find_package: raise error on empty version range

9 files changed, 81 insertions, 11 deletions

diff --git a/Tests/RunCMake/find_package/EmptyVersionRange-result.txt b/Tests/RunCMake/find_package/EmptyVersionRange-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/find_package/EmptyVersionRange-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/find_package/EmptyVersionRange-stderr.txt b/Tests/RunCMake/find_package/EmptyVersionRange-stderr.txt
new file mode 100644
index 0000000..9c00b96
--- /dev/null
+++ b/Tests/RunCMake/find_package/EmptyVersionRange-stderr.txt
@@ -0,0 +1,10 @@
+CMake Error at EmptyVersionRange.cmake:[0-9]+ \(find_package\):
+  find_package specified version range is empty.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
+
+
+CMake Error at EmptyVersionRange.cmake:[0-9]+ \(find_package\):
+  find_package specified version range is empty.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_package/EmptyVersionRange.cmake b/Tests/RunCMake/find_package/EmptyVersionRange.cmake
new file mode 100644
index 0000000..553e297
--- /dev/null
+++ b/Tests/RunCMake/find_package/EmptyVersionRange.cmake
@@ -0,0 +1,3 @@
+find_package(VersionRange 2.3...1.2)
+
+find_package(VersionRange 2.3...<2.3)
diff --git a/Tests/RunCMake/find_package/FindVersionRange.cmake b/Tests/RunCMake/find_package/FindVersionRange.cmake
index ff84e93..27e5b90 100644
--- a/Tests/RunCMake/find_package/FindVersionRange.cmake
+++ b/Tests/RunCMake/find_package/FindVersionRange.cmake
@@ -3,19 +3,19 @@ if (NOT VersionRange_FIND_VERSION_COMPLETE STREQUAL VersionRange_SPECIFIED_VERSI
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_COMPLETE: ${VersionRange_FIND_VERSION_COMPLETE}")
 endif()
 
-if (NOT VersionRange_FIND_VERSION VERSION_EQUAL "1.2.3.4")
+if (NOT VersionRange_FIND_VERSION VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION: ${VersionRange_FIND_VERSION}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MAJOR VERSION_EQUAL "1")
+if (NOT VersionRange_FIND_VERSION_MAJOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MAJOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MAJOR: ${VersionRange_FIND_VERSION_MAJOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MINOR VERSION_EQUAL "2")
+if (NOT VersionRange_FIND_VERSION_MINOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MINOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MINOR: ${VersionRange_FIND_VERSION_MINOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_PATCH VERSION_EQUAL "3")
+if (NOT VersionRange_FIND_VERSION_PATCH VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_PATCH)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_PATCH: ${VersionRange_FIND_VERSION_PATCH}")
 endif()
-if (NOT VersionRange_FIND_VERSION_TWEAK VERSION_EQUAL "4")
+if (NOT VersionRange_FIND_VERSION_TWEAK VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_TWEAK)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_TWEAK: ${VersionRange_FIND_VERSION_TWEAK}")
 endif()
 
@@ -35,19 +35,19 @@ else()
   endif()
 endif()
 
-if (NOT VersionRange_FIND_VERSION_MIN VERSION_EQUAL "1.2.3.4")
-  message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN: ${VersionRange_FIND_VERSION}")
+if (NOT VersionRange_FIND_VERSION_MIN VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN)
+  message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN: ${VersionRange_FIND_VERSION_MIN}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_MAJOR VERSION_EQUAL "1")
+if (NOT VersionRange_FIND_VERSION_MIN_MAJOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MAJOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_MAJOR: ${VersionRange_FIND_VERSION_MIN_MAJOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_MINOR VERSION_EQUAL "2")
+if (NOT VersionRange_FIND_VERSION_MIN_MINOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MINOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_MINOR: ${VersionRange_FIND_VERSION_MIN_MINOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_PATCH VERSION_EQUAL "3")
+if (NOT VersionRange_FIND_VERSION_MIN_PATCH VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_PATCH)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_PATCH: ${VersionRange_FIND_VERSION_MIN_PATCH}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_TWEAK VERSION_EQUAL "4")
+if (NOT VersionRange_FIND_VERSION_MIN_TWEAK VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_TWEAK)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_TWEAK: ${VersionRange_FIND_VERSION_MIN_TWEAK}")
 endif()
 
diff --git a/Tests/RunCMake/find_package/RunCMakeTest.cmake b/Tests/RunCMake/find_package/RunCMakeTest.cmake
index 7755a70..a899f46 100644
--- a/Tests/RunCMake/find_package/RunCMakeTest.cmake
+++ b/Tests/RunCMake/find_package/RunCMakeTest.cmake
@@ -30,10 +30,12 @@ run_cmake(CMP0084-OLD)
 run_cmake(CMP0084-WARN)
 run_cmake(CMP0084-NEW)
 run_cmake(WrongVersionRange)
+run_cmake(EmptyVersionRange)
 run_cmake(VersionRangeWithEXACT)
 run_cmake(VersionRange)
 run_cmake(VersionRange2)
 run_cmake(VersionRange3)
+run_cmake(VersionRange4)
 run_cmake(VersionRangeConfig)
 run_cmake(VersionRangeConfig2)
 run_cmake(VersionRangeConfigStd)
diff --git a/Tests/RunCMake/find_package/VersionRange.cmake b/Tests/RunCMake/find_package/VersionRange.cmake
index b3d8950..30b88a8 100644
--- a/Tests/RunCMake/find_package/VersionRange.cmake
+++ b/Tests/RunCMake/find_package/VersionRange.cmake
@@ -3,6 +3,11 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set (VersionRange_SPECIFIED_VERSION_COMPLETE 1.2.3.4...5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_RANGE 1.2.3.4...5.6.7.8)
+set (VersionRange_SPECIFIED_VERSION_MIN 1.2.3.4)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 1)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 4)
 set (VersionRange_SPECIFIED_VERSION_MAX 5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 5)
 set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 6)
diff --git a/Tests/RunCMake/find_package/VersionRange2.cmake b/Tests/RunCMake/find_package/VersionRange2.cmake
index d0e685b..9adcc64 100644
--- a/Tests/RunCMake/find_package/VersionRange2.cmake
+++ b/Tests/RunCMake/find_package/VersionRange2.cmake
@@ -3,6 +3,11 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set (VersionRange_SPECIFIED_VERSION_COMPLETE 1.2.3.4...<5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_RANGE 1.2.3.4...<5.6.7.8)
+set (VersionRange_SPECIFIED_VERSION_MIN 1.2.3.4)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 1)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 4)
 set (VersionRange_SPECIFIED_VERSION_MAX 5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 5)
 set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 6)
diff --git a/Tests/RunCMake/find_package/VersionRange3.cmake b/Tests/RunCMake/find_package/VersionRange3.cmake
index 76eef1d..41efac4 100644
--- a/Tests/RunCMake/find_package/VersionRange3.cmake
+++ b/Tests/RunCMake/find_package/VersionRange3.cmake
@@ -5,6 +5,11 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set (VersionRange_SPECIFIED_VERSION_COMPLETE 1.2.3.4...<2.3.4.5)
 set (VersionRange_SPECIFIED_VERSION_RANGE 1.2.3.4...<2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MIN 1.2.3.4)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 1)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 4)
 set (VersionRange_SPECIFIED_VERSION_MAX 2.3.4.5)
 set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 2)
 set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 3)
diff --git a/Tests/RunCMake/find_package/VersionRange4.cmake b/Tests/RunCMake/find_package/VersionRange4.cmake
new file mode 100644
index 0000000..0953d04
--- /dev/null
+++ b/Tests/RunCMake/find_package/VersionRange4.cmake
@@ -0,0 +1,39 @@
+
+# show the effect of the exclusion or inclusion of the upper endpoint
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
+
+set (VersionRange_SPECIFIED_VERSION_COMPLETE 2.3.4.5...2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_RANGE 2.3.4.5...2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MIN 2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 4)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 5)
+set (VersionRange_SPECIFIED_VERSION_MAX 2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 2)
+set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 3)
+set (VersionRange_SPECIFIED_VERSION_MAX_PATCH 4)
+set (VersionRange_SPECIFIED_VERSION_MAX_TWEAK 5)
+
+find_package (VersionRange ${VersionRange_SPECIFIED_VERSION_RANGE})
+
+if (NOT VersionRange_FOUND)
+  message (FATAL_ERROR "Package VersionRange not found.")
+endif()
+
+if (NOT VersionRange_VERSION VERSION_EQUAL "2.3.4.5")
+  message (SEND_ERROR "Wrong version : ${VersionRange_VERSION}")
+endif()
+if (NOT VersionRange_VERSION_MAJOR VERSION_EQUAL "2")
+  message (SEND_ERROR "Wrong major version : ${VersionRange_VERSION_MAJOR}")
+endif()
+if (NOT VersionRange_VERSION_MINOR VERSION_EQUAL "3")
+  message (SEND_ERROR "Wrong minor version : ${VersionRange_VERSION_MINOR}")
+endif()
+if (NOT VersionRange_VERSION_PATCH VERSION_EQUAL "4")
+  message (SEND_ERROR "Wrong patch version : ${VersionRange_VERSION_PATCH}")
+endif()
+if (NOT VersionRange_VERSION_TWEAK VERSION_EQUAL "5")
+  message (SEND_ERROR "Wrong tweak version : ${VersionRange_VERSION_TWEAK}")
+endif()