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A set of AssertJ assertion helpers geared toward testing Android.

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package org.assertj.android.api.util;

import android.annotation.TargetApi;
import android.util.LongSparseArray;
import org.assertj.core.api.AbstractAssert;

import static android.os.Build.VERSION_CODES.JELLY_BEAN;
import static org.assertj.core.api.Assertions.assertThat;

/** Assertions for {@link LongSparseArray} instances. */
@TargetApi(JELLY_BEAN)
public class LongSparseArrayAssert extends AbstractAssert {
  public LongSparseArrayAssert(LongSparseArray actual) {
    super(actual, LongSparseArrayAssert.class);
  }

  public LongSparseArrayAssert hasKey(int key) {
    isNotNull();
    assertThat(actual.indexOfKey(key)) //
        .overridingErrorMessage("Expected key <%s> to be present but was not.", key) //
        .isGreaterThanOrEqualTo(0);
    return this;
  }

  public LongSparseArrayAssert doesNotHaveKey(int key) {
    isNotNull();
    assertThat(actual.indexOfKey(key)) //
        .overridingErrorMessage("Expected key <%s> to not be present but was.") //
        .isLessThan(0);
    return this;
  }

  public LongSparseArrayAssert hasSize(int size) {
    isNotNull();
    int actualSize = actual.size();
    assertThat(actualSize) //
        .overridingErrorMessage("Expected size <%s> but was <%s>.", size, actualSize) //
        .isEqualTo(size);
    return this;
  }
}