dart-sdk/tests/lib/wasm/numerics_test.dart
Liam Appelbe 89dbc35fca [wasm] Wasm function imports.
I switched from a WasmImports object to a builder pattern:
module.instantiate().addMemory(...).addFunction(...).build();

Bug: https://github.com/dart-lang/sdk/issues/37882
Change-Id: I381aa0f7df1fa006ce8d051cd5b4a1bcc1835e46
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/167460
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Liam Appelbe <liama@google.com>
2020-10-16 23:16:42 +00:00

50 lines
2.1 KiB
Dart

// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Test numeric types.
import "package:expect/expect.dart";
import "package:wasm/wasm.dart";
import "dart:typed_data";
void main() {
// int64_t addI64(int64_t x, int64_t y) { return x + y; }
// int32_t addI32(int32_t x, int32_t y) { return x + y; }
// double addF64(double x, double y) { return x + y; }
// float addF32(float x, float y) { return x + y; }
var data = Uint8List.fromList([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x19, 0x04, 0x60,
0x02, 0x7e, 0x7e, 0x01, 0x7e, 0x60, 0x02, 0x7f, 0x7f, 0x01, 0x7f, 0x60,
0x02, 0x7c, 0x7c, 0x01, 0x7c, 0x60, 0x02, 0x7d, 0x7d, 0x01, 0x7d, 0x03,
0x05, 0x04, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x01, 0x70, 0x01, 0x01,
0x01, 0x05, 0x03, 0x01, 0x00, 0x02, 0x06, 0x08, 0x01, 0x7f, 0x01, 0x41,
0x80, 0x88, 0x04, 0x0b, 0x07, 0x2e, 0x05, 0x06, 0x6d, 0x65, 0x6d, 0x6f,
0x72, 0x79, 0x02, 0x00, 0x06, 0x61, 0x64, 0x64, 0x49, 0x36, 0x34, 0x00,
0x00, 0x06, 0x61, 0x64, 0x64, 0x49, 0x33, 0x32, 0x00, 0x01, 0x06, 0x61,
0x64, 0x64, 0x46, 0x36, 0x34, 0x00, 0x02, 0x06, 0x61, 0x64, 0x64, 0x46,
0x33, 0x32, 0x00, 0x03, 0x0a, 0x21, 0x04, 0x07, 0x00, 0x20, 0x01, 0x20,
0x00, 0x7c, 0x0b, 0x07, 0x00, 0x20, 0x01, 0x20, 0x00, 0x6a, 0x0b, 0x07,
0x00, 0x20, 0x00, 0x20, 0x01, 0xa0, 0x0b, 0x07, 0x00, 0x20, 0x00, 0x20,
0x01, 0x92, 0x0b,
]);
var inst = WasmModule(data).instantiate().build();
var addI64 = inst.lookupFunction("addI64");
var addI32 = inst.lookupFunction("addI32");
var addF64 = inst.lookupFunction("addF64");
var addF32 = inst.lookupFunction("addF32");
int i64 = addI64(0x123456789ABCDEF, 0xFEDCBA987654321);
Expect.equals(0x1111111111111110, i64);
int i32 = addI32(0xABCDEF, 0xFEDCBA);
Expect.equals(0x1aaaaa9, i32);
double f64 = addF64(1234.5678, 8765.4321);
Expect.approxEquals(9999.9999, f64, 1e-6);
double f32 = addF32(1234.5678, 8765.4321);
Expect.approxEquals(9999.9999, f32, 1e-3);
}