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* Copyright (C) 2008, Google Inc.
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package org.spearce.jgit.util;
import junit.framework.TestCase;
public class IntListTest extends TestCase {
public void testEmpty_DefaultCapacity() {
final IntList i = new IntList();
assertEquals(0, i.size());
try {
i.get(0);
fail("Accepted 0 index on empty list");
} catch (ArrayIndexOutOfBoundsException e) {
assertTrue(true);
}
}
public void testEmpty_SpecificCapacity() {
final IntList i = new IntList(5);
assertEquals(0, i.size());
try {
i.get(0);
fail("Accepted 0 index on empty list");
} catch (ArrayIndexOutOfBoundsException e) {
assertTrue(true);
}
}
public void testAdd_SmallGroup() {
final IntList i = new IntList();
final int n = 5;
for (int v = 0; v < n; v++)
i.add(10 + v);
assertEquals(n, i.size());
for (int v = 0; v < n; v++)
assertEquals(10 + v, i.get(v));
try {
i.get(n);
fail("Accepted out of bound index on list");
} catch (ArrayIndexOutOfBoundsException e) {
assertTrue(true);
}
}
public void testAdd_ZeroCapacity() {
final IntList i = new IntList(0);
assertEquals(0, i.size());
i.add(1);
assertEquals(1, i.get(0));
}
public void testAdd_LargeGroup() {
final IntList i = new IntList();
final int n = 500;
for (int v = 0; v < n; v++)
i.add(10 + v);
assertEquals(n, i.size());
for (int v = 0; v < n; v++)
assertEquals(10 + v, i.get(v));
try {
i.get(n);
fail("Accepted out of bound index on list");
} catch (ArrayIndexOutOfBoundsException e) {
assertTrue(true);
}
}
public void testFillTo0() {
final IntList i = new IntList();
i.fillTo(0, Integer.MIN_VALUE);
assertEquals(0, i.size());
}
public void testFillTo1() {
final IntList i = new IntList();
i.fillTo(1, Integer.MIN_VALUE);
assertEquals(1, i.size());
i.add(0);
assertEquals(Integer.MIN_VALUE, i.get(0));
assertEquals(0, i.get(1));
}
public void testFillTo100() {
final IntList i = new IntList();
i.fillTo(100, Integer.MIN_VALUE);
assertEquals(100, i.size());
i.add(3);
assertEquals(Integer.MIN_VALUE, i.get(99));
assertEquals(3, i.get(100));
}
public void testClear() {
final IntList i = new IntList();
final int n = 5;
for (int v = 0; v < n; v++)
i.add(10 + v);
assertEquals(n, i.size());
i.clear();
assertEquals(0, i.size());
try {
i.get(0);
fail("Accepted 0 index on empty list");
} catch (ArrayIndexOutOfBoundsException e) {
assertTrue(true);
}
}
public void testToString() {
final IntList i = new IntList();
i.add(1);
assertEquals("[1]", i.toString());
i.add(13);
i.add(5);
assertEquals("[1, 13, 5]", i.toString());
}
}