REQUIRES: linux
RUN: %no_fuzzer_cpp_compiler %S/AFLDriverTest.cpp %libfuzzer_src/afl/afl_driver.cpp -o %t-AFLDriverTest

; Test that not specifying AFL_DRIVER_CLOSE_FD_MASK works as intended.
RUN: echo -n "abc" > %t.file3
RUN: unset AFL_DRIVER_CLOSE_FD_MASK
RUN: %run %t-AFLDriverTest < %t.file3 2>&1 | FileCheck %s --check-prefixes=STDERR,STDOUT
STDOUT: STDOUT MESSAGE
STDERR: STDERR MESSAGE

; Test that stdout is closed properly.
RUN: AFL_DRIVER_CLOSE_FD_MASK=1 %run %t-AFLDriverTest < %t.file3 2>&1 | FileCheck %s --check-prefixes=NOT_STDOUT,STDERR
NOT_STDOUT-NOT: STDOUT MESSAGE

; Test that stderr is closed properly.
RUN: AFL_DRIVER_CLOSE_FD_MASK=2 %run %t-AFLDriverTest < %t.file3 2>&1 | FileCheck %s --check-prefixes=NOT_STDERR,STDOUT
NOT_STDERR-NOT: STDERR MESSAGE

; Test that both are closed properly.
RUN: AFL_DRIVER_CLOSE_FD_MASK=3 %run %t-AFLDriverTest < %t.file3 2>&1 | FileCheck %s --check-prefixes=NOT_STDERR,NOT_STDOUT

; Test that a stack is printed when we close stderr
RUN: echo -n "abcd" > %t.file4
RUN: AFL_DRIVER_CLOSE_FD_MASK=2 not %run %t-AFLDriverTest < %t.file4 2>&1  | FileCheck %s --check-prefixes=ASAN_CRASH,STDOUT,NOT_STDERR
ASAN_CRASH: ERROR: AddressSanitizer

; Test that a stack is written to the stderr duplicate file when we close stderr
; and specify a duplicate.
RUN: rm -f %t.stderr
RUN: AFL_DRIVER_STDERR_DUPLICATE_FILENAME=%t.stderr AFL_DRIVER_CLOSE_FD_MASK=2 not %run %t-AFLDriverTest < %t.file4
RUN: cat %t.stderr | FileCheck %s --check-prefixes=ASAN_CRASH,NOT_STDERR