1800e9bb36
R=titzer@chromium.org Bug: v8:7581 Change-Id: Ib100a45ad51ec6b6a0400cfe97fe918089c04ead Reviewed-on: https://chromium-review.googlesource.com/998095 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by: Ben Titzer <titzer@chromium.org> Cr-Commit-Position: refs/heads/master@{#52468}
71 lines
2.3 KiB
JavaScript
71 lines
2.3 KiB
JavaScript
// Copyright 2018 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-anyref --expose-gc
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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 testAnyRefIdentityFunction() {
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print(arguments.callee.name);
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const builder = new WasmModuleBuilder();
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builder.addFunction('main', kSig_r_r)
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.addBody([kExprGetLocal, 0])
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.exportFunc();
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const instance = builder.instantiate();
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let obj = {'hello' : 'world'};
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assertEquals(obj, instance.exports.main(obj));
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assertEquals(1234, instance.exports.main(1234));
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assertEquals(123.4, instance.exports.main(123.4));
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assertEquals(undefined, instance.exports.main(undefined));
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assertEquals(null, instance.exports.main(null));
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assertEquals(print, instance.exports.main(print));
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})();
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(function testPassAnyRefToImportedFunction() {
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print(arguments.callee.name);
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const builder = new WasmModuleBuilder();
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const sig_index = builder.addType(kSig_v_r);
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const imp_index = builder.addImport("q", "func", sig_index);
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builder.addFunction('main', sig_index)
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.addBody([kExprGetLocal, 0,
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kExprCallFunction, imp_index])
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.exportFunc();
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function checkFunction(value) {
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assertEquals('world', value.hello);
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}
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const instance = builder.instantiate({q: {func: checkFunction}});
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instance.exports.main({hello: 'world'});
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})();
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(function testPassAnyRefWithGC() {
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print(arguments.callee.name);
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const builder = new WasmModuleBuilder();
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const ref_sig = builder.addType(kSig_v_r);
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const void_sig = builder.addType(kSig_v_v);
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const imp_index = builder.addImport("q", "func", ref_sig);
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const gc_index = builder.addImport("q", "gc", void_sig);
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// First call the gc, then check if the object still exists.
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builder.addFunction('main', ref_sig)
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.addBody([
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kExprCallFunction, gc_index, // call gc
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kExprGetLocal, 0, kExprCallFunction, imp_index // call import
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])
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.exportFunc();
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function checkFunction(value) {
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assertEquals('world', value.hello);
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}
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const instance = builder.instantiate({q: {func: checkFunction, gc: gc}});
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instance.exports.main({hello: 'world'});
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})();
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