Tests: Add COMPATIBLE_INTERFACE_ cases outside usage requirements

Source/cmGeneratorExpressionNode.cxx

@@ -2968,6 +2968,10 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
                                                           context->Config);
         return propContent ? propContent : "";
       }
+      // FIXME: This duplicates the COMPATIBLE_INTERFACE_NUMBER_{MAX,MIN}
+      // evaluation below because it is not reached when evaluating outside of
+      // usage requirements, such as in add_custom_target, because there is no
+      // dagCheckerParent.
       if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName,
                                                             context->Config)) {
         context->HadContextSensitiveCondition = true;

Tests/CompatibleInterface/CMakeLists.txt

@@ -201,3 +201,44 @@ set_property(TARGET iface3 PROPERTY STRING_PROP4 prop4)
 set_property(TARGET iface3 PROPERTY NUMBER_MIN_PROP6 7)
 set_property(TARGET iface3 PROPERTY NUMBER_MAX_PROP4 1)
 target_link_libraries(iface3 INTERFACE iface1)
+
+# Test COMPATIBLE_INTERFACE_* property evaluation outside of usage requirements.
+add_custom_target(check ALL VERBATIM
+  COMMAND CompatibleInterface
+  # expect     actual
+    "1"        "$<TARGET_PROPERTY:CompatibleInterface,BOOL_PROP1>"
+    "prop1"    "$<TARGET_PROPERTY:CompatibleInterface,STRING_PROP1>"
+    "3"        "$<TARGET_PROPERTY:CompatibleInterface,NUMBER_MAX_PROP3>"
+    "5"        "$<TARGET_PROPERTY:CompatibleInterface,NUMBER_MIN_PROP5>"
+
+    "1"        "$<TARGET_PROPERTY:static1,BOOL_PROP1>"
+    "prop1"    "$<TARGET_PROPERTY:static1,STRING_PROP1>"
+    "3"        "$<TARGET_PROPERTY:static1,NUMBER_MAX_PROP3>"
+    "5"        "$<TARGET_PROPERTY:static1,NUMBER_MIN_PROP5>"
+
+    ""         "$<TARGET_PROPERTY:object1,BOOL_PROP1>"
+    ""         "$<TARGET_PROPERTY:object1,STRING_PROP1>"
+    ""         "$<TARGET_PROPERTY:object1,NUMBER_MAX_PROP3>"
+    ""         "$<TARGET_PROPERTY:object1,NUMBER_MIN_PROP5>"
+
+    ""         "$<TARGET_PROPERTY:iface3,BOOL_PROP1>"
+    ""         "$<TARGET_PROPERTY:iface3,STRING_PROP1>"
+    ""         "$<TARGET_PROPERTY:iface3,NUMBER_MAX_PROP3>"
+    ""         "$<TARGET_PROPERTY:iface3,NUMBER_MIN_PROP5>"
+
+    "ON"       "$<TARGET_PROPERTY:static1,BOOL_PROP5>"
+    "prop4"    "$<TARGET_PROPERTY:static1,STRING_PROP4>"
+    #FIXME: These two cases do not work correctly.
+    #"6"        "$<TARGET_PROPERTY:static1,NUMBER_MIN_PROP6>"
+    #"4"        "$<TARGET_PROPERTY:static1,NUMBER_MAX_PROP4>"
+
+    "ON"       "$<TARGET_PROPERTY:object1,BOOL_PROP5>"
+    "prop4"    "$<TARGET_PROPERTY:object1,STRING_PROP4>"
+    "7"        "$<TARGET_PROPERTY:object1,NUMBER_MIN_PROP6>"
+    "1"        "$<TARGET_PROPERTY:object1,NUMBER_MAX_PROP4>"
+
+    "ON"       "$<TARGET_PROPERTY:iface3,BOOL_PROP5>"
+    "prop4"    "$<TARGET_PROPERTY:iface3,STRING_PROP4>"
+    "7"        "$<TARGET_PROPERTY:iface3,NUMBER_MIN_PROP6>"
+    "1"        "$<TARGET_PROPERTY:iface3,NUMBER_MAX_PROP4>"
+  )

Tests/CompatibleInterface/main.cpp

@@ -1,3 +1,5 @@
+#include <stdio.h>
+#include <string.h>
 
 #ifndef BOOL_PROP1
 #  error Expected BOOL_PROP1
@@ -149,6 +151,14 @@ __declspec(dllimport)
 
 int main(int argc, char** argv)
 {
+  int result = 0;
+  for (int i = 2; i < argc; i += 2) {
+    if (strcmp(argv[i - 1], argv[i]) != 0) {
+      fprintf(stderr, "Argument %d expected '%s' but got '%s'.\n", i,
+              argv[i - 1], argv[i]);
+      result = 1;
+    }
+  }
   Iface2 if2;
-  return if2.foo() + foo() + bar();
+  return result + if2.foo() + foo() + bar();
 }