RUN: not llvm-strings -n 0 2>&1 %S/Inputs/variable-length | FileCheck --check-prefix CHECK-0 %s
RUN: llvm-strings -n 1 %S/Inputs/variable-length | FileCheck --check-prefix CHECK-1 %s
RUN: llvm-strings -n 2 %S/Inputs/variable-length | FileCheck --check-prefix CHECK-2 %s
RUN: llvm-strings %S/Inputs/variable-length | FileCheck --check-prefix CHECK-DEFAULT %s

STDIN: a
STDIN: ab
STDIN: abc
STDIN: abcd

CHECK-DEFAULT: abcd

CHECK-0: invalid minimum string length 0

CHECK-1: a
CHECK-1: ab
CHECK-1: abc
CHECK-1: abcd

CHECK-2-NOT: a
CHECK-2: ab
CHECK-2: abc
CHECK-2: abcd