Add RowIconPaintTest

platform/platform-tests/testSrc/com/intellij/util/ui/LayeredIconPaintTest.java

@@ -3,6 +3,7 @@ package com.intellij.util.ui;
 
 import com.intellij.openapi.util.IconLoader.CachedImageIcon;
 import com.intellij.openapi.util.Pair;
+import com.intellij.openapi.util.ScalableIcon;
 import com.intellij.testFramework.PlatformTestUtil;
 import com.intellij.ui.LayeredIcon;
 import com.intellij.util.ui.JBUI.ScaleContext;
@@ -16,9 +17,7 @@ import java.awt.image.BufferedImage;
 import java.io.File;
 import java.net.MalformedURLException;
 
-import static com.intellij.util.ui.JBUI.ScaleType.PIX_SCALE;
-import static com.intellij.util.ui.JBUI.ScaleType.SYS_SCALE;
-import static com.intellij.util.ui.JBUI.ScaleType.USR_SCALE;
+import static com.intellij.util.ui.JBUI.ScaleType.*;
 
 /**
  * Tests {@link com.intellij.ui.LayeredIcon} painting.
@@ -37,21 +36,28 @@ public class LayeredIconPaintTest extends TestScaleHelper {
     test(2, 2);
   }
 
-  public void test(int usrScale, int sysScale) throws MalformedURLException {
-    LayeredIcon icon = new LayeredIcon(2);
+  private void test(int iconScale, int sysScale) throws MalformedURLException {
     CachedImageIcon icon1 = new CachedImageIcon(new File(getIcon1Path()).toURI().toURL());
     CachedImageIcon icon2 = new CachedImageIcon(new File(getIcon2Path()).toURI().toURL());
 
-    ScaleContext ctx = ScaleContext.create(USR_SCALE.of(usrScale), SYS_SCALE.of(sysScale));
+    ScaleContext ctx = ScaleContext.create(SYS_SCALE.of(sysScale));
     icon1.updateScaleContext(ctx.copy());
     icon2.updateScaleContext(ctx.copy());
 
+    Icon icon = createAndSetIcons(icon1, icon2).scale(iconScale);
+    ctx.update(OBJ_SCALE.of(iconScale));
+    test(icon, ctx);
+  }
+
+  protected ScalableIcon createAndSetIcons(Icon icon1, Icon icon2) {
+    LayeredIcon icon = new LayeredIcon(2);
     icon.setIcon(icon1, 0);
     icon.setIcon(icon2, 1, 10, 6);
+    return icon;
+  }
 
-    Icon scaledIcon = icon.scale(usrScale);
-
-    Pair<BufferedImage, Graphics2D> pair = createImageAndGraphics(sysScale, scaledIcon.getIconWidth(), scaledIcon.getIconHeight());
+  private void test(Icon scaledIcon, ScaleContext ctx) {
+    Pair<BufferedImage, Graphics2D> pair = createImageAndGraphics(ctx.getScale(SYS_SCALE), scaledIcon.getIconWidth(), scaledIcon.getIconHeight());
     BufferedImage iconImage = pair.first;
     Graphics2D g2d = pair.second;
 
@@ -65,7 +71,7 @@ public class LayeredIconPaintTest extends TestScaleHelper {
       new AASmootherComparator(0.1, 0.1, new Color(0, 0, 0, 0)), goldImage, iconImage, null);
   }
 
-  private static String getGoldImagePath(int scale) {
+  protected String getGoldImagePath(int scale) {
     return PlatformTestUtil.getPlatformTestDataPath() + "ui/gold_LayeredIcon@" + scale + "x.png";
   }
 

platform/platform-tests/testSrc/com/intellij/util/ui/RowIconPaintTest.java

@@ -0,0 +1,36 @@
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.util.ui;
+
+import com.intellij.openapi.util.ScalableIcon;
+import com.intellij.testFramework.PlatformTestUtil;
+import com.intellij.ui.RowIcon;
+import org.junit.Test;
+
+import javax.swing.*;
+import java.net.MalformedURLException;
+
+/**
+ * Tests {@link com.intellij.ui.RowIcon} painting.
+ *
+ * @author tav
+ */
+public class RowIconPaintTest extends LayeredIconPaintTest {
+  @Test
+  @Override
+  public void test() throws MalformedURLException {
+    super.test();
+  }
+
+  @Override
+  protected ScalableIcon createAndSetIcons(Icon icon1, Icon icon2) {
+    RowIcon icon = new RowIcon(2);
+    icon.setIcon(icon1, 0);
+    icon.setIcon(icon2, 1);
+    return icon;
+  }
+
+  @Override
+  protected String getGoldImagePath(int scale) {
+    return PlatformTestUtil.getPlatformTestDataPath() + "ui/gold_RowIcon@" + scale + "x.png";
+  }
+}