JAL-2360 refactoring for JalviewColourScheme enum,

[jalview.git] / test / jalview / util / ColorUtilsTest.java

diff --git a/test/jalview/util/ColorUtilsTest.java b/test/jalview/util/ColorUtilsTest.java
index 9a5d093..77a03d6 100644 (file)
--- a/test/jalview/util/ColorUtilsTest.java
+++ b/test/jalview/util/ColorUtilsTest.java
@@ -166,4 +166,62 @@ public class ColorUtilsTest
     assertEquals(new Color(46, 31, 16), // with rounding down
             ColorUtils.bleachColour(colour, -0.7f));
   }
+
+  @Test(groups = "Functional")
+  public void testParseColourString()
+  {
+    /*
+     * by colour name - if known to AWT, and included in
+     * 
+     * @see ColourSchemeProperty.getAWTColorFromName()
+     */
+    assertSame(Color.RED, ColorUtils.parseColourString("red"));
+    assertSame(Color.RED, ColorUtils.parseColourString("Red"));
+    assertSame(Color.RED, ColorUtils.parseColourString(" RED "));
+
+    /*
+     * by RGB hex code
+     */
+    String hexColour = Integer.toHexString(Color.RED.getRGB() & 0xffffff);
+    assertEquals("ff0000", hexColour);
+    assertEquals(Color.RED, ColorUtils.parseColourString(hexColour));
+    // 'hex' prefixes _not_ wanted here
+    assertNull(ColorUtils.parseColourString("0x" + hexColour));
+    assertNull(ColorUtils.parseColourString("#" + hexColour));
+    // out of range, but Color constructor just or's the rgb value with 0
+    assertEquals(Color.black, ColorUtils.parseColourString("1000000"));
+
+    /*
+     * by RGB triplet
+     */
+    Color c = Color.pink;
+    String rgb = String.format("%d,%d,%d", c.getRed(), c.getGreen(),
+            c.getBlue());
+    assertEquals("255,175,175", rgb);
+    assertEquals(c, ColorUtils.parseColourString(rgb));
+    assertEquals(c, ColorUtils.parseColourString("255, 175 , 175"));
+
+    /*
+     * odds and ends
+     */
+    assertNull(ColorUtils.parseColourString(null));
+    assertNull(ColorUtils.parseColourString("rubbish"));
+    assertEquals(Color.WHITE, ColorUtils.parseColourString("-1"));
+    assertNull(ColorUtils.parseColourString(String
+            .valueOf(Integer.MAX_VALUE)));
+    assertNull(ColorUtils.parseColourString("100,200,300")); // out of range
+    assertNull(ColorUtils.parseColourString("100,200")); // too few
+    assertNull(ColorUtils.parseColourString("100,200,100,200")); // too many
+  }
+
+  @Test
+  public void testGetAWTColorFromName() {
+    assertEquals(Color.white, ColorUtils.getAWTColorFromName("white"));
+    assertEquals(Color.white, ColorUtils.getAWTColorFromName("White"));
+    assertEquals(Color.white, ColorUtils.getAWTColorFromName("WHITE"));
+    assertEquals(Color.pink, ColorUtils.getAWTColorFromName("pink"));
+    assertNull(ColorUtils.getAWTColorFromName("mauve")); // no such name
+    assertNull(ColorUtils.getAWTColorFromName(""));
+    assertNull(ColorUtils.getAWTColorFromName(null));
+  }
 }