/**
* Simple test to verify WASM matrix operations work
*/
const fs = require('fs');
const path = require('path');
async function test() {
const wasmPath = path.join(__dirname, '../build/release.wasm');
const wasmBuffer = fs.readFileSync(wasmPath);
// Create memory (256 pages = 16MB)
const wasmModule = await WebAssembly.instantiate(wasmBuffer, {
env: {
abort: () => { throw new Error('abort'); }
}
});
const wasm = wasmModule.instance.exports;
const memory = wasm.memory;
console.log('WASM loaded successfully');
console.log('Exports:', Object.keys(wasm).filter(k => !k.startsWith('_')));
// Test simple 2x2 multiplication
// A = [[1, 2], [3, 4]]
// B = [[5, 6], [7, 8]]
// C should be [[19, 22], [43, 50]]
const aData = [1, 2, 3, 4];
const bData = [5, 6, 7, 8];
const cData = [0, 0, 0, 0];
// Allocate at offset 1024 (after first page)
const aPtr = 1024;
const bPtr = 1024 + 32; // 4 * 8 bytes
const cPtr = 1024 + 64;
// Write data
const view = new Float64Array(memory.buffer);
view[aPtr / 8] = 1;
view[aPtr / 8 + 1] = 2;
view[aPtr / 8 + 2] = 3;
view[aPtr / 8 + 3] = 4;
view[bPtr / 8] = 5;
view[bPtr / 8 + 1] = 6;
view[bPtr / 8 + 2] = 7;
view[bPtr / 8 + 3] = 8;
console.log('\nInput A:', [view[aPtr / 8], view[aPtr / 8 + 1], view[aPtr / 8 + 2], view[aPtr / 8 + 3]]);
console.log('Input B:', [view[bPtr / 8], view[bPtr / 8 + 1], view[bPtr / 8 + 2], view[bPtr / 8 + 3]]);
// Call WASM
wasm.multiplySquareRaw(aPtr, bPtr, cPtr, 2);
console.log('Output C:', [view[cPtr / 8], view[cPtr / 8 + 1], view[cPtr / 8 + 2], view[cPtr / 8 + 3]]);
console.log('Expected: [19, 22, 43, 50]');
// Verify
const expected = [19, 22, 43, 50];
let passed = true;
for (let i = 0; i < 4; i++) {
if (Math.abs(view[cPtr / 8 + i] - expected[i]) > 0.0001) {
passed = false;
console.error(`Mismatch at index ${i}: got ${view[cPtr / 8 + i]}, expected ${expected[i]}`);
}
}
if (passed) {
console.log('\n✓ Test passed!');
} else {
console.error('\n✗ Test failed');
process.exit(1);
}
}
test().catch(err => {
console.error('Error:', err);
process.exit(1);
});
