Added trigger

tests/RuntimeParameterUtilsTests.cpp

@@ -167,6 +167,28 @@ void TestTextNormalization()
 	error.clear();
 	Expect(!NormalizeAndValidateParameterValue(definition, JsonValue(12.0), value, error), "text rejects non-string values");
 }
+
+void TestTriggerNormalization()
+{
+	ShaderParameterDefinition definition;
+	definition.id = "burst";
+	definition.type = ShaderParameterType::Trigger;
+
+	ShaderParameterValue defaultValue = DefaultValueForDefinition(definition);
+	Expect(defaultValue.numberValues.size() == 2 && defaultValue.numberValues[0] == 0.0, "trigger defaults to an unfired count");
+	Expect(defaultValue.numberValues[1] < 0.0, "trigger default time is safely in the past");
+
+	ShaderParameterValue value;
+	std::string error;
+	Expect(NormalizeAndValidateParameterValue(definition, JsonValue(4.8), value, error), "trigger accepts numeric counts");
+	Expect(value.numberValues.size() == 2 && value.numberValues[0] == 4.0, "trigger count is floored to an integer");
+
+	error.clear();
+	Expect(NormalizeAndValidateParameterValue(definition, JsonValue(true), value, error), "trigger accepts boolean pulse values");
+
+	error.clear();
+	Expect(!NormalizeAndValidateParameterValue(definition, JsonValue("fire"), value, error), "trigger rejects string values");
+}
 }
 
 int main()
@@ -177,6 +199,7 @@ int main()
 	TestColorAndBooleanNormalization();
 	TestEnumAndDefaults();
 	TestTextNormalization();
+	TestTriggerNormalization();
 
 	if (gFailures != 0)
 	{