| # RUN: echo "" | not yaml2obj 2>&1 | FileCheck %s | |
| # RUN: echo -n "" | not yaml2obj 2>&1 | FileCheck %s | |
| # RUN: echo " " | not yaml2obj 2>&1 | FileCheck %s | |
| # RUN: echo " " | not yaml2obj 2>&1 | FileCheck %s | |
| # CHECK: error: Unknown document type! | |
| # RUN: echo -e -n "\xff" | not yaml2obj 2>&1 | FileCheck %s --check-prefix=INVALID | |
| # INVALID: error: Failed to parse YAML input! |