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get_filename_component: Tests now check for proper CACHE usage. 

The RunCMake.get_filename_component test was improved to assert that
each test variable outputted by get_filename_component is or is not
a cache variable, as per the particular test.

Signed-off-by: James Johnston <johnstonj.public@codenest.com>
This commit is contained in:
James Johnston 2015-08-04 23:47:38 -04:00
parent 22590805bf
commit 772ca69f80
2 changed files with 34 additions and 1 deletions
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2
Tests/RunCMake/get_filename_component/CMakeLists.txt
View File

@ -1,3 +1,3 @@
cmake_minimum_required(VERSION 2.8.4)
cmake_minimum_required(VERSION 3.3)
project(${RunCMake_TEST} NONE)
include(${RunCMake_TEST}.cmake)

33
Tests/RunCMake/get_filename_component/KnownComponents.cmake
View File

@ -1,9 +1,11 @@
# Assertion macro
macro(check desc actual expect)
if(NOT "x${actual}" STREQUAL "x${expect}")
message(SEND_ERROR "${desc}: got \"${actual}\", not \"${expect}\"")
endif()
endmacro()
# General test of all component types given an absolute path.
set(filename "/path/to/filename.ext.in")
set(expect_DIRECTORY "/path/to")
set(expect_NAME "filename.ext.in")
@ -13,14 +15,19 @@ set(expect_PATH "/path/to")
foreach(c DIRECTORY NAME EXT NAME_WE PATH)
get_filename_component(actual_${c} "${filename}" ${c})
check("${c}" "${actual_${c}}" "${expect_${c}}")
list(APPEND non_cache_vars actual_${c})
endforeach()
# Test Windows paths with DIRECTORY component and an absolute Windows path.
get_filename_component(test_slashes "c:\\path\\to\\filename.ext.in" DIRECTORY)
check("DIRECTORY from backslashes" "${test_slashes}" "c:/path/to")
list(APPEND non_cache_vars test_slashes)
get_filename_component(test_winroot "c:\\filename.ext.in" DIRECTORY)
check("DIRECTORY in windows root" "${test_winroot}" "c:/")
list(APPEND non_cache_vars test_winroot)
# Test finding absolute paths.
get_filename_component(test_absolute "/path/to/a/../filename.ext.in" ABSOLUTE)
check("ABSOLUTE" "${test_absolute}" "/path/to/filename.ext.in")
@ -29,10 +36,36 @@ check("ABSOLUTE .. in root" "${test_absolute}" "/path/to/filename.ext.in")
get_filename_component(test_absolute "c:/../path/to/filename.ext.in" ABSOLUTE)
check("ABSOLUTE .. in windows root" "${test_absolute}" "c:/path/to/filename.ext.in")
list(APPEND non_cache_vars test_absolute)
# Test CACHE parameter for most component types.
get_filename_component(test_cache "/path/to/filename.ext.in" DIRECTORY CACHE)
check("CACHE 1" "${test_cache}" "/path/to")
# Make sure that the existing CACHE entry from previous is honored:
get_filename_component(test_cache "/path/to/other/filename.ext.in" DIRECTORY CACHE)
check("CACHE 2" "${test_cache}" "/path/to")
unset(test_cache CACHE)
get_filename_component(test_cache "/path/to/other/filename.ext.in" DIRECTORY CACHE)
check("CACHE 3" "${test_cache}" "/path/to/other")
list(APPEND cache_vars test_cache)
# Test that ONLY the expected cache variables were created.
get_cmake_property(current_cache_vars CACHE_VARIABLES)
get_cmake_property(current_vars VARIABLES)
foreach(thisVar ${cache_vars})
if(NOT thisVar IN_LIST current_cache_vars)
message(SEND_ERROR "${thisVar} expected in cache but was not found.")
endif()
endforeach()
foreach(thisVar ${non_cache_vars})
if(thisVar IN_LIST current_cache_vars)
message(SEND_ERROR "${thisVar} unexpectedly found in cache.")
endif()
if(NOT thisVar IN_LIST current_vars)
# Catch likely typo when appending to non_cache_vars:
message(SEND_ERROR "${thisVar} not found in regular variable list.")
endif()
endforeach()