Files
video-shader-toys/tests/RuntimeParameterUtilsTests.cpp
2026-05-05 23:18:50 +10:00

142 lines
4.6 KiB
C++

#include "RuntimeParameterUtils.h"
#include <cmath>
#include <iostream>
#include <string>
namespace
{
int gFailures = 0;
void Expect(bool condition, const char* message)
{
if (condition)
return;
std::cerr << "FAIL: " << message << "\n";
++gFailures;
}
ShaderParameterDefinition MakeFloatDefinition()
{
ShaderParameterDefinition definition;
definition.id = "gain";
definition.type = ShaderParameterType::Float;
definition.defaultNumbers = { 0.5 };
definition.minNumbers = { 0.0 };
definition.maxNumbers = { 1.0 };
return definition;
}
void TestSafePresetFileStems()
{
Expect(MakeSafePresetFileStem(" Show Look 01 ") == "show-look-01", "preset names are trimmed and dashed");
Expect(MakeSafePresetFileStem("A__B---C") == "a-b-c", "duplicate separators collapse");
Expect(MakeSafePresetFileStem("../Unsafe Name!") == "unsafe-name", "unsafe punctuation is dropped");
Expect(MakeSafePresetFileStem("!!!") == "", "names without alphanumeric characters become empty");
}
void TestFloatNormalization()
{
ShaderParameterDefinition definition = MakeFloatDefinition();
ShaderParameterValue value;
std::string error;
Expect(NormalizeAndValidateParameterValue(definition, JsonValue(2.0), value, error), "float parameter accepts numeric values");
Expect(value.numberValues.size() == 1 && value.numberValues.front() == 1.0, "float parameter clamps to max");
error.clear();
Expect(NormalizeAndValidateParameterValue(definition, JsonValue(-10.0), value, error), "float parameter accepts low numeric values");
Expect(value.numberValues.size() == 1 && value.numberValues.front() == 0.0, "float parameter clamps to min");
error.clear();
Expect(!NormalizeAndValidateParameterValue(definition, JsonValue("bad"), value, error), "float parameter rejects non-numeric values");
Expect(!error.empty(), "float rejection includes an error");
}
void TestVectorNormalization()
{
ShaderParameterDefinition definition;
definition.id = "offset";
definition.type = ShaderParameterType::Vec2;
definition.defaultNumbers = { 0.0, 0.0 };
definition.minNumbers = { -1.0, -2.0 };
definition.maxNumbers = { 1.0, 2.0 };
JsonValue input = JsonValue::MakeArray();
input.pushBack(JsonValue(5.0));
input.pushBack(JsonValue(-5.0));
ShaderParameterValue value;
std::string error;
Expect(NormalizeAndValidateParameterValue(definition, input, value, error), "vec2 parameter accepts arrays");
Expect(value.numberValues.size() == 2 && value.numberValues[0] == 1.0 && value.numberValues[1] == -2.0, "vec2 parameter clamps each component");
JsonValue shortInput = JsonValue::MakeArray();
shortInput.pushBack(JsonValue(0.0));
error.clear();
Expect(!NormalizeAndValidateParameterValue(definition, shortInput, value, error), "vec2 parameter rejects wrong component count");
}
void TestEnumAndDefaults()
{
ShaderParameterDefinition definition;
definition.id = "mode";
definition.type = ShaderParameterType::Enum;
definition.defaultEnumValue = "soft";
definition.enumOptions = {
{ "soft", "Soft" },
{ "hard", "Hard" }
};
ShaderParameterValue defaultValue = DefaultValueForDefinition(definition);
Expect(defaultValue.enumValue == "soft", "enum default is copied from definition");
ShaderParameterValue value;
std::string error;
Expect(NormalizeAndValidateParameterValue(definition, JsonValue("hard"), value, error), "enum accepts listed options");
Expect(value.enumValue == "hard", "enum stores selected option");
error.clear();
Expect(!NormalizeAndValidateParameterValue(definition, JsonValue("other"), value, error), "enum rejects unknown options");
}
void TestTextNormalization()
{
ShaderParameterDefinition definition;
definition.id = "titleText";
definition.type = ShaderParameterType::Text;
definition.defaultTextValue = "DEFAULT";
definition.maxLength = 6;
ShaderParameterValue defaultValue = DefaultValueForDefinition(definition);
Expect(defaultValue.textValue == "DEFAUL", "text default is clamped to max length");
ShaderParameterValue value;
std::string error;
Expect(NormalizeAndValidateParameterValue(definition, JsonValue("ABC\tDEF\x01GHI"), value, error), "text accepts string values");
Expect(value.textValue == "ABCDEF", "text drops non-printable characters and clamps length");
error.clear();
Expect(!NormalizeAndValidateParameterValue(definition, JsonValue(12.0), value, error), "text rejects non-string values");
}
}
int main()
{
TestSafePresetFileStems();
TestFloatNormalization();
TestVectorNormalization();
TestEnumAndDefaults();
TestTextNormalization();
if (gFailures != 0)
{
std::cerr << gFailures << " RuntimeParameterUtils test failure(s).\n";
return 1;
}
std::cout << "RuntimeParameterUtils tests passed.\n";
return 0;
}