54 lines
2.2 KiB
Plaintext
54 lines
2.2 KiB
Plaintext
CHECK: BINGO
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RUN: rm -rf %tmp/T0 %tmp/T1 %tmp/T2
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RUN: mkdir -p %tmp/T0 %tmp/T1 %tmp/T2
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RUN: echo F..... > %tmp/T0/1
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RUN: echo .U.... > %tmp/T0/2
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RUN: echo ..Z... > %tmp/T0/3
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# T1 has 3 elements, T2 is empty.
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RUN: cp %tmp/T0/* %tmp/T1/
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RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=CHECK1
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CHECK1: MERGE-OUTER: 3 files, 3 in the initial corpus
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CHECK1: MERGE-OUTER: 0 new files with 0 new features added
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RUN: echo ...Z.. > %tmp/T2/1
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RUN: echo ....E. > %tmp/T2/2
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RUN: echo .....R > %tmp/T2/3
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RUN: echo F..... > %tmp/T2/a
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RUN: echo .U.... > %tmp/T2/b
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RUN: echo ..Z... > %tmp/T2/c
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# T1 has 3 elements, T2 has 6 elements, only 3 are new.
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RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=CHECK2
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CHECK2: MERGE-OUTER: 9 files, 3 in the initial corpus
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CHECK2: MERGE-OUTER: 3 new files with 3 new features added
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# Now, T1 has 6 units and T2 has no new interesting units.
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RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=CHECK3
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CHECK3: MERGE-OUTER: 12 files, 6 in the initial corpus
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CHECK3: MERGE-OUTER: 0 new files with 0 new features added
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# Check that we respect max_len during the merge and don't crash.
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RUN: rm %tmp/T1/*
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RUN: cp %tmp/T0/* %tmp/T1/
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RUN: echo looooooooong > %tmp/T2/looooooooong
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RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 -max_len=6 2>&1 | FileCheck %s --check-prefix=MAX_LEN
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MAX_LEN: MERGE-OUTER: 3 new files
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# Check that merge tolerates failures.
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RUN: rm %tmp/T1/*
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RUN: cp %tmp/T0/* %tmp/T1/
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RUN: echo 'FUZZER' > %tmp/T2/FUZZER
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RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=MERGE_WITH_CRASH
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MERGE_WITH_CRASH: MERGE-OUTER: succesfull in 2 attempt(s)
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MERGE_WITH_CRASH: MERGE-OUTER: 3 new files
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# Check that we actually limit the size with max_len
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RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 -max_len=5 2>&1 | FileCheck %s --check-prefix=MERGE_LEN5
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MERGE_LEN5: MERGE-OUTER: succesfull in 1 attempt(s)
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RUN: rm -rf %tmp/T1/* %tmp/T2/*
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RUN: not LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=EMPTY
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EMPTY: MERGE-OUTER: zero succesfull attempts, exiting
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