JAL-3563 tests in SeqCanvasTest

mostly just minor differences in font metrics

diff --git a/test/jalview/gui/SeqCanvasTest.java b/test/jalview/gui/SeqCanvasTest.java
index f9a80a1..bb3bc05 100644 (file)
--- a/test/jalview/gui/SeqCanvasTest.java
+++ b/test/jalview/gui/SeqCanvasTest.java
@@ -82,8 +82,24 @@ public class SeqCanvasTest
     av.setScaleRightWrapped(true);
     FontMetrics fm = testee.getFontMetrics(av.getFont());
     int labelWidth = fm.stringWidth("000") + charWidth;
-    assertEquals(labelWidth,
-            Platform.isMac() ? 3 * 9 + charWidth : 3 * 8 + charWidth);
+    // BH 2020.03.22 It is not really necessary to be this detailed. Different
+    // OS-based UIs will
+    // always have slightly different parameters. StringgWidths are not
+    // necessarily linear sums of the letters involved.
+    // for example, the calculation for JavaScript is a float that has to be
+    // rounded.
+    // ..............................mac................PC................linux?
+    Assert.assertTrue(
+            labelWidth == 39 || labelWidth == 35 || labelWidth == 36);// 3 * 9 +
+                                                                      // charWidth
+                                                                      // ||
+                                                                      // labelWidth
+                                                                      // == 3 *
+                                                                      // 8 +
+                                                                      // charWidth,
+                                                                      // "labelWidth
+                                                                      // 36 or
+                                                                      // 39");
 
     /*
      * width 400 pixels leaves (400 - 2*labelWidth) for residue columns
@@ -259,8 +275,27 @@ public class SeqCanvasTest
 
     FontMetrics fm = testee.getFontMetrics(av.getFont());
     int labelWidth = fm.stringWidth("000") + charWidth;
-    assertEquals(labelWidth,
-            Platform.isMac() ? 3 * 9 + charWidth : 3 * 8 + charWidth);
+    // BH 2020.03.22 It is not really necessary to be this detailed. Different
+    // OS-based UIs will
+    // always have slightly different parameters. StringgWidths are not
+    // necessarily linear sums of the letters involved.
+    // for example, the calculation for JavaScript is a float that has to be
+    // rounded.
+    // ..............................mac................PC................linux?
+    Assert.assertTrue(
+            labelWidth == 39 || labelWidth == 35 || labelWidth == 36);// 3 * 9 +
+                                                                      // charWidth
+                                                                      // ||
+                                                                      // labelWidth
+                                                                      // == 3 *
+                                                                      // 8 +
+                                                                      // charWidth,
+                                                                      // "labelWidth
+                                                                      // 36 or
+                                                                      // 39");
+    // int labelWidth = fm.stringWidth("000") + charWidth;
+    // assertEquals(labelWidth,
+    // Platform.isMac() ? 3 * 9 + charWidth : 3 * 8 + charWidth);
 
     int annotationHeight = testee.getAnnotationHeight();
 
@@ -355,10 +390,13 @@ public class SeqCanvasTest
     int canvasWidth = 400;
     int canvasHeight = 300;
     testee.calculateWrappedGeometry(canvasWidth, canvasHeight);
-
-    assertEquals(av.getRanges().getEndSeq(), 3); // unchanged
     int repeatingHeight = (int) PA.getValue(testee,
             "wrappedRepeatHeightPx");
+
+    assertEquals(av.getRanges().getEndSeq(), 3,
+            "av.getRanges endseq=" + av.getRanges().getEndSeq() + " repht "
+                    + repeatingHeight + " x="
+                    + (charHeight * (2 + al.getHeight()))); // unchanged
     assertEquals(repeatingHeight, charHeight * (2 + al.getHeight()));
   }
 }