FindJasper: Add IMPORTED target

Fixes: #20601
Signed-off-by: Hiroshi Miura <miurahr@linux.com>

3 files changed, 43 insertions, 0 deletions

diff --git a/Tests/FindJasper/CMakeLists.txt b/Tests/FindJasper/CMakeLists.txt
new file mode 100644
index 0000000..1bfae78
--- /dev/null
+++ b/Tests/FindJasper/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindJasper.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindJasper/Test"
+  "${CMake_BINARY_DIR}/Tests/FindJasper/Test"
+  ${build_generator_args}
+  --build-project TestFindJasper
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindJasper/Test/CMakeLists.txt b/Tests/FindJasper/Test/CMakeLists.txt
new file mode 100644
index 0000000..1e9467d
--- /dev/null
+++ b/Tests/FindJasper/Test/CMakeLists.txt
@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.21)
+project(TestFindJasper C)
+include(CTest)
+
+find_package(Jasper)
+
+add_definitions(-DCMAKE_EXPECTED_JASPER_VERSION=${JASPER_VERSION_STRING})
+
+add_executable(test_jasper_tgt main.c)
+target_link_libraries(test_jasper_tgt Jasper::Jasper)
+add_test(NAME test_jasper_tgt COMMAND test_jasper_tgt)
+
+add_executable(test_jasper_var main.c)
+target_include_directories(test_jasper_var PRIVATE ${JASPER_INCLUDE_DIRS})
+target_link_libraries(test_jasper_var PRIVATE ${JASPER_LIBRARIES})
+add_test(NAME test_jasper_var COMMAND test_jasper_var)
diff --git a/Tests/FindJasper/Test/main.c b/Tests/FindJasper/Test/main.c
new file mode 100644
index 0000000..771344d
--- /dev/null
+++ b/Tests/FindJasper/Test/main.c
@@ -0,0 +1,17 @@
+#include <assert.h>
+// clang-format off
+#include <stdio.h>
+#include <jasper/jasper.h>
+// clang-format on
+
+int main()
+{
+  /* Without any JPEG file to open, test that the call fails as
+     expected.  This tests that linking worked. */
+  jas_init();
+  jas_image_t* img = jas_image_create0();
+  jas_image_destroy(img);
+  jas_cleanup();
+
+  return (JAS_VERSION != CMAKE_EXPECTED_JASPER_VERSION);
+}