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// Test aligned read access.
load(libdir + "dataview.js");
// Create a new test function for each scalar type.
function createRead(data) {
const name = typeName(data.type);
const offset = 0;
return Function("data", `
const {values, littleEndian, bigEndian} = data;
// Load from array so that Ion doesn't treat as constants.
const True = [true, 1];
const False = [false, 0];
const ab = new ArrayBuffer(${data.values.length * data.type.BYTES_PER_ELEMENT + offset});
const dv = new DataView(ab);
new ${data.type.name}(ab, 0, ${data.values.length}).set(values);
new Uint8Array(ab).copyWithin(${offset}, 0);
for (let i = 0; i < 100; ++i) {
let j = i % values.length;
let index = j * ${data.type.BYTES_PER_ELEMENT} + ${offset};
let v1 = dv.get${name}(index);
assertEq(v1, bigEndian[j]);
let v2 = dv.get${name}(index, true);
assertEq(v2, littleEndian[j]);
let v3 = dv.get${name}(index, false);
assertEq(v3, bigEndian[j]);
let v4 = dv.get${name}(index, True[i & 1]);
assertEq(v4, littleEndian[j]);
let v5 = dv.get${name}(index, False[i & 1]);
assertEq(v5, bigEndian[j]);
}
`);
}
for (let data of createTestData()) {
let f = createRead(data);
for (let i = 0; i < 2; ++i) {
f(data);
}
}
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