package gnu.trove.list.array;
import gnu.trove.TIntCollection;
import gnu.trove.function.TIntFunction;
import gnu.trove.impl.Constants;
import gnu.trove.iterator.TIntIterator;
import gnu.trove.list.TIntList;
import gnu.trove.procedure.TIntProcedure;
import gnu.trove.set.TIntSet;
import gnu.trove.set.hash.TIntHashSet;
import junit.framework.TestCase;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.*;
public class TPrimitiveArrayListTest extends TestCase {
private TIntList list;
public void setUp() throws Exception {
super.setUp();
list = new TIntArrayList();
list.add( 1 );
list.add( 2 );
list.add( 3 );
list.add( 4 );
list.add( 5 );
}
public void tearDown() throws Exception {
super.tearDown();
}
public void testGet() {
assertEquals( 4, list.get( 3 ) );
try {
list.get( 10 );
fail( "Expected IndexOutOfBoundsException" );
}
catch ( IndexOutOfBoundsException ex ) {
// Expected
}
int element_count = 10;
TIntArrayList array_list = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
array_list.add( i );
}
for ( int i = 0; i < array_list.size(); i++ ) {
int expected = i + 1;
assertEquals( expected, array_list.getQuick( i ) );
}
try {
array_list.getQuick( 100 );
fail( "Expected IndexOutOfBoundsException" );
}
catch ( IndexOutOfBoundsException ex ) {
// Expected
}
}
public void testContains() {
int element_count = 10;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
for ( int i = 1; i <= element_count; i++ ) {
assertTrue( "element " + i + " not found in " + a, a.contains( i ) );
}
assertFalse( "list doesn't hold MAX_VALUE: " + a,
a.contains( Integer.MAX_VALUE ) );
}
public void testInsert() {
int element_count = 10;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
int testval = 1138;
a.insert( 5, testval );
for ( int i = 0; i < 5; i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
assertEquals( testval, a.get( 5 ) );
for ( int i = 6; i < a.size(); i++ ) {
int result = a.get( i );
assertTrue( "element " + result + " should be " + i,
result == i );
}
}
public void testInsertArray() {
int element_count = 10;
int[] ints = {1138, 42, 86, 99, 101};
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.insert( 0, ints );
assertEquals( ints.length + element_count, a.size() );
for ( int i = 0; i < ints.length; i++ ) {
assertEquals( ints[i], a.get( i ) );
}
for ( int i = ints.length, j = 1;
i < ints.length + element_count;
i++, j++ ) {
assertEquals( j, a.get( i ) );
}
}
public void testInsertAtEnd() {
int element_count = 10;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.insert( a.size(), 11 );
for ( int i = 0; i < element_count; i++ ) {
assertEquals( i + 1, a.get( i ) );
}
for ( int i = element_count;
i < a.size();
i++ ) {
int expected = i + 1;
assertEquals( expected, a.get( i ) );
}
}
public void testInsertArrayAtEnd() {
int element_count = 10;
int[] ints = {1138, 42, 86, 99, 101};
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.insert( a.size(), ints );
for ( int i = 0; i < element_count; i++ ) {
assertEquals( i + 1, a.get( i ) );
}
for ( int i = element_count, j = 0;
i < ints.length + element_count;
i++, j++ ) {
assertEquals( ints[j], a.get( i ) );
}
}
public void testSetArray() {
int element_count = 10;
int[] ints = {1138, 42, 86, 99, 101};
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.set( a.size() - ints.length, ints );
for ( int i = 0; i < element_count - ints.length; i++ ) {
assertEquals( i + 1, a.get( i ) );
}
for ( int i = element_count - ints.length, j = 0;
i < a.size();
i++, j++ ) {
assertEquals( ints[j], a.get( i ) );
}
try {
a.set( a.size(), ints );
fail( "Expected IndexOutOfBoundsException" );
}
catch ( IndexOutOfBoundsException ex ) {
// Expected
}
}
public void testSet() {
int element_count = 10;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
int testval = 1138;
a.set( 5, testval );
for ( int i = 0; i < 5; i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
assertEquals( testval, a.get( 5 ) );
for ( int i = 6; i < a.size(); i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
try {
a.set( 100, 20 );
fail( "Expected IndexOutOfBoundsException" );
}
catch ( IndexOutOfBoundsException ex ) {
// Expected
}
}
public void testSetQuick() {
int element_count = 10;
TIntArrayList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
int testval = 1138;
a.setQuick( 5, testval );
for ( int i = 0; i < 5; i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
assertEquals( testval, a.get( 5 ) );
for ( int i = 6; i < a.size(); i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
try {
a.setQuick( 100, 20 );
fail( "Expected IndexOutOfBoundsException" );
}
catch ( IndexOutOfBoundsException ex ) {
// Expected
}
}
public void testReplace() {
int element_count = 10;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
int testval = 1138;
assertEquals( 6, a.replace( 5, testval ) );
for ( int i = 0; i < 5; i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
assertEquals( testval, a.get( 5 ) );
for ( int i = 6; i < a.size(); i++ ) {
int result = a.get( i );
int expected = i + 1;
assertTrue( "element " + result + " should be " + expected,
result == expected );
}
try {
a.replace( 100, 20 );
fail( "Expected IndexOutOfBoundsException" );
}
catch ( IndexOutOfBoundsException ex ) {
// Expected
}
}
public void testRemove() {
int element_count = 10;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
assertEquals( 6, a.get( 5 ) );
assertTrue( a.remove( 5 ) );
for ( int i = 0; i < 4; i++ ) {
int expected = i + 1;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
for ( int i = 4; i < a.size(); i++ ) {
int expected = i + 2;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
// Can't remove again from THIS list because it's not present.
assertFalse( a.remove( 5 ) );
assertEquals( 6, a.removeAt( 4 ) );
for ( int i = 0; i < 4; i++ ) {
int expected = i + 1;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
for ( int i = 4; i < a.size(); i++ ) {
int expected = i + 3;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
a.insert( 4, 6 );
// Add a value twice, can remove it twice
assertTrue( a.add( 5 ) );
assertTrue( a.add( 5 ) );
assertTrue( a.remove( 5 ) );
assertTrue( a.remove( 5 ) );
assertFalse( a.remove( 5 ) );
a.insert( 4, 5 );
assertTrue( a.add( 5 ) );
for ( int i = 0; i < 5; i++ ) {
int expected = i + 1;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
for ( int i = 5; i < a.size() - 1; i++ ) {
int expected = i + 1;
assertTrue( "index " + i + " expected " + expected + ", list: " + a,
a.get( i ) == expected );
}
assertEquals( 5, a.get( a.size() - 1 ) );
assertTrue( a.remove( 5 ) );
assertEquals( element_count, a.size() );
for ( int i = 0; i < 4; i++ ) {
int expected = i + 1;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
for ( int i = 4; i < a.size() - 1; i++ ) {
int expected = i + 2;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
assertEquals( 5, a.get( a.size() - 1 ) );
}
public void testRemoveMultiple() {
int element_count = 20;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
// Remove odd offsets, which are even numbers.
for ( int i = element_count; i >= 0; i-- ) {
if ( i % 2 == 1 ) {
a.removeAt( i );
}
}
for ( int i = 0; i < a.size(); i++ ) {
int expected = i * 2 + 1;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
}
public void testRemoveChunk() {
int element_count = 20;
TIntList a = new TIntArrayList();
assertTrue( a.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.remove( 5, 10 );
for ( int i = 0; i < 5; i++ ) {
int expected = i + 1;
assertTrue( "index " + i + " expected " + expected, a.get( i ) == expected );
}
for ( int i = 5; i < a.size(); i++ ) {
int expected = i + 11;
assertTrue( "index " + i + " expected " + expected +
" but got " + a.get( i ), a.get( i ) == expected );
}
try {
a.remove( -1, 10 );
fail( "Expected ArrayIndexOutOfBoundsException" );
}
catch ( ArrayIndexOutOfBoundsException ex ) {
// Expected
}
try {
a.remove( a.size(), 1 );
fail( "Expected ArrayIndexOutOfBoundsException" );
}
catch ( ArrayIndexOutOfBoundsException ex ) {
// Expected
}
}
public void testContainsAllCollection() {
int element_count = 20;
SortedSet<Integer> set = new TreeSet<Integer>();
for ( int i = 0; i < element_count; i++ ) {
set.add( Integer.valueOf( i ) );
}
TIntArrayList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertTrue( "list: " + list + " should contain all of set: " + set,
list.containsAll( set ) );
set.remove( element_count );
assertTrue( "list: " + list + " should contain all of set: " + set,
list.containsAll( set ) );
list.remove( 5 );
assertFalse( "list: " + list + " should not contain all of set: " + set,
list.containsAll( set ) );
list.add( 5 );
// Test when not all objects are Integers..
Set<Number> obj_set = new HashSet<Number>();
for ( int i = 0; i < element_count; i++ ) {
if ( i != 5 ) {
obj_set.add( Integer.valueOf( i ) );
} else {
obj_set.add( Long.valueOf( ( long ) i ) );
}
}
assertFalse( "list should not contain all of obj_set",
list.containsAll( obj_set ) );
}
public void testContainsAllTCollection() {
int element_count = 20;
TIntArrayList list = new TIntArrayList( element_count * 2 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
TIntArrayList other = new TIntArrayList( list );
assertEquals( element_count, list.size() );
assertEquals( element_count, other.size() );
assertEquals( list, other );
assertTrue( "list should contain all of itself: " + list, list.containsAll( list ) );
assertTrue( "list should contain all of equal list " + list + ", " + other,
list.containsAll( other ) );
for ( int i = 0; i < other.size(); i++ ) {
if ( i % 2 == 0 ) {
other.removeAt( i );
}
}
assertTrue( "list: " + list + " should contain all of other: " + other,
list.containsAll( other ) );
other.add( 1138 );
assertFalse( "list: " + list + " should not contain all of other: " + other,
list.containsAll( other ) );
TIntSet set = new TIntHashSet( list );
assertTrue( "list: " + list + " should contain all of set: " + set,
list.containsAll( set ) );
set.add ( 1138 );
assertFalse( "list: " + list + " should not contain all of set: " + set,
list.containsAll( set ) );
}
public void testContainsAllArray() {
int element_count = 20;
int[] ints = new int[element_count];
TIntArrayList list = new TIntArrayList( element_count * 2 );
for ( int i = 0; i < element_count; i++ ) {
ints[i] = i;
list.add( i );
}
assertTrue( "list: " + list + " should contain all of array: " +
Arrays.toString( ints ), list.containsAll( ints ) );
ints[5] = 1138;
assertFalse( "list: " + list + " should cnot ontain all of array: " +
Arrays.toString( ints ), list.containsAll( ints ) );
}
public void testAddAllCollection() {
int element_count = 20;
SortedSet<Integer> set = new TreeSet<Integer>();
for ( int i = 0; i < element_count; i++ ) {
set.add( Integer.valueOf( i ) );
}
TIntArrayList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, set.size() );
assertEquals( element_count, list.size() );
list.addAll( set );
assertEquals( element_count * 2, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
int expected;
if ( i < element_count ) {
expected = i;
} else {
expected = i - element_count;
}
assertEquals( expected , list.get( i ) );
}
}
public void testAddAllTCollection() {
int element_count = 20;
TIntArrayList source = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
source.add( Integer.valueOf( i ) );
}
TIntArrayList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, source.size() );
assertEquals( element_count, list.size() );
list.addAll( source );
assertEquals( element_count * 2, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
int expected;
if ( i < element_count ) {
expected = i;
} else {
expected = i - element_count;
}
assertEquals( expected , list.get( i ) );
}
}
public void testAddAllArray() {
int element_count = 20;
int[] ints = new int[element_count];
TIntArrayList list = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
ints[i] = i;
list.add( Integer.valueOf( i ) );
}
assertEquals( element_count, list.size() );
assertTrue ( list.addAll( ints ) );
assertEquals( element_count * 2, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
int expected;
if ( i < element_count ) {
expected = i;
} else {
expected = i - element_count;
}
assertEquals( "expected: " + expected + ", got: " + list.get( i ) +
", list: " + list + ", array: " + Arrays.toString( ints ),
expected , list.get( i ) );
}
}
public void testRetainAllCollection() {
int element_count = 20;
SortedSet<Integer> set = new TreeSet<Integer>();
for ( int i = 0; i < element_count; i++ ) {
set.add( Integer.valueOf( i ) );
}
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, set.size() );
assertEquals( element_count, list.size() );
assertFalse( list.retainAll( set ) );
assertEquals( element_count, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
assertEquals( i , list.get( i ) );
}
set.remove( 0 );
set.remove( 5 );
set.remove( 10 );
set.remove( 15 );
assertTrue( list.retainAll( set ) );
int expected = element_count - 4;
assertEquals( "expected: " + expected + ", was: " + list.size() + ", list: " + list ,
expected, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
expected = ( int ) Math.floor( i / 4 ) + i + 1;
assertEquals( "expected: " + expected + ", was: " + list.get( i ) + ", list: " + list,
expected , list.get( i ) );
}
}
public void testRetainAllTCollection() {
int element_count = 20;
TIntList other = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
other.add( i );
}
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, list.size() );
assertEquals( element_count, other.size() );
assertFalse( list.retainAll( list ) );
assertFalse( list.retainAll( other ) );
assertEquals( element_count, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
assertEquals( i , list.get( i ) );
}
other.remove( 0 );
other.remove( 5 );
other.remove( 10 );
other.remove( 15 );
assertTrue( list.retainAll( other ) );
int expected = element_count - 4;
assertEquals( expected, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
expected = ( int ) Math.floor( i / 4 ) + i + 1;
assertEquals( "expected: " + expected + ", was: " + list.get( i ) + ", list: " + list,
expected , list.get( i ) );
}
}
public void testRetainAllArray() {
int element_count = 20;
int ints[] = new int[element_count];
for ( int i = 0; i < element_count; i++ ) {
ints[i] = i;
}
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, list.size() );
assertFalse( list.retainAll( ints ) );
assertEquals( element_count, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
assertEquals( i , list.get( i ) );
}
ints = new int[( element_count - 4 )] ;
for ( int i = 0, j = 0; i < ints.length; i++, j++ ) {
if ( i % 4 == 0 ) {
j++;
}
ints[i] = j;
}
assertTrue( list.retainAll( ints ) );
int expected = element_count - 4;
assertEquals( expected, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
expected = ( int ) Math.floor( i / 4 ) + i + 1;
assertEquals( "expected: " + expected + ", was: " + list.get( i ) + ", list: " + list,
expected , list.get( i ) );
}
}
public void testRemoveAllCollection() {
int element_count = 20;
SortedSet<Integer> set = new TreeSet<Integer>();
for ( int i = 0; i < element_count; i++ ) {
set.add( Integer.valueOf( i ) );
}
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, set.size() );
assertEquals( element_count, list.size() );
assertTrue( list.removeAll( set ) );
assertTrue( list.isEmpty() );
assertEquals( 0, list.size() );
assertEquals( element_count, set.size() );
for ( int i = 0; i < set.size(); i++ ) {
assertTrue( set.contains( Integer.valueOf( i ) ) );
}
// Reset the list
list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
set.remove( 0 );
set.remove( 5 );
set.remove( 10 );
set.remove( 15 );
assertTrue( list.removeAll( set ) );
int expected = 4;
assertEquals( "expected: " + expected + ", was: " + list.size() + ", list: " + list ,
expected, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
expected = i * 5;
assertEquals( "expected: " + expected + ", was: " + list.get( i ) + ", list: " + list,
expected , list.get( i ) );
}
}
public void testRemoveAllTCollection() {
int element_count = 20;
TIntList other = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
other.add( i );
}
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, list.size() );
assertEquals( element_count, other.size() );
assertTrue( list.removeAll( list ) );
assertEquals( 0, list.size() );
assertTrue( list.isEmpty() );
// Reset the list
list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertTrue( list.removeAll( other ) );
assertEquals( 0, list.size() );
assertTrue( list.isEmpty() );
for ( int i = 0; i < list.size(); i++ ) {
assertEquals( i , list.get( i ) );
}
// Reset the list
list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
other.remove( 0 );
other.remove( 5 );
other.remove( 10 );
other.remove( 15 );
assertTrue( list.removeAll( other ) );
int expected = 4;
assertEquals( "expected: " + expected + ", was: " + list.size() + ", list: " + list ,
expected, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
expected = i * 5;
assertEquals( "expected: " + expected + ", was: " + list.get( i ) + ", list: " + list,
expected , list.get( i ) );
}
}
public void testRemoveAllArray() {
int element_count = 20;
int ints[] = new int[element_count];
for ( int i = 0; i < element_count; i++ ) {
ints[i] = i;
}
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
assertEquals( element_count, list.size() );
assertTrue( list.removeAll( ints ) );
assertEquals( 0, list.size() );
assertTrue( list.isEmpty() );
// Reset the list
list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
ints = new int[( element_count - 4 )] ;
for ( int i = 0, j = 0; i < ints.length; i++, j++ ) {
if ( i % 4 == 0 ) {
j++;
}
ints[i] = j;
}
assertTrue( list.removeAll( ints ) );
int expected = 4;
assertEquals( expected, list.size() );
for ( int i = 0; i < list.size(); i++ ) {
expected = i * 5;
assertEquals( "expected: " + expected + ", was: " + list.get( i ) + ", list: " + list,
expected , list.get( i ) );
}
}
public void testShuffle() {
int element_count = 20;
TIntList list = new TIntArrayList( 20 );
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
list.shuffle( new Random( System.currentTimeMillis() ) );
for ( int i = 0; i < list.size(); i++ ) {
assertTrue( list.contains( i ) );
}
}
public void testIterator() {
int element_count = 20;
TIntList list = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
TIntIterator iter = list.iterator();
assertTrue( "iter should have next: " + list.size(), iter.hasNext() );
int j = 0;
while ( iter.hasNext() ) {
int next = iter.next();
assertEquals( j, next );
j++;
}
assertFalse( iter.hasNext() );
iter = list.iterator();
for ( int i = 0; i < element_count / 2; i++ ) {
iter.next();
}
iter.remove();
try {
// trying to remove it again should fail.
iter.remove();
fail( "Expected IllegalStateException" );
}
catch ( IllegalStateException ex ) {
// Expected
}
for ( int i = 0; i < element_count / 2 - 1; i++ ) {
iter.next();
}
}
public void testIteratorAbuseNext() {
int element_count = 20;
TIntList list = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
TIntIterator iter = list.iterator();
while ( iter.hasNext() ) {
iter.next();
}
assertFalse( iter.hasNext() );
list.remove( 5, 10 );
assertFalse( iter.hasNext() );
try {
iter.next();
fail( "Expected NoSuchElementException" );
} catch( NoSuchElementException ex ) {
// Expected.
}
}
public void testIteratorAbuseRemove() {
int element_count = 20;
TIntList list = new TIntArrayList();
for ( int i = 0; i < element_count; i++ ) {
list.add( i );
}
TIntIterator iter = list.iterator();
while ( iter.hasNext() ) {
iter.next();
}
assertFalse( iter.hasNext() );
list.remove( 5, 10 );
assertFalse( iter.hasNext() );
try {
iter.remove();
fail( "Expected ConcurrentModificationException" );
} catch( ConcurrentModificationException ex ) {
// Expected.
}
}
public void testEnsureCapacity() {
int size = 1000;
TIntArrayList array_list = new TIntArrayList();
int initial_length = array_list._data.length;
assertEquals( Constants.DEFAULT_CAPACITY, initial_length );
array_list.ensureCapacity( size );
int max_length = array_list._data.length;
assertTrue( "not large enough: " + max_length + " should be >= " + size,
max_length >= size );
}
public void testTrimToSize() {
int initial_size = 1000;
int element_count = 100;
TIntArrayList array_list = new TIntArrayList( initial_size );
int initial_length = array_list._data.length;
assertEquals( initial_size, initial_length );
assertTrue( array_list.isEmpty() );
for ( int i = 1; i <= element_count; i++ ) {
array_list.add( i );
}
array_list.trimToSize();
int trimmed_length = array_list._data.length;
assertTrue( "not trimmed: " + trimmed_length + " should be == " + element_count,
trimmed_length == element_count );
}
public void testToArray() {
assertTrue( Arrays.equals( new int[]{1, 2, 3, 4, 5}, list.toArray() ) );
assertTrue( Arrays.equals( new int[]{1, 2, 3, 4}, list.toArray( 0, 4 ) ) );
assertTrue( Arrays.equals( new int[]{2, 3, 4, 5}, list.toArray( 1, 4 ) ) );
assertTrue( Arrays.equals( new int[]{2, 3, 4}, list.toArray( 1, 3 ) ) );
try {
list.toArray( -1, 5 );
fail( "Expected ArrayIndexOutOfBoundsException when begin < 0" );
}
catch ( ArrayIndexOutOfBoundsException expected ) {
// Expected
}
}
public void testToArrayWithDest() {
int[] dest = new int[5];
assertTrue( Arrays.equals( new int[]{1, 2, 3, 4, 5}, list.toArray( dest ) ) );
dest = new int[4];
assertTrue( Arrays.equals( new int[]{1, 2, 3, 4}, list.toArray( dest, 0, 4 ) ) );
dest = new int[4];
assertTrue( Arrays.equals( new int[]{2, 3, 4, 5}, list.toArray( dest, 1, 4 ) ) );
dest = new int[3];
assertTrue( Arrays.equals( new int[]{2, 3, 4}, list.toArray( dest, 1, 3 ) ) );
try {
list.toArray( dest, -1, 5 );
fail( "Expected ArrayIndexOutOfBoundsException when begin < 0" );
}
catch ( ArrayIndexOutOfBoundsException expected ) {
// Expected
}
}
public void testToArrayWithDestTarget() {
int[] dest = new int[5];
assertTrue( Arrays.equals( new int[]{1, 2, 3, 4, 5}, list.toArray( dest ) ) );
dest = new int[4];
assertTrue( Arrays.equals( new int[]{1, 2, 3, 4}, list.toArray( dest, 0, 0, 4 ) ) );
dest = new int[5];
assertTrue( Arrays.equals( new int[]{0, 2, 3, 4, 5}, list.toArray( dest, 1, 1, 4 ) ) );
dest = new int[4];
assertTrue( Arrays.equals( new int[]{0, 2, 3, 4}, list.toArray( dest, 1, 1, 3 ) ) );
dest = new int[5];
assertTrue( Arrays.equals( new int[]{0, 0, 0, 0, 0}, list.toArray( dest, 0, 0, 0 ) ) );
try {
list.toArray( dest, -1, 0, 5 );
fail( "Expected ArrayIndexOutOfBoundsException when begin < 0" );
}
catch ( ArrayIndexOutOfBoundsException expected ) {
// Expected
}
}
public void testSubList() throws Exception {
TIntList subList = list.subList( 1, 4 );
assertEquals( 3, subList.size() );
assertEquals( 2, subList.get( 0 ) );
assertEquals( 4, subList.get( 2 ) );
}
public void testSublist_Exceptions() {
try {
list.subList( 1, 0 );
fail( "expected IllegalArgumentException when end < begin" );
}
catch ( IllegalArgumentException expected ) {
}
try {
list.subList( -1, 3 );
fail( "expected IndexOutOfBoundsException when begin < 0" );
}
catch ( IndexOutOfBoundsException expected ) {
}
try {
list.subList( 1, 42 );
fail( "expected IndexOutOfBoundsException when end > length" );
}
catch ( IndexOutOfBoundsException expected ) {
}
}
public void testIndexOf() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
int index = a.indexOf( 10 );
assertEquals( 9, index );
// Add more elements, but duplicates
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
index = a.indexOf( 10 );
assertEquals( 9, index );
index = a.indexOf( 5 );
assertEquals( 4, index );
index = a.lastIndexOf( 5 );
assertEquals( 24, index );
// Non-existant entry
index = a.indexOf( 100 );
assertEquals( -1, index );
}
public void testBinarySearch() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.sort();
int index = a.binarySearch( 5 );
assertEquals( 4, index );
index = a.binarySearch( 8 );
assertEquals( 7, index );
// Add more elements, but duplicates
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.sort();
index = a.indexOf( 5 );
assertTrue( "index: " + index, index >= 8 && index <= 9 );
// Not in this range.
index = a.binarySearch( 5, 15, 30 );
assertTrue( "index: " + index, index < 0 );
try {
a.binarySearch( 5, 10, 55 );
fail( "Expected ArrayIndexOutOfBoundsException" );
}
catch ( ArrayIndexOutOfBoundsException ex ) {
// Expected
}
try {
a.binarySearch( 5, -1, 15 );
fail( "Expected ArrayIndexOutOfBoundsException" );
}
catch ( ArrayIndexOutOfBoundsException ex ) {
// Expected
}
}
public void testFill() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.fill( 0xdeadbeef );
for ( int i = 0; i < element_count; i++ ) {
assertEquals( 0xdeadbeef, a.get( i ) );
}
}
public void testFillOffsets() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.fill( 10, 15, 0xdeadbeef );
for ( int i = 0; i < 10; i++ ) {
assertEquals( i + 1, a.get( i ) );
}
for ( int i = 10; i < 15; i++ ) {
assertEquals( 0xdeadbeef, a.get( i ) );
}
for ( int i = 15; i < a.size(); i++ ) {
assertEquals( i + 1, a.get( i ) );
}
a.fill( 15, 25, 0xcafebabe );
assertEquals( 25, a.size() );
for ( int i = 0; i < 10; i++ ) {
assertEquals( i + 1, a.get( i ) );
}
for ( int i = 10; i < 15; i++ ) {
assertEquals( 0xdeadbeef, a.get( i ) );
}
for ( int i = 15; i < a.size(); i++ ) {
assertEquals( 0xcafebabe, a.get( i ) );
}
}
public void testReset() {
int element_count = 20;
TIntArrayList a = new TIntArrayList( 20, Integer.MIN_VALUE );
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
assertEquals( element_count, a.size() );
a.reset();
assertEquals( 0, a.size() );
for ( int i = 0; i < element_count; i++ ) {
int expected = a.getQuick( i );
assertTrue( "index " + i + " is " + expected,
a.getNoEntryValue() == expected );
}
}
public void testGrep() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
TIntList grepped = a.grep( new TIntProcedure() {
public boolean execute( int value ) {
return value > 10;
}
} );
for ( int i = 0; i < grepped.size(); i++ ) {
int expected = i + 11;
assertEquals( expected, grepped.get( i ) );
}
}
public void testInverseGrep() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
TIntList grepped = a.inverseGrep( new TIntProcedure() {
public boolean execute( int value ) {
return value <= 10;
}
} );
for ( int i = 0; i < grepped.size(); i++ ) {
int expected = i + 11;
assertEquals( expected, grepped.get( i ) );
}
}
public void testMax() {
assertEquals( 5, list.max() );
assertEquals( 1, list.min() );
TIntList list2 = new TIntArrayList();
assertTrue( list2.isEmpty() );
list2.add( 3 );
list2.add( 1 );
list2.add( 2 );
list2.add( 5 );
list2.add( 4 );
assertEquals( 5, list2.max() );
assertEquals( 1, list2.min() );
try {
TIntList list3 = new TIntArrayList();
list3.min();
fail( "Expected IllegalStateException" );
}
catch ( IllegalStateException ex ) {
// Expected
}
try {
TIntList list3 = new TIntArrayList();
list3.max();
fail( "Expected IllegalStateException" );
}
catch ( IllegalStateException ex ) {
// Expected
}
}
public void testForEach() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
class ForEach implements TIntProcedure {
TIntList built = new TIntArrayList();
public boolean execute( int value ) {
built.add( value );
return true;
}
TIntList getBuilt() {
return built;
}
}
ForEach foreach = new ForEach();
a.forEach( foreach );
TIntList built = foreach.getBuilt();
assertEquals( a, built );
}
public void testForEachFalse() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
class ForEach implements TIntProcedure {
TIntList built = new TIntArrayList();
public boolean execute( int value ) {
built.add( value );
return false;
}
TIntList getBuilt() {
return built;
}
}
ForEach foreach = new ForEach();
a.forEach( foreach );
TIntList built = foreach.getBuilt();
assertEquals( 1, built.size() );
assertEquals( 1, built.get( 0 ) );
}
public void testForEachDescending() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
class ForEach implements TIntProcedure {
TIntList built = new TIntArrayList();
public boolean execute( int value ) {
built.add( value );
return true;
}
TIntList getBuilt() {
return built;
}
}
ForEach foreach = new ForEach();
a.forEachDescending( foreach );
TIntList built = foreach.getBuilt();
built.reverse();
assertEquals( a, built );
}
public void testForEachDescendingFalse() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
class ForEach implements TIntProcedure {
TIntList built = new TIntArrayList();
public boolean execute( int value ) {
built.add( value );
return false;
}
TIntList getBuilt() {
return built;
}
}
ForEach foreach = new ForEach();
a.forEachDescending( foreach );
TIntList built = foreach.getBuilt();
built.reverse();
assertEquals( 1, built.size() );
assertEquals( 19, built.get( 0 ) );
}
public void testTransform() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i < element_count; i++ ) {
a.add( i );
}
a.transformValues( new TIntFunction() {
public int execute( int value ) {
return value * value;
}
} );
for ( int i = 0; i < a.size(); i++ ) {
int result = a.get( i );
int expected = ( i + 1 ) * ( i + 1 );
assertEquals( expected, result );
}
}
public void testReverse() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.reverse();
for ( int i = 0, j = a.size(); i < a.size(); i++, j-- ) {
assertEquals( j, a.get( i ) );
}
}
public void testReversePartial() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.reverse( 1, 19 );
int[] expected = {1, 19, 18, 17, 16, 15, 14, 13, 12, 11,
10, 9, 8, 7, 6, 5, 4, 3, 2, 20};
for ( int i = 0; i < a.size(); i++ ) {
assertEquals( expected[i], a.get( i ) );
}
try {
a.reverse( 20, 10 );
fail( "Expected IllegalArgumentException" );
}
catch ( IllegalArgumentException ex ) {
// Expected
}
}
public void testSortPartial() {
int element_count = 20;
TIntList a = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
a.add( i );
}
a.reverse();
a.sort( 5, 15 );
int[] expected = {20, 19, 18, 17, 16, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 5, 4, 3, 2, 1};
for ( int i = 0; i < a.size(); i++ ) {
assertEquals( expected[i], a.get( i ) );
}
try {
a.sort( 20, 10 );
fail( "Expected IllegalArgumentException" );
}
catch ( IllegalArgumentException ex ) {
// Expected
}
}
public void testEquals() {
int element_count = 20;
TIntList list = new TIntArrayList();
for ( int i = 1; i <= element_count; i++ ) {
list.add( i );
}
assertEquals( list, list );
assertEquals( list, new TIntArrayList( list ) );
TIntCollection collection = new TIntHashSet();
for ( int i = 1; i <= element_count; i++ ) {
collection.add( i );
}
assertFalse( list.equals( collection ) );
collection.add( 1138 );
assertFalse( list.equals( collection ) );
TIntList other = new TIntArrayList( list );
other.replace( 10, 1138 );
assertFalse( list.equals( other ) );
}
public void testSerialization() throws Exception {
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream oout = new ObjectOutputStream( bout );
oout.writeObject( list );
oout.close();
ObjectInputStream oin = new ObjectInputStream(
new ByteArrayInputStream( bout.toByteArray() ) );
TIntArrayList new_list = (TIntArrayList) oin.readObject();
assertEquals( list, new_list );
}
}