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Merged
mvadari merged 9 commits into from
Jan 7, 2026
Merged

infinite loop test #6064

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22d0291
add infinite loop test
mvadari Nov 21, 2025
ea4d668
improve test
mvadari Nov 21, 2025
c038dab
fix rebase issue
mvadari Dec 2, 2025
dc5f0ec
Apply suggestions from code review
mvadari Dec 2, 2025
5f38c23
Merge branch 'ripple/wasmi-host-functions' into infinite-loop
mvadari Jan 5, 2026
fb0a35a
Merge remote-tracking branch 'upstream/ripple/wasmi-host-functions' i…
mvadari Jan 6, 2026
7d60d2a
use fixtures file
mvadari Jan 6, 2026
2c89c2a
move next to recursion test
mvadari Jan 6, 2026
7933c33
respond to copilot
mvadari Jan 6, 2026
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14 changes: 14 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 @@ -467,6 +467,20 @@ struct Wasm_test : public beast::unit_test::suite
BEAST_EXPECT(countSubstr(s, "exception: <finish> failure") > 0);
}

{ // infinite loop
auto const wasmStr = boost::algorithm::unhex(infiniteLoopWasmHex);
Bytes wasm(wasmStr.begin(), wasmStr.end());
std::string const funcName("loop");
TestHostFunctions hfs(env, 0);

// infinite loop should be caught and fail
auto const re = runEscrowWasm(wasm, hfs, funcName, {}, 1'000'000);
if (BEAST_EXPECT(!re.has_value()))
{
BEAST_EXPECT(re.error() == tecFAILED_PROCESSING);
}
}

{
// expected import not provided
auto wasmStr = boost::algorithm::unhex(ledgerSqnWasmHex);
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16 changes: 16 additions & 0 deletions src/test/app/wasm_fixtures/fixtures.cpp
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Expand Up @@ -1208,3 +1208,19 @@ extern std::string const wasiPrintHex =
"656d6f727902000666696e69736800010a1d011b01017f4118210041014100410120001000"
"45047f410105417f0b0b0b1e030041100b0648656c6c6f0a0041000b04100000000041040b"
"0406000000";

extern std::string const infiniteLoopWasmHex =
"0061736d010000000108026000006000017f030302000105030100020638097f004180080b"
"7f004180080b7f004180080b7f00418088040b7f004180080b7f00418088040b7f00418080"
"080b7f0041000b7f0041010b07a8010c066d656d6f72790200115f5f7761736d5f63616c6c"
"5f63746f72730000046c6f6f7000010c5f5f64736f5f68616e646c6503000a5f5f64617461"
"5f656e6403010b5f5f737461636b5f6c6f7703020c5f5f737461636b5f6869676803030d5f"
"5f676c6f62616c5f6261736503040b5f5f686561705f6261736503050a5f5f686561705f65"
"6e6403060d5f5f6d656d6f72795f6261736503070c5f5f7461626c655f6261736503080a27"
"0202000b220041fc87044100360200034041fc870441fc870428020041016a3602000c000b"
"000b007f0970726f647563657273010c70726f6365737365642d62790105636c616e675f31"
"392e312e352d776173692d73646b202868747470733a2f2f6769746875622e636f6d2f6c6c"
"766d2f6c6c766d2d70726f6a65637420616234623561326462353832393538616631656533"
"303861373930636664623432626432343732302900490f7461726765745f66656174757265"
"73042b0f6d757461626c652d676c6f62616c732b087369676e2d6578742b0f726566657265"
"6e63652d74797065732b0a6d756c746976616c7565";
2 changes: 2 additions & 0 deletions src/test/app/wasm_fixtures/fixtures.h
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Expand Up @@ -64,3 +64,5 @@ extern std::string const trapFuncSigMismatchHex;

extern std::string const wasiGetTimeHex;
extern std::string const wasiPrintHex;

extern std::string const infiniteLoopWasmHex;
8 changes: 8 additions & 0 deletions src/test/app/wasm_fixtures/infiniteLoop.c
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@@ -0,0 +1,8 @@
int
loop()
{
int volatile x = 0;
while (1)
x++;
return x;
}