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tests: add unit tests for TransferFunction helpers (#13889)

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Ioannis Tzavaras 2026-03-28 23:41:14 +02:00 • committed by GitHub
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commit ef2e8dfd5f
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tests/helpers/TransferFunction.cpp Normal file
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#include <helpers/TransferFunction.hpp>
#include <gtest/gtest.h>
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);
}