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124 lines
3.3 KiB
124 lines
3.3 KiB
// Copyright 2016 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: --expose-wasm
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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 instantiate(sig, body) {
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var builder = new WasmModuleBuilder();
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var func = builder.addFunction("", sig)
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.addBody(body);
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builder.addStart(func.index);
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return builder.instantiate();
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}
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function assertVerifies(sig, body) {
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var module = instantiate(sig, body);
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assertFalse(module === undefined);
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assertFalse(module === null);
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assertFalse(module === 0);
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assertEquals("object", typeof module);
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return module;
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}
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assertVerifies(kSig_v_v, [kExprNop]);
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// Arguments aren't allow to start functions.
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assertThrows(() => {instantiate(kSig_i_i, [kExprGetLocal, 0]);});
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assertThrows(() => {instantiate(kSig_i_ii, [kExprGetLocal, 0]);});
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assertThrows(() => {instantiate(kSig_i_dd, [kExprGetLocal, 0]);});
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assertThrows(() => {instantiate(kSig_i_v, [kExprI32Const, 0]);});
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(function testInvalidIndex() {
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print("testInvalidIndex");
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var builder = new WasmModuleBuilder();
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var func = builder.addFunction("", kSig_v_v)
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.addBody([kExprNop]);
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builder.addStart(func.index + 1);
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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'WebAssembly.Module(): Wasm decoding failed: ' +
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'function index 1 out of bounds (1 entry) @+20');
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})();
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(function testTwoStartFuncs() {
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print("testTwoStartFuncs");
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var builder = new WasmModuleBuilder();
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var func = builder.addFunction("", kSig_v_v)
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.addBody([kExprNop]);
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builder.addExplicitSection([kStartSectionCode, 0]);
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builder.addExplicitSection([kStartSectionCode, 0]);
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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'WebAssembly.Module(): Wasm decoding failed: ' +
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'unexpected section: Start @+27');
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})();
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(function testRun1() {
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print("testRun1");
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var builder = new WasmModuleBuilder();
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builder.addMemory(12, 12, true);
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var func = builder.addFunction("", kSig_v_v)
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.addBody([kExprI32Const, 0, kExprI32Const, 55, kExprI32StoreMem, 0, 0]);
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builder.addStart(func.index);
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var module = builder.instantiate();
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var memory = module.exports.memory.buffer;
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var view = new Int8Array(memory);
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assertEquals(55, view[0]);
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})();
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(function testRun2() {
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print("testRun2");
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var builder = new WasmModuleBuilder();
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builder.addMemory(12, 12, true);
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var func = builder.addFunction("", kSig_v_v)
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.addBody([kExprI32Const, 0, kExprI32Const, 22, kExprI32Const, 55, kExprI32Add, kExprI32StoreMem, 0, 0]);
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builder.addStart(func.index);
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var module = builder.instantiate();
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var memory = module.exports.memory.buffer;
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var view = new Int8Array(memory);
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assertEquals(77, view[0]);
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})();
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(function testStartFFI() {
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print("testStartFFI");
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var ranned = false;
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var ffi = {gak: {foo : function() {
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print("we ranned at stert!");
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ranned = true;
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}}};
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var builder = new WasmModuleBuilder();
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var sig_index = builder.addType(kSig_v_v);
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builder.addImport("gak", "foo", sig_index);
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var func = builder.addFunction("", sig_index)
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.addBody([kExprCallFunction, 0]);
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builder.addStart(func.index);
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var module = builder.instantiate(ffi);
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assertTrue(ranned);
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})();
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