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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function testExportedMain() {
var kReturnValue = 88;
var builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i)
.addBody([
kExprI8Const,
kReturnValue,
kExprReturn
])
.exportFunc();
var module = builder.instantiate();
assertEquals("object", typeof module.exports);
assertEquals("function", typeof module.exports.main);
assertEquals(kReturnValue, module.exports.main());
})();
(function testExportedTwice() {
var kReturnValue = 99;
var builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i)
.addBody([
kExprI8Const,
kReturnValue,
kExprReturn
])
.exportAs("blah")
.exportAs("foo");
var module = builder.instantiate();
assertEquals("object", typeof module.exports);
assertEquals("function", typeof module.exports.blah);
assertEquals("function", typeof module.exports.foo);
assertEquals(kReturnValue, module.exports.foo());
assertEquals(kReturnValue, module.exports.blah());
})();
(function testNumericName() {
var kReturnValue = 93;
var builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i)
.addBody([
kExprI8Const,
kReturnValue,
kExprReturn
])
.exportAs("0");
var module = builder.instantiate();
assertEquals("object", typeof module.exports);
assertEquals("function", typeof module.exports["0"]);
assertEquals(kReturnValue, module.exports["0"]());
})();
(function testExportNameClash() {
var builder = new WasmModuleBuilder();
builder.addFunction("one", kSig_v_v).addBody([kExprNop]).exportAs("main");
builder.addFunction("two", kSig_v_v).addBody([kExprNop]).exportAs("other");
builder.addFunction("three", kSig_v_v).addBody([kExprNop]).exportAs("main");
try {
builder.instantiate();
assertUnreachable("should have thrown an exception");
} catch (e) {
assertContains("Duplicate export", e.toString());
}
})();
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