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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
// Copyright 2024 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: --experimental-wasm-stringref --experimental-wasm-memory64
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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let builder = new WasmModuleBuilder();
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builder.addMemory(1, 1); // Just to block memory index 0.
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let $mem1 = builder.addMemory64(1, 1);
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builder.addActiveDataSegment(
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1, [kExprI64Const, 0], [97, 98, 99, 0, 100, 0, 101]);
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let kSig_w_li = makeSig([kWasmI64, kWasmI32], [kWasmStringRef]);
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let kSig_i_wl = makeSig([kWasmStringRef, kWasmI64], [kWasmI32]);
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builder.addFunction("new_wtf8", kSig_w_li).exportFunc().addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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...GCInstr(kExprStringNewUtf8), $mem1,
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]);
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builder.addFunction("new_wtf16", kSig_w_li).exportFunc().addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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...GCInstr(kExprStringNewWtf16), $mem1,
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]);
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builder.addFunction("encode_wtf8", kSig_i_wl).exportFunc().addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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...GCInstr(kExprStringEncodeWtf8), $mem1,
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]);
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builder.addFunction("encode_wtf8_view", kSig_i_wl).exportFunc().addBody([
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kExprLocalGet, 0,
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...GCInstr(kExprStringAsWtf8),
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kExprLocalGet, 1,
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kExprI32Const, 0, // start offset
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kExprI32Const, 2, // number of bytes
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...GCInstr(kExprStringViewWtf8EncodeWtf8), $mem1,
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kExprReturn,
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]);
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builder.addFunction("encode_wtf16", kSig_i_wl).exportFunc().addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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...GCInstr(kExprStringEncodeWtf16), $mem1,
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]);
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builder.addFunction("encode_wtf16_view", kSig_i_wl).exportFunc().addBody([
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kExprLocalGet, 0,
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...GCInstr(kExprStringAsWtf16),
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kExprLocalGet, 1,
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kExprI32Const, 0, // start offset
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kExprI32Const, 2, // number of code units
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...GCInstr(kExprStringViewWtf16Encode), $mem1,
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]);
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let instance = builder.instantiate();
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assertEquals("ab", instance.exports.new_wtf8(0n, 2));
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assertEquals("cd", instance.exports.new_wtf16(2n, 2));
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assertEquals(2, instance.exports.encode_wtf8("ef", 100n));
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assertEquals("ef", instance.exports.new_wtf8(100n, 2));
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assertEquals(2, instance.exports.encode_wtf8_view("gh", 100n));
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assertEquals("gh", instance.exports.new_wtf8(100n, 2));
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assertEquals(2, instance.exports.encode_wtf16("ij", 102n));
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assertEquals("ij", instance.exports.new_wtf16(102n, 2));
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assertEquals(2, instance.exports.encode_wtf16_view("kl", 102n));
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assertEquals("kl", instance.exports.new_wtf16(102n, 2));
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