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[bun:ffi] Add f32, f64, i64, u64 to read`

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This commit is contained in:
Jarred Sumner
2022-09-09 18:10:36 -07:00
parent 0c2a207d82
commit f496740c19
8 changed files with 322 additions and 12 deletions
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13
test/bun.js/ffi.test.js
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@@ -611,11 +611,11 @@ function ffiRunner(fast) {
// });
it("read", () => {
const buffer = new BigInt64Array(64);
const buffer = new BigInt64Array(16);
const dataView = new DataView(buffer.buffer);
const addr = ptr(buffer);
for (let i = 0; i < 64; i++) {
for (let i = 0; i < buffer.length; i++) {
buffer[i] = BigInt(i);
expect(read.intptr(addr, i * 8)).toBe(
Number(dataView.getBigInt64(i * 8, true))
@@ -623,15 +623,24 @@ it("read", () => {
expect(read.ptr(addr, i * 8)).toBe(
Number(dataView.getBigUint64(i * 8, true))
);
expect(read.f64(addr, i + 8)).toBe(dataView.getFloat64(i + 8, true));
expect(read.i64(addr, i * 8)).toBe(dataView.getBigInt64(i * 8, true));
expect(read.u64(addr, i * 8)).toBe(dataView.getBigUint64(i * 8, true));
}
for (let i = 0; i < buffer.byteLength - 4; i++) {
// read is intended to behave like DataView
// but instead of doing
// new DataView(toArrayBuffer(myPtr)).getInt8(0, true)
// you can do
// read.i8(myPtr, 0)
expect(read.i8(addr, i)).toBe(dataView.getInt8(i, true));
expect(read.i16(addr, i)).toBe(dataView.getInt16(i, true));
expect(read.i32(addr, i)).toBe(dataView.getInt32(i, true));
expect(read.u8(addr, i)).toBe(dataView.getUint8(i, true));
expect(read.u16(addr, i)).toBe(dataView.getUint16(i, true));
expect(read.u32(addr, i)).toBe(dataView.getUint32(i, true));
expect(read.f32(addr, i)).toBe(dataView.getFloat32(i, true));
}
});