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-rw-r--r--Tests/Unset/CMakeLists.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Tests/Unset/CMakeLists.txt b/Tests/Unset/CMakeLists.txt
index 05a7e03..bacb6d2 100644
--- a/Tests/Unset/CMakeLists.txt
+++ b/Tests/Unset/CMakeLists.txt
@@ -32,6 +32,20 @@ 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")