FindJPEG: Add imported target support and full test

4 files changed, 44 insertions, 0 deletions

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index aad7cfc210..38b482830f 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1359,6 +1359,10 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     add_subdirectory(FindICU)
   endif()
 
+  if(CMake_TEST_FindJPEG)
+    add_subdirectory(FindJPEG)
+  endif()
+
   if(CMake_TEST_FindJsonCpp)
     add_subdirectory(FindJsonCpp)
   endif()
diff --git a/Tests/FindJPEG/CMakeLists.txt b/Tests/FindJPEG/CMakeLists.txt
new file mode 100644
index 0000000000..c8663c560b
--- /dev/null
+++ b/Tests/FindJPEG/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindJPEG.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindJPEG/Test"
+  "${CMake_BINARY_DIR}/Tests/FindJPEG/Test"
+  ${build_generator_args}
+  --build-project TestFindJPEG
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindJPEG/Test/CMakeLists.txt b/Tests/FindJPEG/Test/CMakeLists.txt
new file mode 100644
index 0000000000..a744f8563f
--- /dev/null
+++ b/Tests/FindJPEG/Test/CMakeLists.txt
@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.1)
+project(TestFindJPEG C)
+include(CTest)
+
+find_package(JPEG)
+
+add_executable(test_jpeg_tgt main.c)
+target_link_libraries(test_jpeg_tgt JPEG::JPEG)
+add_test(NAME test_jpeg_tgt COMMAND test_jpeg_tgt)
+
+add_executable(test_jpeg_var main.c)
+target_include_directories(test_jpeg_var PRIVATE ${JPEG_INCLUDE_DIRS})
+target_link_libraries(test_jpeg_var PRIVATE ${JPEG_LIBRARIES})
+add_test(NAME test_jpeg_var COMMAND test_jpeg_var)
diff --git a/Tests/FindJPEG/Test/main.c b/Tests/FindJPEG/Test/main.c
new file mode 100644
index 0000000000..c6e48f0d64
--- /dev/null
+++ b/Tests/FindJPEG/Test/main.c
@@ -0,0 +1,16 @@
+#include <assert.h>
+#include <stdio.h>
+
+#include <jpeglib.h>
+
+int main()
+{
+  /* Without any JPEG file to open, test that the call fails as
+     expected.  This tests that linking worked. */
+  struct jpeg_decompress_struct cinfo;
+  struct jpeg_error_mgr jerr;
+  cinfo.err = jpeg_std_error(&jerr);
+  jpeg_create_decompress(&cinfo);
+
+  return 0;
+}