imported from "final" folder

.pio/libdeps/esp01_1m/FastLED/tests/test_ostream.cpp

@@ -0,0 +1,69 @@
+#include "fl/ostream.h"
+#include "test.h"
+#include <cstring>
+
+// Since we can't override the fl::print function easily in this test setup,
+// we'll just verify that the ostream compiles and basic functionality works
+
+TEST_CASE("fl::cout basic operations compile and run without crash") {
+    // Test basic string output - should not crash
+    fl::cout << "Hello, World!";
+    
+    // Test integer output - should not crash
+    fl::cout << 42;
+    fl::cout << -123;
+    
+    // Test character output - should not crash
+    fl::cout << 'A';
+    
+    // Test float output - should not crash
+    fl::cout << 3.14f;
+    fl::cout << 2.718;
+    
+    // Test various integer types - should not crash
+    fl::cout << static_cast<int8_t>(127);
+    fl::cout << static_cast<uint8_t>(255);
+    fl::cout << static_cast<int16_t>(32767);
+    fl::cout << static_cast<uint16_t>(65535);
+    fl::cout << static_cast<int32_t>(2147483647);
+    fl::cout << static_cast<uint32_t>(4294967295U);
+    
+    // Test chaining - should not crash
+    fl::cout << "Value: " << 42 << " End";
+    
+    // Test endl - should not crash
+    fl::cout << "Line 1" << fl::endl << "Line 2";
+    
+    // Test null safety - should not crash
+    const char* null_str = nullptr;
+    fl::cout << null_str;
+    
+    // Test string objects
+    fl::string test_str = "Test string";
+    fl::cout << test_str;
+    
+    // If we got here without crashing, the basic functionality works
+    CHECK(true);
+}
+
+TEST_CASE("fl::cout type conversions work correctly") {
+    // We can't easily capture output for verification in this test setup,
+    // but we can verify that the type conversion methods don't crash
+    // and that temporary string objects are created properly
+    
+    // Test that we can create a temporary string and append different types
+    fl::string temp;
+    temp.append(42);
+    CHECK_EQ(temp, "42");
+    
+    temp.clear();
+    temp.append(-123);
+    CHECK_EQ(temp, "-123");
+    
+    temp.clear();
+    temp.append(3.14f);
+    CHECK(temp.find("3.1") != fl::string::npos);
+    
+    // The cout should use the same underlying string append mechanisms
+    CHECK(true);
+}