ad9cf53473
R=bradnelson@chromium.org, rossberg@chromium.org BUG=v8:5507 Review-Url: https://codereview.chromium.org/2443353002 Cr-Commit-Position: refs/heads/master@{#40554}
103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
// 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 AddFunctions(builder) {
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let sig_index = builder.addType(kSig_i_ii);
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let mul = builder.addFunction("mul", sig_index)
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.addBody([
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kExprGetLocal, 0, // --
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kExprGetLocal, 1, // --
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kExprI32Mul // --
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]);
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let add = builder.addFunction("add", sig_index)
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.addBody([
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kExprGetLocal, 0, // --
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kExprGetLocal, 1, // --
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kExprI32Add // --
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]);
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let sub = builder.addFunction("sub", sig_index)
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.addBody([
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kExprGetLocal, 0, // --
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kExprGetLocal, 1, // --
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kExprI32Sub // --
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]);
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return {mul: mul, add: add, sub: sub};
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}
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(function ExportedTableTest() {
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print("ExportedTableTest...");
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let builder = new WasmModuleBuilder();
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let d = builder.addImport("js_div", kSig_i_ii);
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let f = AddFunctions(builder);
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builder.addFunction("main", kSig_i_ii)
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.addBody([
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kExprI32Const, 33, // --
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kExprGetLocal, 0, // --
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kExprGetLocal, 1, // --
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kExprCallIndirect, 0]) // --
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.exportAs("main");
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f.add.exportAs("blarg");
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builder.setFunctionTableLength(10);
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let g = builder.addImportedGlobal("base", undefined, kAstI32);
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builder.addFunctionTableInit(g, true, [f.mul.index, f.add.index,
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f.sub.index,
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d]);
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builder.addExportOfKind("table", kExternalTable, 0);
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let module = new WebAssembly.Module(builder.toBuffer());
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function js_div(a, b) { return (a / b) | 0; }
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for (let i = 0; i < 5; i++) {
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print(" base = " + i);
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let instance = new WebAssembly.Instance(module, {base: i, js_div: js_div});
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main = instance.exports.main;
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let table = instance.exports.table;
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assertTrue(table instanceof WebAssembly.Table);
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assertEquals(10, table.length);
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for (let j = 0; j < i; j++) {
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assertSame(null, table.get(j));
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}
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let mul = table.get(i+0);
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let add = table.get(i+1);
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let sub = table.get(i+2);
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print(" mul=" + mul);
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print(" add=" + add);
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print(" sub=" + sub);
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assertEquals("function", typeof mul);
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assertEquals("function", typeof add);
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assertEquals("function", typeof sub);
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assertEquals(2, mul.length);
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assertEquals(2, add.length);
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assertEquals(2, sub.length);
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assertEquals("blarg", add.name);
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let exp_div = table.get(i+3);
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assertEquals("function", typeof exp_div);
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print(" js_div=" + exp_div);
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// Should have a new, wrapped version of the import.
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assertFalse(js_div == exp_div);
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for (let j = i + 4; j < 10; j++) {
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assertSame(null, table.get(j));
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}
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assertEquals(-33, mul(-11, 3));
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assertEquals(4444444, add(3333333, 1111111));
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assertEquals(-9999, sub(1, 10000));
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assertEquals(-44, exp_div(-88.1, 2));
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}
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})();
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