TestFlatStylingScale unit tests added for commit fde65b2730, issue #682

flatlaf-core/src/test/java/com/formdev/flatlaf/ui/TestFlatStylingScale.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2023 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.ui;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import javax.swing.*;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+import com.formdev.flatlaf.FlatClientProperties;
+
+/**
+ * @author Karl Tauber
+ */
+public class TestFlatStylingScale
+{
+	private static final float[] FACTORS = { 1f, 1.5f, 2f };
+
+	@BeforeAll
+	static void setup() {
+		TestUtils.setup( false );
+	}
+
+	@AfterAll
+	static void cleanup() {
+		TestUtils.cleanup();
+	}
+
+	static float[] factors() {
+		return FACTORS;
+	}
+
+	@ParameterizedTest
+	@MethodSource( "factors" )
+	void button( float factor ) {
+		abstractButton( factor, new JButton() );
+	}
+
+	@ParameterizedTest
+	@MethodSource( "factors" )
+	void checkBox( float factor ) {
+		abstractButton( factor, new JCheckBox() );
+	}
+
+	@ParameterizedTest
+	@MethodSource( "factors" )
+	void radioButton( float factor ) {
+		abstractButton( factor, new JRadioButton() );
+	}
+
+	private void abstractButton( float factor, AbstractButton button ) {
+		TestUtils.scaleFont( factor );
+
+		button.putClientProperty( FlatClientProperties.STYLE, "iconTextGap: 100" );
+		assertEquals( (int) (100 * factor), button.getIconTextGap() );
+
+		TestUtils.resetFont();
+	}
+
+	@ParameterizedTest
+	@MethodSource( "factors" )
+	void tabbedPane( float factor ) {
+		TestUtils.scaleFont( factor );
+
+
+		JTabbedPane tabbedPane = new JTabbedPane();
+		FlatTabbedPaneUI ui = (FlatTabbedPaneUI) tabbedPane.getUI();
+		tabbedPane.putClientProperty( FlatClientProperties.STYLE, "textIconGap: 100" );
+		assertEquals( 100, ui.getStyleableValue( tabbedPane, "textIconGap" ) );
+
+
+		TestUtils.resetFont();
+	}
+
+	@ParameterizedTest
+	@MethodSource( "factors" )
+	void table( float factor ) {
+		TestUtils.scaleFont( factor );
+
+
+		JTable table = new JTable();
+		table.putClientProperty( FlatClientProperties.STYLE, "rowHeight: 100" );
+		assertEquals( (int) (100 * factor), table.getRowHeight() );
+
+
+		TestUtils.resetFont();
+	}
+
+	@ParameterizedTest
+	@MethodSource( "factors" )
+	void tree( float factor ) {
+		TestUtils.scaleFont( factor );
+
+
+		JTree tree = new JTree();
+		tree.putClientProperty( FlatClientProperties.STYLE, "rowHeight: 10" );
+		assertEquals( 10 * factor, tree.getRowHeight() );
+
+
+		TestUtils.resetFont();
+	}
+}