Increasing coverage for ComplexFormat
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/8ef033be Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/8ef033be Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/8ef033be Branch: refs/heads/develop Commit: 8ef033be5c92a895139b4f910af5a7048f340cc7 Parents: 37c4939 Author: Rob Tompkins <chtom...@gmail.com> Authored: Mon Apr 11 08:19:45 2016 -0400 Committer: Rob Tompkins <chtom...@gmail.com> Committed: Sat Apr 23 08:29:58 2016 -0400 ---------------------------------------------------------------------- .../complex/ComplexFormatAbstractTest.java | 105 +++++++++++++++++++ 1 file changed, 105 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-math/blob/8ef033be/src/test/java/org/apache/commons/math4/complex/ComplexFormatAbstractTest.java ---------------------------------------------------------------------- diff --git a/src/test/java/org/apache/commons/math4/complex/ComplexFormatAbstractTest.java b/src/test/java/org/apache/commons/math4/complex/ComplexFormatAbstractTest.java index 608ccf6..be7768a 100644 --- a/src/test/java/org/apache/commons/math4/complex/ComplexFormatAbstractTest.java +++ b/src/test/java/org/apache/commons/math4/complex/ComplexFormatAbstractTest.java @@ -17,10 +17,15 @@ package org.apache.commons.math4.complex; +import java.text.FieldPosition; import java.text.NumberFormat; import java.text.ParsePosition; +import java.util.Arrays; import java.util.Locale; +import org.apache.commons.math4.exception.MathIllegalArgumentException; +import org.apache.commons.math4.exception.NoDataException; +import org.apache.commons.math4.exception.NullArgumentException; import org.junit.Test; import org.junit.Assert; import org.apache.commons.math4.complex.Complex; @@ -281,6 +286,106 @@ public abstract class ComplexFormatAbstractTest { } @Test + public void testConstructorExceptions() { + NumberFormat nullFormat = null; + NumberFormat format = NumberFormat.getInstance(); + try { + ComplexFormat cf = new ComplexFormat(nullFormat); + } + catch (Exception e) { + Assert.assertTrue(e instanceof NullArgumentException); + } + try { + ComplexFormat cf = new ComplexFormat(nullFormat, format); + } + catch (Exception e) { + Assert.assertTrue(e instanceof NullArgumentException); + } + try { + ComplexFormat cf = new ComplexFormat(format, nullFormat); + } + catch (Exception e) { + Assert.assertTrue(e instanceof NullArgumentException); + } + } + + @Test + public void testConstructorDoubleFormat() { + NumberFormat defaultFormat = NumberFormat.getInstance(); + NumberFormat numberFormat = NumberFormat.getNumberInstance(); + ComplexFormat cf = new ComplexFormat(defaultFormat, numberFormat); + Assert.assertEquals(defaultFormat, cf.getRealFormat()); + Assert.assertEquals(numberFormat, cf.getImaginaryFormat()); + } + + @Test + public void testStringConstructor() { + String nullString = null; + String emptyString = ""; + String oddImaginaryCharacter = "q"; + try { + ComplexFormat cf = new ComplexFormat(nullString); + } + catch (Exception e) { + Assert.assertTrue(e instanceof NullArgumentException); + } + try { + ComplexFormat cf = new ComplexFormat(emptyString); + } + catch (Exception e) { + Assert.assertTrue(e instanceof NoDataException); + } + ComplexFormat cf = new ComplexFormat(oddImaginaryCharacter); + Assert.assertEquals(oddImaginaryCharacter, cf.getImaginaryCharacter()); + } + + @Test + public void testGetAvailableLocales() { + Assert.assertEquals(Arrays.asList(NumberFormat.getAvailableLocales()),Arrays.asList(ComplexFormat.getAvailableLocales())); + } + + @Test + public void testGetInstance() { + ComplexFormat cf = ComplexFormat.getInstance(); + Assert.assertNotNull(cf); + Assert.assertNotNull(cf.getRealFormat()); + Assert.assertNotNull(cf.getImaginaryFormat()); + Assert.assertTrue(cf.getRealFormat() instanceof NumberFormat); + Assert.assertTrue(cf.getImaginaryFormat() instanceof NumberFormat); + } + + @Test + public void testFormatObjectStringBufferFieldPositionWithComplex() { + ComplexFormat cf = ComplexFormat.getInstance(); + String source = "1" + getDecimalCharacter() + "23 + 1" + getDecimalCharacter() + "43i"; + Object expected = new Complex(1.23, 1.43); + String formatted = cf.format(expected, new StringBuffer(), new FieldPosition(0)).toString(); + Assert.assertEquals(source, formatted); + } + + @Test + public void testFormatObjectStringBufferFieldPositionWitNumber() { + ComplexFormat cf = ComplexFormat.getInstance(); + String source = "1" + getDecimalCharacter() + "23"; + Number expected = new Double(1.23); + String formatted = cf.format(expected, new StringBuffer(), new FieldPosition(0)).toString(); + Assert.assertEquals(source, formatted); + } + + @Test + public void testFormatObjectStringBufferFieldPositionException() { + ComplexFormat cf = ComplexFormat.getInstance(); + Object expected = "Something that's not a number or Complex"; + try { + String formatted = cf.format(expected, new StringBuffer(), new FieldPosition(0)).toString(); + } + catch (Exception e) { + Assert.assertTrue(e instanceof MathIllegalArgumentException); + } + + } + + @Test public void testGetImaginaryFormat() { NumberFormat nf = NumberFormat.getInstance(); ComplexFormat cf = new ComplexFormat(nf);
