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ICU-2516 Added unsigned comparison test case

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X-SVN-Rev: 12301
This commit is contained in:
Syn Wee Quek 2003-06-04 22:51:27 +00:00
parent 86f78fd50a
commit ef399a4b0d
1 changed files with 28 additions and 0 deletions
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28
icu4j/src/com/ibm/icu/dev/test/util/UtilityTest.java
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@ -34,4 +34,32 @@ public class UtilityTest extends TestFmwk {
errln("FAIL: Utility.unescape() returned " + result + ", exp. " + expect);
}
}
public void TestCompareUnsigned()
{
int data[] = {0, 1, 0x8fffffff, -1, Integer.MAX_VALUE,
Integer.MIN_VALUE, 2342423, -2342423};
for (int i = 0; i < data.length; i ++) {
for (int j = 0; j < data.length; j ++) {
if (Utility.compareUnsigned(data[i], data[j])
!= compareLongUnsigned(data[i], data[j])) {
errln("Fail: Unsigned comparison failed with " + data[i]
+ " " + data[i + 1]);
}
}
}
}
private int compareLongUnsigned(int x, int y)
{
long x1 = x & 0xFFFFFFFFl;
long y1 = y & 0xFFFFFFFFl;
if (x1 < y1) {
return -1;
}
else if (x1 > y1) {
return 1;
}
return 0;
}
}