sTodo-m5paper-client/libraries/FastLED/tests/test_screenmap.cpp

// g++ --std=c++11 test.cpp

#include "test.h"

#include "test.h"
#include "fl/screenmap.h"

#include "fl/namespace.h"
FASTLED_USING_NAMESPACE

using fl::Str;

TEST_CASE("ScreenMap basic functionality") {
    // Create a screen map for 3 LEDs
    ScreenMap map(3);
    
    // Set some x,y coordinates
    map.set(0, {1.0f, 2.0f});
    map.set(1, {3.0f, 4.0f});
    map.set(2, {5.0f, 6.0f});
    
    // Test coordinate retrieval
    CHECK(map[0].x == 1.0f);
    CHECK(map[0].y == 2.0f);
    CHECK(map[1].x == 3.0f);
    CHECK(map[1].y == 4.0f);
    CHECK(map[2].x == 5.0f);
    CHECK(map[2].y == 6.0f);
    
    // Test length
    CHECK(map.getLength() == 3);
    
    // Test diameter (default should be -1.0)
    CHECK(map.getDiameter() == -1.0f);
    
    // Test mapToIndex (should give same results as operator[])
    auto coords = map.mapToIndex(1);
    CHECK(coords.x == 3.0f);
    CHECK(coords.y == 4.0f);
}

TEST_CASE("ScreenMap JSON parsing") {
    const char* json = R"({
        "map": {
            "strip1": {
                "x": [10.5, 30.5, 50.5],
                "y": [20.5, 40.5, 60.5],
                "diameter": 2.5
            },
            "strip2": {
                "x": [15.0, 35.0],
                "y": [25.0, 45.0],
                "diameter": 1.5
            }
            
        }
    })";

    fl::FixedMap<Str, ScreenMap, 16> segmentMaps;
    ScreenMap::ParseJson(json, &segmentMaps);

    ScreenMap& strip1 = segmentMaps["strip1"];
    ScreenMap& strip2 = segmentMaps["strip2"];

    // Check first strip

    CHECK(strip1.getLength() == 3);
    CHECK(strip1.getDiameter() == 2.5f);
    CHECK(strip1[0].x == 10.5f);
    CHECK(strip1[0].y == 20.5f);
    CHECK(strip1[1].x == 30.5f);
    CHECK(strip1[1].y == 40.5f);

    // Check second strip
    CHECK(strip2.getLength() == 2);
    CHECK(strip2.getDiameter() == 1.5f);
    CHECK(strip2[0].x == 15.0f);
    CHECK(strip2[0].y == 25.0f);
    CHECK(strip2[1].x == 35.0f);
    CHECK(strip2[1].y == 45.0f);
}

TEST_CASE("ScreenMap multiple strips JSON serialization") {
    // Create a map with multiple strips
    fl::FixedMap<Str, ScreenMap, 16> originalMaps;
    
    // First strip
    ScreenMap strip1(2, 2.0f);
    strip1.set(0, {1.0f, 2.0f});
    strip1.set(1, {3.0f, 4.0f});
    originalMaps.insert("strip1", strip1);
    
    // Second strip
    ScreenMap strip2(3, 1.5f);
    strip2.set(0, {10.0f, 20.0f});
    strip2.set(1, {30.0f, 40.0f});
    strip2.set(2, {50.0f, 60.0f});
    originalMaps.insert("strip2", strip2);

    // Serialize to JSON string
    Str jsonStr;
    ScreenMap::toJsonStr(originalMaps, &jsonStr);

    // Deserialize back to a new map
    fl::FixedMap<Str, ScreenMap, 16> deserializedMaps;
    ScreenMap::ParseJson(jsonStr.c_str(), &deserializedMaps);

    // Verify first strip
    ScreenMap& deserializedStrip1 = deserializedMaps["strip1"];
    CHECK(deserializedStrip1.getLength() == 2);
    CHECK(deserializedStrip1.getDiameter() == 2.0f);
    CHECK(deserializedStrip1[0].x == 1.0f);
    CHECK(deserializedStrip1[0].y == 2.0f);
    CHECK(deserializedStrip1[1].x == 3.0f);
    CHECK(deserializedStrip1[1].y == 4.0f);

    // Verify second strip
    ScreenMap& deserializedStrip2 = deserializedMaps["strip2"];
    CHECK(deserializedStrip2.getLength() == 3);
    CHECK(deserializedStrip2.getDiameter() == 1.5f);
    CHECK(deserializedStrip2[0].x == 10.0f);
    CHECK(deserializedStrip2[0].y == 20.0f);
    CHECK(deserializedStrip2[1].x == 30.0f);
    CHECK(deserializedStrip2[1].y == 40.0f);
    CHECK(deserializedStrip2[2].x == 50.0f);
    CHECK(deserializedStrip2[2].y == 60.0f);
}

TEST_CASE("ScreenMap getBounds functionality") {
    // Create a screen map with points at different coordinates
    ScreenMap map(4);
    map.set(0, {1.0f, 2.0f});
    map.set(1, {-3.0f, 4.0f});
    map.set(2, {5.0f, -6.0f});
    map.set(3, {-2.0f, -1.0f});
    
    // Get the bounds
    vec2f bounds = map.getBounds();
    
    // The bounds should be the difference between max and min values
    // Max X: 5.0, Min X: -3.0 => Width = 8.0
    // Max Y: 4.0, Min Y: -6.0 => Height = 10.0
    CHECK(bounds.x == 8.0f);
    CHECK(bounds.y == 10.0f);
    
    // Test with a single point
    ScreenMap singlePoint(1);
    singlePoint.set(0, {3.5f, 4.5f});
    vec2f singleBounds = singlePoint.getBounds();
    CHECK(singleBounds.x == 0.0f);
    CHECK(singleBounds.y == 0.0f);
    
    // Test with an empty map
    ScreenMap emptyMap(0);
    vec2f emptyBounds = emptyMap.getBounds();
    CHECK(emptyBounds.x == 0.0f);
    CHECK(emptyBounds.y == 0.0f);
}