ctest: Print custom timeout signal properties in show-only output

This was missed in commit 54c5654f7d (ctest: Optionally terminate tests
with a custom signal on timeout, 2023-05-11, v3.27.0-rc1~18^2).

Source/CTest/cmCTestMultiProcessHandler.cxx

@@ -1202,6 +1202,15 @@ static Json::Value DumpCTestProperties(
     properties.append(
       DumpCTestProperty("TIMEOUT", testProperties.Timeout->count()));
   }
+  if (testProperties.TimeoutSignal) {
+    properties.append(DumpCTestProperty("TIMEOUT_SIGNAL_NAME",
+                                        testProperties.TimeoutSignal->Name));
+  }
+  if (testProperties.TimeoutGracePeriod) {
+    properties.append(
+      DumpCTestProperty("TIMEOUT_SIGNAL_GRACE_PERIOD",
+                        testProperties.TimeoutGracePeriod->count()));
+  }
   if (!testProperties.TimeoutRegularExpressions.empty()) {
     properties.append(DumpCTestProperty(
       "TIMEOUT_AFTER_MATCH", DumpTimeoutAfterMatch(testProperties)));

Tests/RunCMake/CTestCommandLine/RunCMakeTest.cmake

@@ -469,10 +469,13 @@ function(run_ShowOnly)
   file(WRITE "${RunCMake_TEST_BINARY_DIR}/CTestTestfile.cmake" "
     add_test(ShowOnly \"${CMAKE_COMMAND}\" -E echo)
     set_tests_properties(ShowOnly PROPERTIES
-      WILL_FAIL true
       RESOURCE_GROUPS \"2,threads:2,gpus:4;gpus:2,threads:4\"
       REQUIRED_FILES RequiredFileDoesNotExist
       _BACKTRACE_TRIPLES \"file1;1;add_test;file0;;\"
+      TIMEOUT 1234.5
+      TIMEOUT_SIGNAL_NAME SIGINT
+      TIMEOUT_SIGNAL_GRACE_PERIOD 2.1
+      WILL_FAIL true
       USER_DEFINED_A \"User defined property A value\"
       USER_DEFINED_B \"User defined property B value\"
       )

Tests/RunCMake/CTestCommandLine/show-only_json-v1_check.py

@@ -1,3 +1,5 @@
+import sys
+
 from show_only_json_check import *
 
 def check_kind(k):
@@ -72,6 +74,30 @@ def check_reqfiles_property(p):
     assert len(p["value"]) == 1
     assert p["value"][0] == "RequiredFileDoesNotExist"
 
+def check_timeout_property(p):
+    assert is_dict(p)
+    assert sorted(p.keys()) == ["name", "value"]
+    assert is_string(p["name"])
+    assert is_float(p["value"])
+    assert p["name"] == "TIMEOUT"
+    assert p["value"] == 1234.5
+
+def check_timeout_signal_name_property(p):
+    assert is_dict(p)
+    assert sorted(p.keys()) == ["name", "value"]
+    assert is_string(p["name"])
+    assert is_string(p["value"])
+    assert p["name"] == "TIMEOUT_SIGNAL_NAME"
+    assert p["value"] == "SIGINT"
+
+def check_timeout_signal_grace_property(p):
+    assert is_dict(p)
+    assert sorted(p.keys()) == ["name", "value"]
+    assert is_string(p["name"])
+    assert is_float(p["value"])
+    assert p["name"] == "TIMEOUT_SIGNAL_GRACE_PERIOD"
+    assert p["value"] == 2.1
+
 def check_willfail_property(p):
     assert is_dict(p)
     assert sorted(p.keys()) == ["name", "value"]
@@ -155,12 +181,24 @@ def check_defined_properties(p_list):
 
 def check_properties(p):
     assert is_list(p)
-    assert len(p) == 6
-    check_resource_groups_property(p[0])
-    check_reqfiles_property(p[1])
-    check_willfail_property(p[2])
-    check_workingdir_property(p[3])
-    check_defined_properties(p[4:5])
+    if sys.platform in ("win32"):
+      assert len(p) == 7
+      check_resource_groups_property(p[0])
+      check_reqfiles_property(p[1])
+      check_timeout_property(p[2])
+      check_willfail_property(p[3])
+      check_workingdir_property(p[4])
+      check_defined_properties(p[5:6])
+    else:
+      assert len(p) == 9
+      check_resource_groups_property(p[0])
+      check_reqfiles_property(p[1])
+      check_timeout_property(p[2])
+      check_timeout_signal_name_property(p[3])
+      check_timeout_signal_grace_property(p[4])
+      check_willfail_property(p[5])
+      check_workingdir_property(p[6])
+      check_defined_properties(p[7:8])
 
 def check_tests(t):
     assert is_list(t)

Tests/RunCMake/CTestCommandLine/show_only_json_check.py

@@ -14,6 +14,9 @@ def is_list(x):
 def is_int(x):
     return isinstance(x, int) or isinstance(x, long)
 
+def is_float(x):
+    return isinstance(x, float)
+
 def is_string(x):
     return isinstance(x, str) or isinstance(x, unicode)