find_(program,library,file,path): add validation function

Fixes: #23603

13 files changed, 73 insertions, 0 deletions

diff --git a/Tests/RunCMake/find_path/RunCMakeTest.cmake b/Tests/RunCMake/find_path/RunCMakeTest.cmake
index 63cadc2..9c76f2e 100644
--- a/Tests/RunCMake/find_path/RunCMakeTest.cmake
+++ b/Tests/RunCMake/find_path/RunCMakeTest.cmake
@@ -7,6 +7,10 @@ run_cmake(Required)
 run_cmake(NO_CACHE)
 run_cmake(REGISTRY_VIEW-no-view)
 run_cmake(REGISTRY_VIEW-wrong-view)
+run_cmake(VALIDATOR-no-function)
+run_cmake(VALIDATOR-undefined-function)
+run_cmake(VALIDATOR-specify-macro)
+run_cmake(VALIDATOR)
 
 if(APPLE)
   run_cmake(FrameworksWithSubdirs)
diff --git a/Tests/RunCMake/find_path/VALIDATOR-no-function-result.txt b/Tests/RunCMake/find_path/VALIDATOR-no-function-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-no-function-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/find_path/VALIDATOR-no-function-stderr.txt b/Tests/RunCMake/find_path/VALIDATOR-no-function-stderr.txt
new file mode 100644
index 0000000..1dfd064
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-no-function-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at VALIDATOR-no-function.cmake:[0-9]+ \(find_path\):
+  find_path missing required argument for "VALIDATOR"
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_path/VALIDATOR-no-function.cmake b/Tests/RunCMake/find_path/VALIDATOR-no-function.cmake
new file mode 100644
index 0000000..bac2752
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-no-function.cmake
@@ -0,0 +1,2 @@
+
+find_path(result NAMES input.txt VALIDATOR)
diff --git a/Tests/RunCMake/find_path/VALIDATOR-specify-macro-result.txt b/Tests/RunCMake/find_path/VALIDATOR-specify-macro-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-specify-macro-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/find_path/VALIDATOR-specify-macro-stderr.txt b/Tests/RunCMake/find_path/VALIDATOR-specify-macro-stderr.txt
new file mode 100644
index 0000000..92ee17e
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-specify-macro-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at VALIDATOR-specify-macro.cmake:[0-9]+ \(find_path\):
+  find_path command specified for "VALIDATOR" is not a function: check.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_path/VALIDATOR-specify-macro.cmake b/Tests/RunCMake/find_path/VALIDATOR-specify-macro.cmake
new file mode 100644
index 0000000..62b44ed
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-specify-macro.cmake
@@ -0,0 +1,5 @@
+
+macro(CHECK result path)
+endmacro()
+
+find_path(result NAMES input.txt VALIDATOR check)
diff --git a/Tests/RunCMake/find_path/VALIDATOR-stderr.txt b/Tests/RunCMake/find_path/VALIDATOR-stderr.txt
new file mode 100644
index 0000000..851353d
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-stderr.txt
@@ -0,0 +1,3 @@
+CHECK='[^']+/Tests/RunCMake/find_path/include/'
+CHECK='[^']+/Tests/RunCMake/find_path/include/'
+CHECK='[^']+/Tests/RunCMake/find_path/include/'
diff --git a/Tests/RunCMake/find_path/VALIDATOR-stdout.txt b/Tests/RunCMake/find_path/VALIDATOR-stdout.txt
new file mode 100644
index 0000000..3fce030
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-stdout.txt
@@ -0,0 +1,3 @@
+-- DIR='[^']+/Tests/RunCMake/find_path/include'
+-- DIR='[^']+/Tests/RunCMake/find_path/include'
+-- DIR='DIR-NOTFOUND'
diff --git a/Tests/RunCMake/find_path/VALIDATOR-undefined-function-result.txt b/Tests/RunCMake/find_path/VALIDATOR-undefined-function-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-undefined-function-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/find_path/VALIDATOR-undefined-function-stderr.txt b/Tests/RunCMake/find_path/VALIDATOR-undefined-function-stderr.txt
new file mode 100644
index 0000000..d3e0517
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-undefined-function-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at VALIDATOR-undefined-function.cmake:[0-9]+ \(find_path\):
+  find_path command specified for "VALIDATOR" is undefined: undefined.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_path/VALIDATOR-undefined-function.cmake b/Tests/RunCMake/find_path/VALIDATOR-undefined-function.cmake
new file mode 100644
index 0000000..3fb55c5
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR-undefined-function.cmake
@@ -0,0 +1,2 @@
+
+find_path(result NAMES input.txt VALIDATOR undefined)
diff --git a/Tests/RunCMake/find_path/VALIDATOR.cmake b/Tests/RunCMake/find_path/VALIDATOR.cmake
new file mode 100644
index 0000000..1e01250
--- /dev/null
+++ b/Tests/RunCMake/find_path/VALIDATOR.cmake
@@ -0,0 +1,39 @@
+
+function(CHECK_DEFAULT result filename)
+  message("CHECK='${filename}'")
+endfunction()
+
+function(CHECK_OK result filename)
+  message("CHECK='${filename}'")
+  set(${result} TRUE PARENT_SCOPE)
+endfunction()
+
+function(CHECK_KO result filename)
+  message("CHECK='${filename}'")
+  set(${result} FALSE PARENT_SCOPE)
+endfunction()
+
+
+find_path(DIR
+  NAMES PrefixInPATH.h
+  HINTS ${CMAKE_CURRENT_SOURCE_DIR}/include
+  VALIDATOR check_default
+  )
+message(STATUS "DIR='${DIR}'")
+unset(DIR CACHE)
+
+find_path(DIR
+  NAMES PrefixInPATH.h
+  HINTS ${CMAKE_CURRENT_SOURCE_DIR}/include
+  VALIDATOR check_ok
+  )
+message(STATUS "DIR='${DIR}'")
+unset(DIR CACHE)
+
+find_path(DIR
+  NAMES PrefixInPATH.h
+  HINTS ${CMAKE_CURRENT_SOURCE_DIR}/include
+  VALIDATOR check_ko
+  )
+message(STATUS "DIR='${DIR}'")
+unset(DIR CACHE)