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More variable fonts testing
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‎tests/data/fonts/Linefont-VariableFont_wdth,wght.ttf‎

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‎tests/yup_graphics/yup_Font.cpp‎

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@@ -25,6 +25,19 @@
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using namespace yup;
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namespace
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{
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File getValidFontFile()
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{
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return File (__FILE__)
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.getParentDirectory()
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.getParentDirectory()
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.getChildFile ("data")
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.getChildFile ("fonts")
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.getChildFile ("Linefont-VariableFont_wdth,wght.ttf");
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}
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} // namespace
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// ==============================================================================
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// Constructor and Assignment Tests
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// ==============================================================================
@@ -137,6 +150,342 @@ TEST (FontTests, LoadFromDirectory)
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EXPECT_FALSE (result.wasOk());
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}
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TEST (FontTests, LoadFromFileWithValidFile)
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{
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Font font;
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File fontFile = getValidFontFile();
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Result result = font.loadFromFile (fontFile);
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EXPECT_TRUE (result.wasOk());
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EXPECT_TRUE (result.getErrorMessage().isEmpty());
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}
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// ==============================================================================
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// Variable Font Tests
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// ==============================================================================
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TEST (FontTests, VariableFont_HasCorrectNumberOfAxes)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// The font should have 2 axes: wdth and wght
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EXPECT_EQ (2, font.getNumAxis());
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}
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TEST (FontTests, VariableFont_GetAxisDescriptionByIndex)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Get axis descriptions by index
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auto axis0 = font.getAxisDescription (0);
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auto axis1 = font.getAxisDescription (1);
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ASSERT_TRUE (axis0.has_value());
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ASSERT_TRUE (axis1.has_value());
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// Check that we have wdth and wght axes (order may vary)
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bool hasWdth = axis0->tagName == "wdth" || axis1->tagName == "wdth";
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bool hasWght = axis0->tagName == "wght" || axis1->tagName == "wght";
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EXPECT_TRUE (hasWdth);
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EXPECT_TRUE (hasWght);
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}
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TEST (FontTests, VariableFont_GetAxisDescriptionByTag)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Get wdth axis description
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auto wdthAxis = font.getAxisDescription ("wdth");
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ASSERT_TRUE (wdthAxis.has_value());
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EXPECT_EQ ("wdth", wdthAxis->tagName);
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EXPECT_GT (wdthAxis->maximumValue, wdthAxis->minimumValue);
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EXPECT_GE (wdthAxis->defaultValue, wdthAxis->minimumValue);
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EXPECT_LE (wdthAxis->defaultValue, wdthAxis->maximumValue);
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// Get wght axis description
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wghtAxis.has_value());
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EXPECT_EQ ("wght", wghtAxis->tagName);
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EXPECT_GT (wghtAxis->maximumValue, wghtAxis->minimumValue);
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EXPECT_GE (wghtAxis->defaultValue, wghtAxis->minimumValue);
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EXPECT_LE (wghtAxis->defaultValue, wghtAxis->maximumValue);
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}
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TEST (FontTests, VariableFont_GetAxisDescriptionForInvalidTag)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Try to get description for non-existent axis
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auto invalidAxis = font.getAxisDescription ("slnt");
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EXPECT_FALSE (invalidAxis.has_value());
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}
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TEST (FontTests, VariableFont_GetAxisValueReturnsDefaultValue)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Get default values
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auto wdthAxis = font.getAxisDescription ("wdth");
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wdthAxis.has_value());
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ASSERT_TRUE (wghtAxis.has_value());
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// Initially, axis values should be at their defaults
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EXPECT_FLOAT_EQ (wdthAxis->defaultValue, font.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->defaultValue, font.getAxisValue ("wght"));
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}
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TEST (FontTests, VariableFont_SetAxisValueByTag)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Get axis ranges
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auto wdthAxis = font.getAxisDescription ("wdth");
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wdthAxis.has_value());
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ASSERT_TRUE (wghtAxis.has_value());
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// Set wdth to maximum
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font.setAxisValue ("wdth", wdthAxis->maximumValue);
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EXPECT_FLOAT_EQ (wdthAxis->maximumValue, font.getAxisValue ("wdth"));
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// Set wght to minimum
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font.setAxisValue ("wght", wghtAxis->minimumValue);
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EXPECT_FLOAT_EQ (wghtAxis->minimumValue, font.getAxisValue ("wght"));
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}
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TEST (FontTests, VariableFont_SetAxisValueByIndex)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Get axis descriptions to find which index is which
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auto axis0 = font.getAxisDescription (0);
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ASSERT_TRUE (axis0.has_value());
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// Set axis 0 to its maximum value
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font.setAxisValue (0, axis0->maximumValue);
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EXPECT_FLOAT_EQ (axis0->maximumValue, font.getAxisValue (0));
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}
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TEST (FontTests, VariableFont_WithAxisValueByTag)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wghtAxis.has_value());
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// Create new font with modified wght
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Font newFont = font.withAxisValue ("wght", wghtAxis->maximumValue);
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// Original font should be unchanged
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EXPECT_FLOAT_EQ (wghtAxis->defaultValue, font.getAxisValue ("wght"));
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// New font should have the modified value
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EXPECT_FLOAT_EQ (wghtAxis->maximumValue, newFont.getAxisValue ("wght"));
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}
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TEST (FontTests, VariableFont_WithAxisValueByIndex)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto axis0 = font.getAxisDescription (0);
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ASSERT_TRUE (axis0.has_value());
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// Create new font with modified axis value
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Font newFont = font.withAxisValue (0, axis0->maximumValue);
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// Original font should be unchanged
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EXPECT_FLOAT_EQ (axis0->defaultValue, font.getAxisValue (0));
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// New font should have the modified value
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EXPECT_FLOAT_EQ (axis0->maximumValue, newFont.getAxisValue (0));
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}
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TEST (FontTests, VariableFont_ResetAxisValueByTag)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto wdthAxis = font.getAxisDescription ("wdth");
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ASSERT_TRUE (wdthAxis.has_value());
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// Set to non-default value
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font.setAxisValue ("wdth", wdthAxis->maximumValue);
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EXPECT_FLOAT_EQ (wdthAxis->maximumValue, font.getAxisValue ("wdth"));
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// Reset to default
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font.resetAxisValue ("wdth");
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EXPECT_FLOAT_EQ (wdthAxis->defaultValue, font.getAxisValue ("wdth"));
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}
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TEST (FontTests, VariableFont_ResetAxisValueByIndex)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto axis0 = font.getAxisDescription (0);
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ASSERT_TRUE (axis0.has_value());
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// Set to non-default value
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font.setAxisValue (0, axis0->maximumValue);
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EXPECT_FLOAT_EQ (axis0->maximumValue, font.getAxisValue (0));
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// Reset to default
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font.resetAxisValue (0);
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EXPECT_FLOAT_EQ (axis0->defaultValue, font.getAxisValue (0));
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}
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TEST (FontTests, VariableFont_ResetAllAxisValues)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto wdthAxis = font.getAxisDescription ("wdth");
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wdthAxis.has_value());
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ASSERT_TRUE (wghtAxis.has_value());
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// Set both axes to non-default values
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font.setAxisValue ("wdth", wdthAxis->maximumValue);
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font.setAxisValue ("wght", wghtAxis->minimumValue);
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// Reset all axes
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font.resetAllAxisValues();
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// Both should be back to defaults
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EXPECT_FLOAT_EQ (wdthAxis->defaultValue, font.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->defaultValue, font.getAxisValue ("wght"));
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}
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TEST (FontTests, VariableFont_SetAxisValues)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto wdthAxis = font.getAxisDescription ("wdth");
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wdthAxis.has_value());
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ASSERT_TRUE (wghtAxis.has_value());
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// Set multiple axes at once
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font.setAxisValues ({ { "wdth", wdthAxis->maximumValue },
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{ "wght", wghtAxis->minimumValue } });
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EXPECT_FLOAT_EQ (wdthAxis->maximumValue, font.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->minimumValue, font.getAxisValue ("wght"));
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}
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TEST (FontTests, VariableFont_WithAxisValues)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto wdthAxis = font.getAxisDescription ("wdth");
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wdthAxis.has_value());
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ASSERT_TRUE (wghtAxis.has_value());
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// Create new font with multiple axis modifications
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Font newFont = font.withAxisValues ({ { "wdth", wdthAxis->minimumValue },
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{ "wght", wghtAxis->maximumValue } });
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// Original font should be unchanged
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EXPECT_FLOAT_EQ (wdthAxis->defaultValue, font.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->defaultValue, font.getAxisValue ("wght"));
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// New font should have the modified values
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EXPECT_FLOAT_EQ (wdthAxis->minimumValue, newFont.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->maximumValue, newFont.getAxisValue ("wght"));
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}
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TEST (FontTests, VariableFont_ChainedAxisOperations)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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auto wdthAxis = font.getAxisDescription ("wdth");
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auto wghtAxis = font.getAxisDescription ("wght");
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ASSERT_TRUE (wdthAxis.has_value());
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ASSERT_TRUE (wghtAxis.has_value());
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// Chain multiple operations
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Font newFont = font
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.withAxisValue ("wdth", wdthAxis->maximumValue)
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.withAxisValue ("wght", wghtAxis->minimumValue)
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.withHeight (24.0f);
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// Original font should be unchanged
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EXPECT_FLOAT_EQ (wdthAxis->defaultValue, font.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->defaultValue, font.getAxisValue ("wght"));
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EXPECT_EQ (12.0f, font.getHeight());
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// New font should have all modifications
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EXPECT_FLOAT_EQ (wdthAxis->maximumValue, newFont.getAxisValue ("wdth"));
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EXPECT_FLOAT_EQ (wghtAxis->minimumValue, newFont.getAxisValue ("wght"));
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EXPECT_EQ (24.0f, newFont.getHeight());
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}
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TEST (FontTests, VariableFont_FontMetrics)
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{
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Font font;
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File fontFile = getValidFontFile();
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font.loadFromFile (fontFile);
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// Variable font should have valid metrics
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EXPECT_NE (0.0f, font.getAscent());
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EXPECT_NE (0.0f, font.getDescent());
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EXPECT_GT (font.getWeight(), 0);
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}
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// ==============================================================================
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// Height Tests
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// ==============================================================================

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