1CHECK: BINGO 2 3RUN: rm -rf %tmp/T1 %tmp/T2 4RUN: mkdir -p %tmp/T1 %tmp/T2 5RUN: echo F..... > %tmp/T1/1 6RUN: echo .U.... > %tmp/T1/2 7RUN: echo ..Z... > %tmp/T1/3 8 9# T1 has 3 elements, T2 is empty. 10RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=CHECK1 11CHECK1: === Minimizing the initial corpus of 3 units 12CHECK1: === Merge: written 0 units 13 14RUN: echo ...Z.. > %tmp/T2/1 15RUN: echo ....E. > %tmp/T2/2 16RUN: echo .....R > %tmp/T2/3 17RUN: echo F..... > %tmp/T2/a 18RUN: echo .U.... > %tmp/T2/b 19RUN: echo ..Z... > %tmp/T2/c 20 21# T1 has 3 elements, T2 has 6 elements, only 3 are new. 22RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=CHECK2 23CHECK2: === Minimizing the initial corpus of 3 units 24CHECK2: === Merging extra 6 units 25CHECK2: === Merge: written 3 units 26 27# Now, T1 has 6 units and T2 has no new interesting units. 28RUN: LLVMFuzzer-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=CHECK3 29CHECK3: === Minimizing the initial corpus of 6 units 30CHECK3: === Merge: written 0 units 31