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tests/functional: Reduce max-call-depth for stack overflow tests #14920

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xokdvium merged 1 commit into from
Jan 6, 2026
Merged

tests/functional: Reduce max-call-depth for stack overflow tests #14920

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10 changes: 5 additions & 5 deletions tests/functional/eval.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -43,24 +43,24 @@ ln -sfn cycle.nix "$TEST_ROOT/cycle.nix"
# The expression creates a non-cyclic but infinitely deep structure:
# f returns immediately with a thunk, so Nix call depth stays at 1,
# but Printer::print recurses on the C++ stack.
expectStderr 1 nix eval --expr 'let f = n: { inner = f (n + 1); }; in f 0' \
expectStderr 1 nix eval --expr 'let f = n: { inner = f (n + 1); }; in f 0' --max-call-depth 100 \
| grepQuiet "stack overflow; max-call-depth exceeded"

# Same for builtins.toXML
expectStderr 1 nix eval --expr 'builtins.toXML (let f = n: { inner = f (n + 1); }; in f 0)' \
expectStderr 1 nix eval --expr 'builtins.toXML (let f = n: { inner = f (n + 1); }; in f 0)' --max-call-depth 100 \
| grepQuiet "stack overflow; max-call-depth exceeded"

# Same for equality comparison (n is not observable, so structures are equal)
expectStderr 1 nix eval --expr 'let f = n: { inner = f (n + 1); }; in f 0 == f 1' \
expectStderr 1 nix eval --expr 'let f = n: { inner = f (n + 1); }; in f 0 == f 1' --max-call-depth 100 \
| grepQuiet "stack overflow; max-call-depth exceeded"

# Same for assert with equality (uses assertEqValues)
expectStderr 1 nix eval --expr 'let f = n: { inner = f (n + 1); }; in assert f 0 == f 1; true' \
expectStderr 1 nix eval --expr 'let f = n: { inner = f (n + 1); }; in assert f 0 == f 1; true' --max-call-depth 100 \
| grepQuiet "stack overflow; max-call-depth exceeded"

# Same for string coercion with __toString
# shellcheck disable=SC2016
expectStderr 1 nix eval --expr 'let f = n: { __toString = _: f (n + 1); }; in "${f 0}"' \
expectStderr 1 nix eval --expr 'let f = n: { __toString = _: f (n + 1); }; in "${f 0}"' --max-call-depth 100 \
| grepQuiet "stack overflow; max-call-depth exceeded"

# --file and --pure-eval don't mix.
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