JAL-4274 comments to help follow the tests

diff --git a/test/jalview/util/ImageMakerTest.java b/test/jalview/util/ImageMakerTest.java
index acb4160..d953f7b 100644 (file)
--- a/test/jalview/util/ImageMakerTest.java
+++ b/test/jalview/util/ImageMakerTest.java
@@ -20,6 +20,7 @@ public class ImageMakerTest
 
     BitmapImageSizing bis = null;
 
+    // No defaults set, 3 values given. Should be the 3 values.
     bis = ImageMaker.parseScaleWidthHeightStrings("1.2", "3", "4");
     Assert.assertEquals(bis.scale(), 1.2f,
             "scale not parsed and set to value given");
@@ -28,19 +29,23 @@ public class ImageMakerTest
     Assert.assertEquals(bis.height(), 4,
             "height not parsed and set to value given");
 
+    // No defaults set, 1 value given. Should be the 1 value and 2 0s.
     bis = ImageMaker.parseScaleWidthHeightStrings("1.2", null, null);
     Assert.assertEquals(bis.scale(), 1.2f,
             "scale not parsed and set to value given");
     Assert.assertEquals(bis.width(), 0, "width not parsed and set to 0");
     Assert.assertEquals(bis.height(), 0, "height not parsed and set to 0");
 
+    // No defaults set, 1 value given. Should be the 1 value and 2 0s. (checking
+    // the other value)
     bis = ImageMaker.parseScaleWidthHeightStrings(null, "1", null);
     Assert.assertEquals(bis.scale(), 0f, "scale not parsed and set to 0f");
     Assert.assertEquals(bis.width(), 1,
             "width not parsed and set to value given");
     Assert.assertEquals(bis.height(), 0, "height not parsed and set to 0");
 
-    // this should set bis to the dynamic defaultBitmapImageSizing
+    // No defaults set, no values given, these should first look at defaults and
+    // then set all to 0
     bis = ImageMaker.parseScaleWidthHeightStrings(null, null, null);
     Assert.assertEquals(bis.scale(), 0f,
             "scale not parsed and set to undefined default 0f");
@@ -50,6 +55,7 @@ public class ImageMakerTest
             "height not parsed and set to undefined default 0");
 
     Cache.setProperty(BitmapImageSizing.BITMAP_HEIGHT, "1");
+    // 1 default set, bis should detect this
     Assert.assertEquals(bis.scale(), 0f,
             "scale not parsed and set to undefined default 0f");
     Assert.assertEquals(bis.width(), 0,
@@ -59,6 +65,7 @@ public class ImageMakerTest
 
     Cache.setProperty(BitmapImageSizing.BITMAP_SCALE, "3.4");
     Cache.setProperty(BitmapImageSizing.BITMAP_WIDTH, "2");
+    // Now all 3 defaults set, bis should detect this
     Assert.assertEquals(bis.scale(), 3.4f,
             "scale not parsed and set to undefined default 3.2f");
     Assert.assertEquals(bis.width(), 2,
@@ -66,7 +73,7 @@ public class ImageMakerTest
     Assert.assertEquals(bis.height(), 1,
             "height not parsed and set to default 1");
 
-    // override actual default values
+    // 3 defaults set, and 3 values given, should use the 3 values
     bis = ImageMaker.parseScaleWidthHeightStrings("1.2", "3", "4");
     Assert.assertEquals(bis.scale(), 1.2f,
             "scale not parsed and set to value given");
@@ -75,6 +82,7 @@ public class ImageMakerTest
     Assert.assertEquals(bis.height(), 4,
             "height not parsed and set to value given");
 
+    // 3 defaults set, and 1 value given, should use the 1 value and 2 0s
     bis = ImageMaker.parseScaleWidthHeightStrings("1.2", null, null);
     Assert.assertEquals(bis.scale(), 1.2f,
             "scale not parsed and set to value given");
@@ -83,6 +91,7 @@ public class ImageMakerTest
     Assert.assertEquals(bis.height(), 0,
             "height not parsed and set to undefined 0");
 
+    // 3 defaults set, and 1 value given, should use the 1 value and 2 0s
     bis = ImageMaker.parseScaleWidthHeightStrings(null, null, "5");
     Assert.assertEquals(bis.scale(), 0f,
             "scale not parsed and set to undefined 0f");
@@ -91,6 +100,7 @@ public class ImageMakerTest
     Assert.assertEquals(bis.height(), 5,
             "height not parsed and set to value given");
 
+    // 3 defaults set, and no values given, should use the 3 default values
     bis = ImageMaker.parseScaleWidthHeightStrings(null, null, null);
     Assert.assertEquals(bis.scale(), 3.4f,
             "scale not parsed and set to undefined default 3.2f");