/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package elemental.js.util;
import static elemental.js.util.TestUtils.assertSamelitude;
import com.google.gwt.junit.client.GWTTestCase;
import elemental.util.ArrayOf;
import elemental.util.ArrayOfBoolean;
import elemental.util.ArrayOfInt;
import elemental.util.ArrayOfNumber;
import elemental.util.ArrayOfString;
import elemental.util.CanCompare;
import elemental.util.CanCompareInt;
import elemental.util.CanCompareNumber;
import elemental.util.CanCompareString;
import elemental.util.Collections;
/**
* Tests for {@link ArrayOf}, {@link ArrayOfBoolean}, {@link ArrayOfInt},
* {@link ArrayOfString} and {@link ArrayOfNumber}.
*
*/
public class ArrayTests extends GWTTestCase {
private static ArrayOfBoolean arrayFrom(boolean... items) {
final ArrayOfBoolean array = Collections.arrayOfBoolean();
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
return array;
}
private static ArrayOfNumber arrayFrom(double... items) {
final ArrayOfNumber array = Collections.arrayOfNumber();
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
return array;
}
private static ArrayOfInt arrayFrom(int... items) {
final ArrayOfInt array = Collections.arrayOfInt();
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
return array;
}
private static ArrayOfString arrayFrom(String... items) {
final ArrayOfString array = Collections.arrayOfString();
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
return array;
}
@SuppressWarnings("unchecked")
private static <T> ArrayOf<T> arrayFrom(T... items) {
final ArrayOf<T> array = (ArrayOf<T>) Collections.arrayOf(Object.class);
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
return array;
}
@Override
public String getModuleName() {
return "elemental.Elemental";
}
/**
* Tests {@link ArrayOf}.
*/
public void testArrays() {
// This is our test subject.
final ArrayOf<TestItem> array = Collections.arrayOf(TestItem.class);
// These are items to put in him.
final TestItem[] items = new TestItem[] {new TestItem(0), new TestItem(1), new TestItem(2)};
// Let's put the items in him.
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
// Are the items in the right places?
assertEquals(items.length, array.length());
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(items[i], array.get(i));
}
// These are some more items to put in him.
final TestItem[] newItems = new TestItem[] {new TestItem(3), new TestItem(4), new TestItem(5)};
// Put all these items in where the others were.
for (int i = 0, n = items.length; i < n; ++i) {
array.set(i, newItems[i]);
assertEquals(newItems[i], array.get(i));
}
// Shift our test subject to squeeze out the first item.
assertEquals(newItems[0], array.shift());
assertEquals(newItems.length - 1, array.length());
// Then unshift.
array.unshift(newItems[0]);
assertEquals(newItems[0], array.get(0));
assertEquals(newItems.length, array.length());
// Now join them together in harmony.
assertEquals("item3$item4$item5", array.join("$"));
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(i, array.indexOf(newItems[i]));
assertTrue(array.contains(newItems[i]));
}
final TestItem imposter = new TestItem(100);
assertEquals(-1, array.indexOf(imposter));
assertFalse(array.contains(imposter));
final TestItem[] itemsA = new TestItem[] {new TestItem(12), new TestItem(13)};
final TestItem[] itemsB = new TestItem[] {new TestItem(14), new TestItem(15)};
final ArrayOf<TestItem> a = arrayFrom(itemsA);
final ArrayOf<TestItem> b = arrayFrom(itemsB);
assertSamelitude(new TestItem[] {itemsA[0], itemsA[1], itemsB[0], itemsB[1]}, a.concat(b));
assertSamelitude(itemsA, a);
assertSamelitude(itemsB, b);
}
/**
* Tests {@link ArrayOfBoolean}.
*/
public void testArraysOfBooleans() {
// This is our test subject.
final ArrayOfBoolean array = Collections.arrayOfBoolean();
// These are items to put in him.
final boolean[] items = new boolean[] {true, false, true};
// Let's put the items in him.
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
// Are the items in the right places?
assertEquals(items.length, array.length());
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(items[i], array.get(i));
}
// These are some more items to put in him.
final boolean[] newItems = new boolean[] {false, true, false};
// Put all these items in where the others were.
for (int i = 0, n = items.length; i < n; ++i) {
array.set(i, newItems[i]);
assertEquals(newItems[i], array.get(i));
}
// Shift our test subject to squeeze out the first item.
assertEquals(newItems[0], array.shift());
assertEquals(newItems.length - 1, array.length());
// Then Unshift.
array.unshift(newItems[0]);
assertEquals(newItems[0], array.get(0));
assertEquals(newItems.length, array.length());
// Now join them together in harmony.
assertEquals("false$true$false", array.join("$"));
assertEquals(0, array.indexOf(false));
assertTrue(array.contains(false));
assertEquals(1, array.indexOf(true));
assertTrue(array.contains(true));
final ArrayOfBoolean allTrue = Collections.arrayOfBoolean();
allTrue.push(true);
allTrue.push(true);
allTrue.push(true);
assertEquals(-1, allTrue.indexOf(false));
assertFalse(allTrue.contains(false));
final boolean[] itemsA = new boolean[] {true, false};
final boolean[] itemsB = new boolean[] {false, true};
final ArrayOfBoolean a = arrayFrom(itemsA);
final ArrayOfBoolean b = arrayFrom(itemsB);
assertSamelitude(new boolean[] {itemsA[0], itemsA[1], itemsB[0], itemsB[1]}, a.concat(b));
assertSamelitude(itemsA, a);
assertSamelitude(itemsB, b);
}
/**
* Tests {@link ArrayOfInt}.
*/
public void testArraysOfInts() {
// This is our test subject.
final ArrayOfInt array = Collections.arrayOfInt();
// These are items to put in him.
final int[] items = new int[] {0, 1, 2};
// Let's put the items in him.
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
// Are the items in the right places?
assertEquals(items.length, array.length());
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(items[i], array.get(i));
}
// These are some more items to put in him.
final int[] newItems = new int[] {3, 4, 5};
// Put all these items in where the others were.
for (int i = 0, n = items.length; i < n; ++i) {
array.set(i, newItems[i]);
assertEquals(newItems[i], array.get(i));
}
// Shift our test subject to squeeze out the first item.
assertEquals(newItems[0], array.shift());
assertEquals(newItems.length - 1, array.length());
// Then Unshift.
array.unshift(newItems[0]);
assertEquals(newItems[0], array.get(0));
assertEquals(newItems.length, array.length());
// Now join them together in harmony.
assertEquals("3$4$5", array.join("$"));
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(i, array.indexOf(newItems[i]));
assertTrue(array.contains(newItems[i]));
}
final int imposter = 100;
assertEquals(-1, array.indexOf(imposter));
assertFalse(array.contains(imposter));
final int[] itemsA = new int[] {11, 12};
final int[] itemsB = new int[] {13, 14};
final ArrayOfInt a = arrayFrom(itemsA);
final ArrayOfInt b = arrayFrom(itemsB);
assertSamelitude(new int[] {itemsA[0], itemsA[1], itemsB[0], itemsB[1]}, a.concat(b));
assertSamelitude(itemsA, a);
assertSamelitude(itemsB, b);
}
/**
* Tests {@link ArrayOfNumber}.
*/
public void testArraysOfNumbers() {
// This is our test subject.
final ArrayOfNumber array = Collections.arrayOfNumber();
// These are items to put in him.
final double[] items = new double[] {0.0, 1.0, 2.0};
// Let's put the items in him.
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
// Are the items in the right places?
assertEquals(items.length, array.length());
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(items[i], array.get(i));
}
// These are some more items to put in him.
final double[] newItems = new double[] {3.0, 4.0, 5.0};
// Put all these items in where the others were.
for (int i = 0, n = items.length; i < n; ++i) {
array.set(i, newItems[i]);
assertEquals(newItems[i], array.get(i));
}
// Shift our test subject to squeeze out the first item.
assertEquals(newItems[0], array.shift());
assertEquals(newItems.length - 1, array.length());
// Then Unshift.
array.unshift(newItems[0]);
assertEquals(newItems[0], array.get(0));
assertEquals(newItems.length, array.length());
// Now join them together in harmony.
assertEquals("3$4$5", array.join("$"));
final double[] itemsA = new double[] {0.01, 0.02};
final double[] itemsB = new double[] {0.03, 0.04};
final ArrayOfNumber a = arrayFrom(itemsA);
final ArrayOfNumber b = arrayFrom(itemsB);
assertSamelitude(new double[] {itemsA[0], itemsA[1], itemsB[0], itemsB[1]}, a.concat(b));
assertSamelitude(itemsA, a);
assertSamelitude(itemsB, b);
}
/**
* Tests for {@link ArrayOfString}.
*/
public void testArraysOfStrings() {
// This is our test subject.
final ArrayOfString array = Collections.arrayOfString();
// These are items to put in him.
final String[] items = new String[] {"zero goats", "one goat", "two goats"};
// Let's put the items in him.
for (int i = 0, n = items.length; i < n; ++i) {
array.push(items[i]);
}
// Are the items in the right places?
assertEquals(items.length, array.length());
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(items[i], array.get(i));
}
// These are some more items to put in him.
final String[] newItems = new String[] {"three goats", "four goats", "SQUIRREL!"};
// Put all these items in where the others were.
for (int i = 0, n = items.length; i < n; ++i) {
array.set(i, newItems[i]);
assertEquals(newItems[i], array.get(i));
}
// Shift our test subject to squeeze out the first item.
assertEquals(newItems[0], array.shift());
assertEquals(newItems.length - 1, array.length());
// Then Unshift.
array.unshift(newItems[0]);
assertEquals(newItems[0], array.get(0));
assertEquals(newItems.length, array.length());
// Now join them together in harmony.
assertEquals("three goats$four goats$SQUIRREL!", array.join("$"));
for (int i = 0, n = items.length; i < n; ++i) {
assertEquals(i, array.indexOf(newItems[i]));
assertTrue(array.contains(newItems[i]));
}
final String imposter = "Pajamas?";
assertEquals(-1, array.indexOf(imposter));
assertFalse(array.contains(imposter));
final String[] itemsA = new String[] {"atlanta", "eagle"};
final String[] itemsB = new String[] {"chaps", "profit"};
final ArrayOfString a = arrayFrom(itemsA);
final ArrayOfString b = arrayFrom(itemsB);
assertSamelitude(new String[] {itemsA[0], itemsA[1], itemsB[0], itemsB[1]}, a.concat(b));
assertSamelitude(itemsA, a);
assertSamelitude(itemsB, b);
}
/**
* Tests {@link ArrayOf#insert(int, Object)}.
*/
public void testInsertingIntoArrays() {
final ArrayOf<TestItem> array = Collections.arrayOf(TestItem.class);
final TestItem a = new TestItem(0);
array.insert(0, a);
assertSamelitude(new TestItem[] {a}, array);
final TestItem b = new TestItem(1);
array.insert(0, b);
assertSamelitude(new TestItem[] {b, a}, array);
final TestItem c = new TestItem(2);
array.insert(100, c);
assertSamelitude(new TestItem[] {b, a, c}, array);
final TestItem d = new TestItem(3);
array.insert(-1, d);
assertSamelitude(new TestItem[] {b, a, d, c}, array);
}
/**
* Tests {@link ArrayOfBoolean#insert(int, boolean)}.
*/
public void testInsertingIntoArraysOfBooleans() {
final ArrayOfBoolean array = Collections.arrayOfBoolean();
array.insert(0, true);
assertSamelitude(new boolean[] {true}, array);
array.insert(0, false);
assertSamelitude(new boolean[] {false, true}, array);
array.insert(100, false);
assertSamelitude(new boolean[] {false, true, false}, array);
array.insert(-1, true);
assertSamelitude(new boolean[] {false, true, true, false}, array);
}
/**
* Tests {@link ArrayOfInt#insert(int, int)}.
*/
public void testInsertingIntoArraysOfInts() {
final ArrayOfInt array = Collections.arrayOfInt();
array.insert(0, 0);
assertSamelitude(new int[] {0}, array);
array.insert(0, 1);
assertSamelitude(new int[] {1, 0}, array);
array.insert(100, 2);
assertSamelitude(new int[] {1, 0, 2}, array);
array.insert(-1, 3);
assertSamelitude(new int[] {1, 0, 3, 2}, array);
}
/**
* Tests {@link ArrayOfNumber#insert(int, double)}.
*/
public void testInsertingIntoArraysOfNumbers() {
final ArrayOfNumber array = Collections.arrayOfNumber();
array.insert(0, 0.1);
assertSamelitude(new double[] {0.1}, array);
array.insert(0, 0.2);
assertSamelitude(new double[] {0.2, 0.1}, array);
array.insert(100, 0.3);
assertSamelitude(new double[] {0.2, 0.1, 0.3}, array);
array.insert(-1, 0.4);
assertSamelitude(new double[] {0.2, 0.1, 0.4, 0.3}, array);
}
/**
* Tests {@link ArrayOfString#insert(int, String)}.
*/
public void testInsertingIntoArraysOfStrings() {
final ArrayOfString array = Collections.arrayOfString();
array.insert(0, "beer");
assertSamelitude(new String[] {"beer"}, array);
array.insert(0, "cigars");
assertSamelitude(new String[] {"cigars", "beer"}, array);
array.insert(100, "porn");
assertSamelitude(new String[] {"cigars", "beer", "porn"}, array);
array.insert(-1, "profit");
assertSamelitude(new String[] {"cigars", "beer", "profit", "porn"}, array);
}
/**
* Tests {@link ArrayOf#sort(CanCompare)}.
*/
public void testSortingOfArrays() {
final TestItem[] items =
new TestItem[] {new TestItem(0), new TestItem(1), new TestItem(2), new TestItem(3)};
final ArrayOf<TestItem> array = Collections.arrayOf(TestItem.class);
array.push(items[2]);
array.push(items[1]);
array.push(items[3]);
array.push(items[0]);
array.sort(new CanCompare<TestItem>() {
@Override
public int compare(TestItem a, TestItem b) {
return a.id() - b.id();
}
});
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[i], array.get(i));
}
}
/**
* Tests {@link ArrayOfInt#sort()} and
* {@link ArrayOfInt#sort(CanCompareInt)}.
*/
public void testSortingOfArraysOfInts() {
final int[] items = new int[] {0, 1, 2, 3};
final ArrayOfInt array = Collections.arrayOfInt();
array.push(items[2]);
array.push(items[1]);
array.push(items[0]);
array.push(items[3]);
array.sort();
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[i], array.get(i));
}
array.sort(new CanCompareInt() {
@Override
public int compare(int a, int b) {
return b - a;
}
});
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[n - 1 - i], array.get(i));
}
}
/**
* Tests {@link ArrayOfNumber#sort()} and
* {@link ArrayOfNumber#sort(CanCompareNumber)}.
*/
public void testSortingOfArraysOfNumbers() {
final double[] items = new double[] {0.0, 0.1, 0.2, 0.3};
final ArrayOfNumber array = Collections.arrayOfNumber();
array.push(items[2]);
array.push(items[1]);
array.push(items[3]);
array.push(items[0]);
array.sort();
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[i], array.get(i), 0.01);
}
array.sort(new CanCompareNumber() {
@Override
public int compare(double a, double b) {
return (a > b) ? -1 : (a < b) ? 1 : 0;
}
});
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[n - 1 - i], array.get(i), 0.01);
}
}
/**
* Tests {@link ArrayOfString#sort()} and
* {@link ArrayOfString#sort(CanCompareString)}.
*/
public void testSortingOfArraysOfStrings() {
final String[] items = new String[] {"aaa", "aab", "baa", "bab"};
final ArrayOfString array = Collections.arrayOfString();
array.push(items[2]);
array.push(items[1]);
array.push(items[3]);
array.push(items[0]);
array.sort();
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[i], array.get(i));
}
array.sort(new CanCompareString() {
@Override
public native int compare(String a, String b) /*-{
return (a > b) ? -1 : (a < b) ? 1 : 0;
}-*/;
});
assertEquals(items.length, array.length());
for (int i = 0, n = array.length(); i < n; ++i) {
assertEquals(items[n - 1 - i], array.get(i));
}
}
/**
* Tests {@link ArrayOf#splice(int, int)}.
*/
public void testSplicingOfArrays() {
final TestItem[] items = new TestItem[] {
new TestItem(0), new TestItem(1), new TestItem(2), new TestItem(3), new TestItem(4)};
final ArrayOf<TestItem> a = arrayFrom(items);
assertSamelitude(items, a.splice(0, items.length));
assertSamelitude(new TestItem[] {}, a);
final ArrayOf<TestItem> b = arrayFrom(items);
assertSamelitude(new TestItem[] {}, b.splice(0, 0));
assertSamelitude(items, b);
final ArrayOf<TestItem> c = arrayFrom(items);
assertSamelitude(new TestItem[] {items[0], items[1]}, c.splice(0, 2));
assertSamelitude(new TestItem[] {items[2], items[3], items[4]}, c);
}
/**
* Tests {@link ArrayOfBoolean#splice(int, int)}.
*/
public void testSplicingOfArraysOfBooleans() {
final boolean[] items = new boolean[] {true, false, true, false, true};
final ArrayOfBoolean a = arrayFrom(items);
assertSamelitude(items, a.splice(0, items.length));
assertSamelitude(new boolean[] {}, a);
final ArrayOfBoolean b = arrayFrom(items);
assertSamelitude(new boolean[] {}, b.splice(0, 0));
assertSamelitude(items, b);
final ArrayOfBoolean c = arrayFrom(items);
assertSamelitude(new boolean[] {items[0], items[1]}, c.splice(0, 2));
assertSamelitude(new boolean[] {items[2], items[3], items[4]}, c);
}
/**
* Tests {@link ArrayOfInt#splice(int, int)}.
*/
public void testSplicingOfArraysOfInts() {
final int[] items = new int[] {0, 1, 2, 3, 4};
final ArrayOfInt a = arrayFrom(items);
assertSamelitude(items, a.splice(0, items.length));
assertSamelitude(new int[] {}, a);
final ArrayOfInt b = arrayFrom(items);
assertSamelitude(new int[] {}, b.splice(0, 0));
assertSamelitude(items, b);
final ArrayOfInt c = arrayFrom(items);
assertSamelitude(new int[] {items[0], items[1]}, c.splice(0, 2));
assertSamelitude(new int[] {items[2], items[3], items[4]}, c);
}
/**
* Tests {@link ArrayOfNumber#splice(int, int)}.
*/
public void testSplicingOfArraysOfNumbers() {
final double[] items = new double[] {0.0, 0.01, 0.001, 0.0001, 0.00001};
final ArrayOfNumber a = arrayFrom(items);
assertSamelitude(items, a.splice(0, items.length));
assertSamelitude(new double[] {}, a);
final ArrayOfNumber b = arrayFrom(items);
assertSamelitude(new double[] {}, b.splice(0, 0));
assertSamelitude(items, b);
final ArrayOfNumber c = arrayFrom(items);
assertSamelitude(new double[] {items[0], items[1]}, c.splice(0, 2));
assertSamelitude(new double[] {items[2], items[3], items[4]}, c);
}
/**
* Tests {@link ArrayOfString#splice(int, int)}.
*/
public void testSplicingOfArraysOfStrings() {
final String[] items =
new String[] {"One Gerbil", "Two Gerbil", "Three Gerbil", "Four Gerbil", "Five Gerbil"};
final ArrayOfString a = arrayFrom(items);
assertSamelitude(items, a.splice(0, items.length));
assertSamelitude(new String[] {}, a);
final ArrayOfString b = arrayFrom(items);
assertSamelitude(new String[] {}, b.splice(0, 0));
assertSamelitude(items, b);
final ArrayOfString c = arrayFrom(items);
assertSamelitude(new String[] {items[0], items[1]}, c.splice(0, 2));
assertSamelitude(new String[] {items[2], items[3], items[4]}, c);
}
}