45 lines
1.7 KiB
JavaScript
45 lines
1.7 KiB
JavaScript
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// Copyright 2019 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 --experimental-wasm-eh --allow-natives-syntax
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// Note that this test does not pass --experimental-wasm-anyref on purpose so
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// that we make sure the two flags can be controlled separately/independently.
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load("test/mjsunit/wasm/wasm-module-builder.js");
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// First we just test that "except_ref" global variables are allowed.
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(function TestGlobalExceptRefSupported() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let g = builder.addGlobal(kWasmExceptRef);
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builder.addFunction("push_and_drop_except_ref", kSig_v_v)
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.addBody([
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kExprGetGlobal, g.index,
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kExprDrop,
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]).exportFunc();
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let instance = builder.instantiate();
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assertDoesNotThrow(instance.exports.push_and_drop_except_ref);
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})();
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// Test default value that global "except_ref" variables are initialized with.
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(function TestGlobalExceptRefDefaultValue() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let g = builder.addGlobal(kWasmExceptRef);
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builder.addFunction('push_and_return_except_ref', kSig_e_v)
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.addBody([kExprGetGlobal, g.index])
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.exportFunc();
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let instance = builder.instantiate();
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assertEquals(null, instance.exports.push_and_return_except_ref());
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})();
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// TODO(mstarzinger): Add test coverage for the following:
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// - Catching exception in wasm and storing into global.
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// - Taking "except_ref" parameter and storing into global.
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// - Rethrowing "except_ref" from global (or parameter).
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// - Importing a global "except_ref" during instantiation.
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