llvm/test/tools/llvm-cas/cache.test

RUN: rm -rf %t %t.cas
RUN: mkdir %t

RUN: llvm-cas --cas %t.cas --make-blob \
RUN:   --data /dev/null > %t/empty.casid
RUN: echo "abc" | \
RUN:   llvm-cas --cas %t.cas --make-blob \
RUN:   --data - >%t/abc.casid

RUN: llvm-cas --cas %t/cas --put-cache-key @%t/abc.casid @%t/empty.casid
RUN: llvm-cas --cas %t/cas --get-cache-result @%t/abc.casid > %t/empty2.casid
RUN: diff %t/empty.casid %t/empty2.casid

RUN: not llvm-cas --cas %t/cas --get-cache-result @%t/empty.casid