
assert_equals(read, 0);
assert_equals(written, 0);
new MessageChannel().port1.postMessage(buffer, [buffer]);
({ read, written } = new TextEncoder().encodeInto("", view));
assert_equals(read, 0);
assert_equals(written, 0);
({ read, written } = new TextEncoder().encodeInto("test", view));
assert_equals(read, 0);
assert_equals(written, 0);
}, "encodeInto() and a detached output buffer");
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