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[compiler-rt] Update fuzzer/focus-function.test to not require shell. #157967

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Merged
merged 2 commits into from
Sep 11, 2025
Merged

[compiler-rt] Update fuzzer/focus-function.test to not require shell. #157967

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44a82c2
[compiler-rt] Update fuzzer/focus-function.test to not require shell.
cmtice Sep 10, 2025
742fc03
Simplify change by bypassing temporaroy string 'x_str'.
cmtice Sep 10, 2025
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9 changes: 4 additions & 5 deletions compiler-rt/test/fuzzer/focus-function.test
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Original file line number Diff line number Diff line change
@@ -1,8 +1,7 @@
# Tests -focus_function
#
# TODO: don't require linux.
# Requires full shell support for the `for` loop syntax.
# REQUIRES: shell, linux
# REQUIRES: linux
UNSUPPORTED: target=aarch64{{.*}}

RUN: %cpp_compiler %S/OnlySomeBytesTest.cpp -o %t-exe
Expand All @@ -22,9 +21,9 @@ FOCUS_F0: INFO: 0/1 inputs touch the focus function
RUN: rm -rf %t-corpus
RUN: mkdir %t-corpus
# ABC triggers the focus function, others don't.
RUN: echo ABC$(for((i=0;i<2048;i++)); do echo -n x; done) > %t-corpus/ABC
RUN: echo AXY$(for((i=0;i<2048;i++)); do echo -n x; done) > %t-corpus/AXY
RUN: echo ABX$(for((i=0;i<2048;i++)); do echo -n x; done) > %t-corpus/ABX
RUN: %python -c 'x_str = "ABC" + "x" * 2048; print(x_str)' > %t-corpus/ABC
RUN: %python -c 'x_str = "AXY" + "x" * 2048; print(x_str)' > %t-corpus/AXY
RUN: %python -c 'x_str = "ABX" + "x" * 2048; print(x_str)' > %t-corpus/ABX

RUN: %run %t-exe -runs=10000 -focus_function=f0 %t-corpus 2>&1 | FileCheck %s --check-prefix=CORPUS_1_3
CORPUS_1_3: INFO: 1/3 inputs touch the focus function
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