| cmake_minimum_required(VERSION 2.6) |
| project(Unset C) |
| |
| # Local variable |
| set(x 42) |
| if(NOT x EQUAL 42) |
| message(FATAL_ERROR "x!=42") |
| endif(NOT x EQUAL 42) |
| |
| if(NOT DEFINED x) |
| message(FATAL_ERROR "x should be defined!") |
| endif(NOT DEFINED x) |
| |
| unset(x) |
| if(DEFINED x) |
| message(FATAL_ERROR "x should be undefined now!") |
| endif(DEFINED x) |
| |
| # Local variable test unset via set() |
| set(x 43) |
| if(NOT x EQUAL 43) |
| message(FATAL_ERROR "x!=43") |
| endif(NOT x EQUAL 43) |
| set(x) |
| if(DEFINED x) |
| message(FATAL_ERROR "x should be undefined now!") |
| endif(DEFINED x) |
| |
| # Cache variable |
| set(BAR "test" CACHE STRING "documentation") |
| if(NOT DEFINED BAR) |
| message(FATAL_ERROR "BAR not defined") |
| endif(NOT DEFINED BAR) |
| |
| # Test interaction of cache entries with variables. |
| set(BAR "test-var") |
| if(NOT "$CACHE{BAR}" STREQUAL "test") |
| message(FATAL_ERROR "\$CACHE{BAR} changed by variable BAR") |
| endif(NOT "$CACHE{BAR}" STREQUAL "test") |
| if(NOT "${BAR}" STREQUAL "test-var") |
| message(FATAL_ERROR "\${BAR} not separate from \$CACHE{BAR}") |
| endif(NOT "${BAR}" STREQUAL "test-var") |
| unset(BAR) |
| if(NOT "${BAR}" STREQUAL "test") |
| message(FATAL_ERROR "\${BAR} does not fall through to \$CACHE{BAR}") |
| endif(NOT "${BAR}" STREQUAL "test") |
| |
| # Test unsetting of CACHE entry. |
| unset(BAR CACHE) |
| if(DEFINED BAR) |
| message(FATAL_ERROR "BAR still defined") |
| endif(DEFINED BAR) |
| |
| |
| add_executable(Unset unset.c) |
