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Improving code coverage by testing exceptions and empty constructor 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@795895 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell 2009-07-20 16:14:34 +00:00
parent 84beb062c1
commit 75b967beaa
1 changed files with 47 additions and 0 deletions
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47
src/test/org/apache/commons/lang/math/IEEE754rUtilsTest.java
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@ -49,5 +49,52 @@ public class IEEE754rUtilsTest extends TestCase {
assertEquals(1.2f, IEEE754rUtils.min(bF), 0.01);
assertEquals(42.0f, IEEE754rUtils.max(bF), 0.01);
}
public void testEnforceExceptions() {
try {
IEEE754rUtils.min( (float[]) null);
fail("IllegalArgumentException expected for null input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.min(new float[0]);
fail("IllegalArgumentException expected for empty input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.max( (float[]) null);
fail("IllegalArgumentException expected for null input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.max(new float[0]);
fail("IllegalArgumentException expected for empty input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.min( (double[]) null);
fail("IllegalArgumentException expected for null input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.min(new double[0]);
fail("IllegalArgumentException expected for empty input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.max( (double[]) null);
fail("IllegalArgumentException expected for null input");
} catch(IllegalArgumentException iae) { /* expected */ }
try {
IEEE754rUtils.max(new double[0]);
fail("IllegalArgumentException expected for empty input");
} catch(IllegalArgumentException iae) { /* expected */ }
}
public void testConstructorExists() {
new IEEE754rUtils();
}
}