Fix get_(cmake|test)_property documentation (#11703)

The signature of get_test_property uses argument order

  test property VAR

not

  test VAR property

Also document the actual behavior when the property is not found.

2 files changed, 8 insertions, 7 deletions

diff --git a/Source/cmGetCMakePropertyCommand.h b/Source/cmGetCMakePropertyCommand.h
index c78671e..acbbfee 100644
--- a/Source/cmGetCMakePropertyCommand.h
+++ b/Source/cmGetCMakePropertyCommand.h
@@ -54,9 +54,10 @@ public:
     {
       return
         "  get_cmake_property(VAR property)\n"
-        "Get a property from the CMake instance.  The value of the "
-        "property is stored in the variable VAR. If the property is "
-        "not found, CMake will report an error. Some supported properties "
+        "Get a property from the CMake instance.  "
+        "The value of the property is stored in the variable VAR.  "
+        "If the property is not found, VAR will be set to \"NOTFOUND\".  "
+        "Some supported properties "
         "include: VARIABLES, CACHE_VARIABLES, COMMANDS, MACROS, and "
         "COMPONENTS.";
     }
diff --git a/Source/cmGetTestPropertyCommand.h b/Source/cmGetTestPropertyCommand.h
index 956cf55..2b58ab9 100644
--- a/Source/cmGetTestPropertyCommand.h
+++ b/Source/cmGetTestPropertyCommand.h
@@ -48,10 +48,10 @@ public:
   virtual const char* GetFullDocumentation()
     {
     return
-      "  get_test_property(test VAR property)\n"
-      "Get a property from the Test.  The value of the property is " 
-      "stored in the variable VAR. If the property is not found, "
-      "CMake will report an error. For a list of standard properties "
+      "  get_test_property(test property VAR)\n"
+      "Get a property from the Test.  The value of the property is "
+      "stored in the variable VAR.  If the property is not found, VAR "
+      "will be set to \"NOTFOUND\". For a list of standard properties "
       "you can type cmake --help-property-list";
     }