7c74a9caea
Maintaining an AST class just for testing constant exressions does not seem justified. This CL changes constant expressions in mjsunit tests to be represented with bytes, like regular expressions. Change-Id: If5ec5f4d863176952442b1a7e2fec8a61e385971 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3714237 Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Cr-Commit-Position: refs/heads/main@{#81266}
91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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(function exportImmutableGlobal() {
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var builder = new WasmModuleBuilder();
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let globals = [
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[kWasmI32, 'i32', 4711, wasmI32Const(4711)],
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[kWasmF32, 'f32', Math.fround(3.14), wasmF32Const(Math.fround(3.14))],
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[kWasmF64, 'f64', 1/7, wasmF64Const(1 / 7)]
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];
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for (let [type, name, value, bytes] of globals) {
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builder.addGlobal(type, false, bytes).exportAs(name);
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}
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var instance = builder.instantiate();
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for (let [type, name, value, bytes] of globals) {
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let obj = instance.exports[name];
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assertEquals("object", typeof obj, name);
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assertTrue(obj instanceof WebAssembly.Global, name);
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assertEquals(value || 0, obj.value, name);
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assertThrows(() => obj.value = 0);
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}
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})();
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(function canExportI64Global() {
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var builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI64, false).exportAs('g');
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builder.instantiate();
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})();
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(function canExportAndImportI64() {
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var builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI64, false).exportAs('g');
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let g = builder.instantiate().exports.g;
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builder = new WasmModuleBuilder();
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builder.addImportedGlobal("mod", "g", kWasmI64);
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builder.instantiate({mod: {g: g}});
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})();
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(function exportMutableGlobal() {
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var builder = new WasmModuleBuilder();
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let globals = [
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[kWasmI32, 'i32', 4711, wasmI32Const(4711)],
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[kWasmF32, 'f32', Math.fround(3.14), wasmF32Const(Math.fround(3.14))],
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[kWasmF64, 'f64', 1/7, wasmF64Const(1 / 7)]
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];
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for (let [index, [type, name, value, bytes]] of globals.entries()) {
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builder.addGlobal(type, true, bytes).exportAs(name);
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builder.addFunction("get " + name, makeSig([], [type]))
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.addBody([kExprGlobalGet, index])
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.exportFunc();
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builder.addFunction("set " + name, makeSig([type], []))
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.addBody([kExprLocalGet, 0, kExprGlobalSet, index])
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.exportFunc();
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}
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var instance = builder.instantiate();
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for (let [type, name, value, bytes] of globals) {
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let obj = instance.exports[name];
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assertEquals(value || 0, obj.value, name);
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// Changing the exported global should change the instance's global.
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obj.value = 1001;
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assertEquals(1001, instance.exports['get ' + name](), name);
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// Changing the instance's global should change the exported global.
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instance.exports['set ' + name](112358);
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assertEquals(112358, obj.value, name);
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}
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})();
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(function exportImportedMutableGlobal() {
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let builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI32, true).exportAs('g1');
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let g1 = builder.instantiate().exports.g1;
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builder = new WasmModuleBuilder();
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builder.addImportedGlobal("mod", "g1", kWasmI32, true);
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builder.addExportOfKind('g2', kExternalGlobal, 0);
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let g2 = builder.instantiate({mod: {g1: g1}}).exports.g2;
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g1.value = 123;
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assertEquals(g1.value, g2.value);
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})();
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