package org.mozilla.javascript.tests;
import org.junit.Test;
import org.junit.Before;
import static org.junit.Assert.assertThat;
import static org.hamcrest.core.Is.is;
import org.mozilla.javascript.NativeArray;
public class NativeArrayTest {
private NativeArray array;
@Before
public void init() {
array = new NativeArray(1);
}
@Test
public void getIdsShouldIncludeBothIndexAndNormalProperties() {
array.put(0, array, "index");
array.put("a", array, "normal");
assertThat(array.getIds(), is(new Object[]{0, "a"}));
}
@Test
public void deleteShouldRemoveIndexProperties() {
array.put(0, array, "a");
array.delete(0);
assertThat(array.has(0, array), is(false));
}
@Test
public void deleteShouldRemoveNormalProperties() {
array.put("p", array, "a");
array.delete("p");
assertThat(array.has("p", array), is(false));
}
@Test
public void putShouldAddIndexProperties() {
array.put(0, array, "a");
assertThat(array.has(0, array), is(true));
}
@Test
public void putShouldAddNormalProperties() {
array.put("p", array, "a");
assertThat(array.has("p", array), is(true));
}
@Test
public void getShouldReturnIndexProperties() {
array.put(0, array, "a");
array.put("p", array, "b");
assertThat((String) array.get(0, array), is("a"));
}
@Test
public void getShouldReturnNormalProperties() {
array.put("p", array, "a");
assertThat((String) array.get("p", array), is("a"));
}
@Test
public void hasShouldBeFalseForANewArray() {
assertThat(new NativeArray(0).has(0, array), is(false));
}
@Test
public void getIndexIdsShouldBeEmptyForEmptyArray() {
assertThat(new NativeArray(0).getIndexIds(), is(new Integer[]{}));
}
@Test
public void getIndexIdsShouldBeAZeroForSimpleSingletonArray() {
array.put(0, array, "a");
assertThat(array.getIndexIds(), is(new Integer[]{ 0 }));
}
@Test
public void getIndexIdsShouldWorkWhenIndicesSetAsString() {
array.put("0", array, "a");
assertThat(array.getIndexIds(), is(new Integer[]{ 0 }));
}
@Test
public void getIndexIdsShouldNotIncludeNegativeIds() {
array.put(-1, array, "a");
assertThat(array.getIndexIds(), is(new Integer[]{}));
}
@Test
public void getIndexIdsShouldIncludeIdsLessThan2ToThe32() {
int maxIndex = (int) (1L << 31) - 1;
array.put(maxIndex, array, "a");
assertThat(array.getIndexIds(), is(new Integer[]{ maxIndex }));
}
@Test
public void getIndexIdsShouldNotIncludeIdsGreaterThanOrEqualTo2ToThe32() {
array.put((1L<<31)+"", array, "a");
assertThat(array.getIndexIds(), is(new Integer[]{}));
}
@Test
public void getIndexIdsShouldNotReturnNonNumericIds() {
array.put("x", array, "a");
assertThat(array.getIndexIds(), is(new Integer[]{}));
}
}