FIY: new tests for DecimalFormat

FIY: new tests for DecimalFormat

[Mario Torre]

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These tests, committed, are used to check some combination of the
setMaximumIntegerDigits and setMaximumFractionDigits parameters in
DecimalFormat.

The goal of these tests is to have compatibility with the RI, though
I have to admit that sometimes the RI does weird things...

The test should fail on the current classpath, but not on the
implementation I'm currently working on.

2006-07-28  Mario Torre  <neugens@limasoftware.net>

	* gnu/testlet/java/text/DecimalFormat/format.java (test): Added new
	test 'testMaximumDigits'.
	(testMaximumDigits): New test for some configuration of
	setMaximumIntegerDigits and setMaximumFractionDigits.

-- 
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### Eclipse Workspace Patch 1.0
#P mauve
Index: gnu/testlet/java/text/DecimalFormat/format.java
===================================================================
RCS file: /cvs/mauve/mauve/gnu/testlet/java/text/DecimalFormat/format.java,v
retrieving revision 1.11
diff -u -r1.11 format.java
--- gnu/testlet/java/text/DecimalFormat/format.java	24 Jul 2006 00:58:51 -0000	1.11
+++ gnu/testlet/java/text/DecimalFormat/format.java	27 Jul 2006 23:16:40 -0000
@@ -42,6 +42,7 @@
     testBigInteger(harness);
     testNaN(harness);
     testInfinity(harness);
+    testMaximumDigits(harness);
   }
 
   public void apply(TestHarness harness, DecimalFormat df, String pattern)
@@ -279,4 +280,47 @@
     
     Locale.setDefault(orig);
   }
+  
+  private void testMaximumDigits(TestHarness harness)
+  {
+    Locale orig = Locale.getDefault();
+    Locale.setDefault(Locale.US);
+    
+    harness.checkPoint("testMaxAndMinDigits");
+
+    double number = 123456789.987654321;
+    
+    DecimalFormat df = new DecimalFormat();
+    
+    df.setGroupingUsed(false);
+    df.setGroupingSize(3);
+    
+    df.setMaximumIntegerDigits(2);
+    df.setMaximumFractionDigits(4);
+          
+    // NaN does not have prefixes and suffixes
+    harness.check(df.format(number), "89.9877");
+    
+    df.setMaximumIntegerDigits(5);
+    df.setMaximumFractionDigits(0);
+
+    harness.check(df.format(number), "56790");
+    
+    df.setMaximumIntegerDigits(0);
+    df.setMaximumFractionDigits(5);
+
+    harness.check(df.format(number), ".98765");
+    
+    df.setMaximumIntegerDigits(-1);
+    df.setMaximumFractionDigits(-1);
+    
+    harness.check(df.format(number), "0");
+    
+    df.setMaximumIntegerDigits(390);
+    df.setMaximumFractionDigits(340);
+    
+    harness.check(df.format(number), "123456789.98765433");
+    
+    Locale.setDefault(orig);
+  }
 }