From ef2e8dfd5f7e6ee55fa7bc48e44974e64938d14a Mon Sep 17 00:00:00 2001 From: Ioannis Tzavaras Date: Sat, 28 Mar 2026 23:41:14 +0200 Subject: [PATCH] tests: add unit tests for TransferFunction helpers (#13889) --- tests/helpers/TransferFunction.cpp | 43 ++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 tests/helpers/TransferFunction.cpp diff --git a/tests/helpers/TransferFunction.cpp b/tests/helpers/TransferFunction.cpp new file mode 100644 index 000000000..8d5c21e3c --- /dev/null +++ b/tests/helpers/TransferFunction.cpp @@ -0,0 +1,43 @@ +#include + +#include + +using namespace NTransferFunction; + +TEST(Helpers, transferFunctionFromStringNamed) { + EXPECT_EQ(fromString("default"), TF_DEFAULT); + EXPECT_EQ(fromString("auto"), TF_AUTO); + EXPECT_EQ(fromString("srgb"), TF_SRGB); + EXPECT_EQ(fromString("gamma22"), TF_GAMMA22); + EXPECT_EQ(fromString("gamma22force"), TF_FORCED_GAMMA22); +} + +TEST(Helpers, transferFunctionFromStringNumeric) { + EXPECT_EQ(fromString("0"), TF_DEFAULT); + EXPECT_EQ(fromString("1"), TF_GAMMA22); + EXPECT_EQ(fromString("2"), TF_FORCED_GAMMA22); + EXPECT_EQ(fromString("3"), TF_SRGB); +} + +TEST(Helpers, transferFunctionFromStringInvalid) { + EXPECT_EQ(fromString(""), TF_DEFAULT); + EXPECT_EQ(fromString("invalid"), TF_DEFAULT); + EXPECT_EQ(fromString("SRGB"), TF_DEFAULT); + EXPECT_EQ(fromString("Gamma22"), TF_DEFAULT); +} + +TEST(Helpers, transferFunctionToString) { + EXPECT_FALSE(toString(TF_DEFAULT).empty()); + EXPECT_FALSE(toString(TF_AUTO).empty()); + EXPECT_FALSE(toString(TF_SRGB).empty()); + EXPECT_FALSE(toString(TF_GAMMA22).empty()); + EXPECT_FALSE(toString(TF_FORCED_GAMMA22).empty()); +} + +TEST(Helpers, transferFunctionRoundTrip) { + EXPECT_EQ(fromString(toString(TF_DEFAULT)), TF_DEFAULT); + EXPECT_EQ(fromString(toString(TF_AUTO)), TF_AUTO); + EXPECT_EQ(fromString(toString(TF_SRGB)), TF_SRGB); + EXPECT_EQ(fromString(toString(TF_GAMMA22)), TF_GAMMA22); + EXPECT_EQ(fromString(toString(TF_FORCED_GAMMA22)), TF_FORCED_GAMMA22); +}