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/*
* Copyright (C) 2025 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TestUtilities.h"
#if ENABLE(WEBASSEMBLY)
#include <wtf/DataLog.h>
#include <wtf/text/MakeString.h>
using namespace JSC;
using namespace JSC::Wasm;
namespace WasmDebugInfoTest {
static bool testBrOnCastOpcode(ExtGCOpType opcode)
{
Vector<uint8_t> functionBody = {
0x02, 0x01, // [0] block (result i32 i31ref)
0x41, 0x2a, // [2] i32.const 42
0x20, 0x00, // [4] local.get 0 (anyref param)
0xfb, 0x18, // [6] br_on_cast (ExtGC opcode 0x18)
0x03, // [8] flags (0x03 = both nullable)
0x00, // [9] branch depth 0
0x6e, // [10] source ref type: anyref
0x6c, // [11] target ref type: i31ref
0x41, 0x07, // [12] i32.const 7
0xd0, 0x6c, // [14] ref.null i31ref
0x0c, 0x00, // [16] br 0
0x0b, // [18] end block
0x1a, // [19] drop
0x0b // [20] end function
};
SourceModule module = SourceModule::create()
.withFunctionType({ 0x6e }, { 0x7f }) // Type 0: (anyref) -> i32
.withAdditionalType({ }, { 0x7f, 0x6c }) // Type 1: () -> (i32, i31ref)
.withFunctionBody(functionBody)
.build();
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 4 } },
{ 4, { 6 } },
{ 6, { 12, 19 } },
{ 12, { 14 } },
{ 14, { 16 } },
{ 16, { 19 } }
});
}
static bool testBrOnCastFailOpcode(ExtGCOpType opcode)
{
Vector<uint8_t> functionBody = {
0x02, 0x01, // [0] block (result i32 anyref)
0x41, 0x2a, // [2] i32.const 42
0x20, 0x00, // [4] local.get 0 (anyref param)
0xfb, 0x19, // [6] br_on_cast_fail (ExtGC opcode 0x19)
0x03, // [8] flags (0x03 = both nullable)
0x00, // [9] branch depth 0
0x6e, // [10] source ref type: anyref
0x6c, // [11] target ref type: i31ref
0x1a, // [12] drop (i31ref from successful cast)
0x41, 0x07, // [13] i32.const 7
0x20, 0x00, // [15] local.get 0 (push anyref again)
0x0c, 0x00, // [17] br 0
0x0b, // [19] end block
0x1a, // [20] drop (anyref)
0x0b // [21] end function
};
SourceModule module = SourceModule::create()
.withFunctionType({ 0x6e }, { 0x7f }) // Type 0: (anyref) -> i32
.withAdditionalType({ }, { 0x7f, 0x6e }) // Type 1: () -> (i32, anyref)
.withFunctionBody(functionBody)
.build();
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 4 } },
{ 4, { 6 } },
{ 6, { 12, 20 } },
{ 13, { 15 } },
{ 15, { 17 } },
{ 17, { 20 } }
});
}
// FIXME: Implement proper test for ExtGCOpType::name
#define DEFINE_EXTGC_OP_TEST(name) \
static bool test##name##Opcode(ExtGCOpType) \
{ \
return true; \
}
DEFINE_EXTGC_OP_TEST(StructNew)
DEFINE_EXTGC_OP_TEST(StructNewDefault)
DEFINE_EXTGC_OP_TEST(StructGet)
DEFINE_EXTGC_OP_TEST(StructGetS)
DEFINE_EXTGC_OP_TEST(StructGetU)
DEFINE_EXTGC_OP_TEST(StructSet)
DEFINE_EXTGC_OP_TEST(ArrayNew)
DEFINE_EXTGC_OP_TEST(ArrayNewDefault)
DEFINE_EXTGC_OP_TEST(ArrayNewFixed)
DEFINE_EXTGC_OP_TEST(ArrayNewData)
DEFINE_EXTGC_OP_TEST(ArrayNewElem)
DEFINE_EXTGC_OP_TEST(ArrayGet)
DEFINE_EXTGC_OP_TEST(ArrayGetS)
DEFINE_EXTGC_OP_TEST(ArrayGetU)
DEFINE_EXTGC_OP_TEST(ArraySet)
DEFINE_EXTGC_OP_TEST(ArrayLen)
DEFINE_EXTGC_OP_TEST(ArrayFill)
DEFINE_EXTGC_OP_TEST(ArrayCopy)
DEFINE_EXTGC_OP_TEST(ArrayInitData)
DEFINE_EXTGC_OP_TEST(ArrayInitElem)
DEFINE_EXTGC_OP_TEST(RefTest)
DEFINE_EXTGC_OP_TEST(RefTestNull)
DEFINE_EXTGC_OP_TEST(RefCast)
DEFINE_EXTGC_OP_TEST(RefCastNull)
DEFINE_EXTGC_OP_TEST(AnyConvertExtern)
DEFINE_EXTGC_OP_TEST(ExternConvertAny)
DEFINE_EXTGC_OP_TEST(RefI31)
DEFINE_EXTGC_OP_TEST(I31GetS)
DEFINE_EXTGC_OP_TEST(I31GetU)
#undef DEFINE_EXTGC_OP_TEST
void testAllExtGCOps()
{
dataLogLn("=== Testing All ExtGC Ops Coverage ===");
dataLogLn("Total ExtGC opcodes in WasmOps.h: ", TOTAL_EXTGC_OPS);
int opsTested = 0;
int opsSucceeded = 0;
#define TEST_EXTGC_OP(name, id, b3, inc) do { \
opsTested++; \
testsRun++; \
if (test##name##Opcode(ExtGCOpType::name)) { \
opsSucceeded++; \
testsPassed++; \
} else { \
testsFailed++; \
dataLogLn("FAILED: ", #name, " ExtGC opcode test"); \
} \
} while (0);
FOR_EACH_WASM_GC_OP(TEST_EXTGC_OP)
#undef TEST_EXTGC_OP
TEST_ASSERT(opsTested == TOTAL_EXTGC_OPS,
makeString("Tested all "_s, String::number(TOTAL_EXTGC_OPS), " ExtGC ops"_s).utf8().data());
TEST_ASSERT(opsSucceeded == TOTAL_EXTGC_OPS,
makeString("All "_s, String::number(TOTAL_EXTGC_OPS), " ExtGC ops completed"_s).utf8().data());
dataLogLn(" Successfully tested: ", opsSucceeded, " / ", opsTested, " ExtGC ops");
dataLogLn("All ExtGC ops coverage testing completed");
}
} // namespace WasmDebugInfoTest
#endif // ENABLE(WEBASSEMBLY)
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