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[DO NOT MERGE] infinite loop test #6064

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[DO NOT MERGE] infinite loop test #6064

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adb5789
add infinite loop test
mvadari Nov 21, 2025
dda7adc
improve test
mvadari Nov 21, 2025
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52 changes: 52 additions & 0 deletions src/test/app/Wasm_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -675,6 +675,57 @@ struct Wasm_test : public beast::unit_test::suite
}
}

void
testInfiniteLoop()
{
testcase("infinite loop");

using namespace test::jtx;
Env env{*this};

/*
int
loop()
{
int volatile x = 0;
while (1)
x++;
return x;
}
*/
static std::string const infiniteWasmHex =
"0061736d010000000108026000006000017f030302000105030100020638097f00"
"4180080b7f004180080b7f004180080b7f00418088040b7f004180080b7f004180"
"88040b7f00418080080b7f0041000b7f0041010b07a8010c066d656d6f72790200"
"115f5f7761736d5f63616c6c5f63746f72730000046c6f6f7000010c5f5f64736f"
"5f68616e646c6503000a5f5f646174615f656e6403010b5f5f737461636b5f6c6f"
"7703020c5f5f737461636b5f6869676803030d5f5f676c6f62616c5f6261736503"
"040b5f5f686561705f6261736503050a5f5f686561705f656e6403060d5f5f6d65"
"6d6f72795f6261736503070c5f5f7461626c655f6261736503080a270202000b22"
"0041fc87044100360200034041fc870441fc870428020041016a3602000c000b00"
"0b007f0970726f647563657273010c70726f6365737365642d62790105636c616e"
"675f31392e312e352d776173692d73646b202868747470733a2f2f676974687562"
"2e636f6d2f6c6c766d2f6c6c766d2d70726f6a6563742061623462356132646235"
"383239353861663165653330386137393063666462343262643234373230290049"
"0f7461726765745f6665617475726573042b0f6d757461626c652d676c6f62616c"
"732b087369676e2d6578742b0f7265666572656e63652d74797065732b0a6d756c"
"746976616c7565";
auto const wasmStr = boost::algorithm::unhex(infiniteWasmHex);
Bytes wasm(wasmStr.begin(), wasmStr.end());
std::string const funcName("infinite");
TestHostFunctions hfs(env, 0);

{
// f32 set constant, opcode disabled exception
auto const re =
runEscrowWasm(wasm, funcName, {}, &hfs, 1'000'000, env.journal);
if (BEAST_EXPECT(!re.has_value()))
{
BEAST_EXPECT(re.error() == tecFAILED_PROCESSING);
}
}
}

void
run() override
{
Expand All @@ -700,6 +751,7 @@ struct Wasm_test : public beast::unit_test::suite

testCodecovWasm();
testDisabledFloat();
testInfiniteLoop();

// perfTest();
}
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