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4c4af643e5
PR-URL: https://github.com/nodejs/node/pull/17489 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
// Copyright 2017 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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// Flags: --wasm-lazy-compilation
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load('test/mjsunit/wasm/wasm-constants.js');
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load('test/mjsunit/wasm/wasm-module-builder.js');
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(function importFromOtherInstance() {
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print(arguments.callee.name);
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const builder1 = new WasmModuleBuilder();
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builder1.addFunction('func', kSig_v_v).addBody([]).exportFunc();
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const instance1 = builder1.instantiate();
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const builder2 = new WasmModuleBuilder();
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builder2.addImport('mod', 'fn', kSig_v_v);
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builder2.instantiate({mod: {fn: instance1.exports.func}});
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})();
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(function testWasmToWasmWithDifferentMemory() {
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print(arguments.callee.name);
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const builder1 = new WasmModuleBuilder();
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builder1.addMemory(1, 1, true);
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builder1.addFunction('store', kSig_v_i)
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.addBody([
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kExprI32Const, 0, // i32.const 1
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kExprGetLocal, 0, // get_local 0
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kExprI32StoreMem, 0, 0, // i32.store offset=0 align=0
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])
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.exportFunc();
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const instance1 = builder1.instantiate();
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const mem1 = new Int32Array(instance1.exports.memory.buffer);
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const builder2 = new WasmModuleBuilder();
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builder2.addMemory(1, 1, true);
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builder2.addImport('mod', 'store', kSig_v_i);
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builder2.addFunction('call_store', kSig_v_i)
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.addBody([kExprGetLocal, 0, kExprCallFunction, 0])
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.exportFunc();
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const instance2 = builder2.instantiate({mod: {store: instance1.exports.store}});
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const mem2 = new Int32Array(instance2.exports.memory.buffer);
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assertEquals(0, mem1[0]);
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assertEquals(0, mem2[0]);
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instance2.exports.call_store(3);
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assertEquals(3, mem1[0]);
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assertEquals(0, mem2[0]);
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})();
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(function exportImportedFunction() {
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print(arguments.callee.name);
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const builder1 = new WasmModuleBuilder();
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builder1.addFunction('foo', kSig_v_v).addBody([]).exportAs('foo');
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const instance1 = builder1.instantiate();
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const builder2 = new WasmModuleBuilder();
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const imp_idx = builder2.addImport('A', 'foo', kSig_v_v);
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builder2.addExport('foo', imp_idx);
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const instance2 = builder2.instantiate({A: instance1.exports});
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instance2.exports.foo();
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})();
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