blob: 07aa68e7ae9d3dc213b3bab94725a94fae14fabe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
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()
if(NOT DEFINED x)
message(FATAL_ERROR "x should be defined!")
endif()
unset(x)
if(DEFINED x)
message(FATAL_ERROR "x should be undefined now!")
endif()
# Local variable test unset via set()
set(x 43)
if(NOT x EQUAL 43)
message(FATAL_ERROR "x!=43")
endif()
set(x)
if(DEFINED x)
message(FATAL_ERROR "x should be undefined now!")
endif()
# Cache variable
set(BAR "test" CACHE STRING "documentation")
if(NOT DEFINED BAR)
message(FATAL_ERROR "BAR not defined")
endif()
# Test interaction of cache entries with variables.
set(BAR "test-var")
if(NOT "$CACHE{BAR}" STREQUAL "test")
message(FATAL_ERROR "\$CACHE{BAR} changed by variable BAR")
endif()
if(NOT "${BAR}" STREQUAL "test-var")
message(FATAL_ERROR "\${BAR} not separate from \$CACHE{BAR}")
endif()
unset(BAR)
if(NOT "${BAR}" STREQUAL "test")
message(FATAL_ERROR "\${BAR} does not fall through to \$CACHE{BAR}")
endif()
# Test unsetting of CACHE entry.
unset(BAR CACHE)
if(DEFINED BAR)
message(FATAL_ERROR "BAR still defined")
endif()
# Test unset(... PARENT_SCOPE)
function(unset_zots)
if(NOT DEFINED ZOT1)
message(FATAL_ERROR "ZOT1 is not defined inside function")
endif()
if(NOT DEFINED ZOT2)
message(FATAL_ERROR "ZOT2 is not defined inside function")
endif()
unset(ZOT1)
unset(ZOT2 PARENT_SCOPE)
if(DEFINED ZOT1)
message(FATAL_ERROR "ZOT1 is defined inside function after unset")
endif()
if(NOT DEFINED ZOT2)
message(FATAL_ERROR
"ZOT2 is not defined inside function after unset(... PARENT_SCOPE)")
endif()
endfunction()
set(ZOT1 1)
set(ZOT2 2)
unset_zots()
if(NOT DEFINED ZOT1)
message(FATAL_ERROR "ZOT1 is not still defined after function")
endif()
if(DEFINED ZOT2)
message(FATAL_ERROR "ZOT2 is still defined after function unset PARENT_SCOPE")
endif()
add_executable(Unset unset.c)
|
