first commit

libraries/FastLED/tests/test_frame.cpp

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+
+// g++ --std=c++11 test.cpp
+
+#include "test.h"
+
+#include "test.h"
+#include "fx/frame.h"
+#include <cstdlib>
+#include "fl/allocator.h"
+
+#include "fl/namespace.h"
+FASTLED_USING_NAMESPACE
+
+namespace {
+    int allocation_count = 0;
+
+    void* custom_malloc(size_t size) {
+        allocation_count++;
+        return std::malloc(size);
+    }
+
+    void custom_free(void* ptr) {
+        allocation_count--;
+        std::free(ptr);
+    }
+}
+
+TEST_CASE("test frame custom allocator") {
+    // Set our custom allocator
+    SetPSRamAllocator(custom_malloc, custom_free);
+    
+    FramePtr frame = FramePtr::New(100);  // 100 pixels.
+    CHECK(allocation_count == 1);  // One for RGB.
+    frame.reset();
+
+    // Frame should be destroyed here
+    CHECK(allocation_count == 0);
+}
+
+
+TEST_CASE("test blend by black") {
+    SetPSRamAllocator(custom_malloc, custom_free);
+    FramePtr frame = FramePtr::New(1);  // 1 pixels.
+    frame->rgb()[0] = CRGB(255, 0, 0);  // Red
+    CRGB out;
+    frame->draw(&out, DRAW_MODE_BLEND_BY_MAX_BRIGHTNESS);
+    CHECK(out == CRGB(255, 0, 0));  // full red because max luma is 255
+    out = CRGB(0, 0, 0);
+    frame->rgb()[0] = CRGB(128, 0, 0);  // Red
+    frame->draw(&out, DRAW_MODE_BLEND_BY_MAX_BRIGHTNESS);
+    CHECK(out == CRGB(64, 0, 0));
+}