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package com.xtremelabs.robolectric.shadows;
import android.text.TextUtils;
import com.xtremelabs.robolectric.TestRunners;
import java.util.Arrays;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
@RunWith(TestRunners.WithDefaults.class)
public class TextUtilsTest {
@Test
public void testExpandTemplate() throws Exception {
assertThat(
(String) TextUtils.expandTemplate("a^1b^2c^3d", "A", "B", "C", "D"),
equalTo("aAbBcCd"));
}
@Test
public void testIsEmpty() throws Exception {
assertThat(TextUtils.isEmpty(null), equalTo(true));
assertThat(TextUtils.isEmpty(""), equalTo(true));
assertThat(TextUtils.isEmpty(" "), equalTo(false));
assertThat(TextUtils.isEmpty("123"), equalTo(false));
}
@Test public void testJoin() {
assertThat(TextUtils.join(",", new String[] { "1" }), equalTo("1"));
assertThat(TextUtils.join(",", new String[] { "1", "2", "3" }), equalTo("1,2,3"));
assertThat(TextUtils.join(",", Arrays.asList("1", "2", "3")), equalTo("1,2,3"));
}
@Test
public void testIsDigitsOnly() throws Exception {
assertThat(TextUtils.isDigitsOnly("123456"), equalTo(true));
assertThat(TextUtils.isDigitsOnly("124a56"), equalTo(false));
}
@Test
public void testSplit() {
//empty
assertThat(TextUtils.split("", ",").length, equalTo(0));
//one value
assertArrayEquals(TextUtils.split("abc", ","), new String[]{"abc"});
//two values
assertArrayEquals(TextUtils.split("abc,def", ","), new String[]{"abc", "def"});
//two values with space
assertArrayEquals(TextUtils.split("abc, def", ","), new String[]{"abc", " def"});
}
@Test
public void testEquals() {
assertThat(TextUtils.equals(null, null), equalTo(true));
assertThat(TextUtils.equals("", ""), equalTo(true));
assertThat(TextUtils.equals("a", "a"), equalTo(true));
assertThat(TextUtils.equals("ab", "ab"), equalTo(true));
assertThat(TextUtils.equals(null, ""), equalTo(false));
assertThat(TextUtils.equals("", null), equalTo(false));
assertThat(TextUtils.equals(null, "a"), equalTo(false));
assertThat(TextUtils.equals("a", null), equalTo(false));
assertThat(TextUtils.equals(null, "ab"), equalTo(false));
assertThat(TextUtils.equals("ab", null), equalTo(false));
assertThat(TextUtils.equals("", "a"), equalTo(false));
assertThat(TextUtils.equals("a", ""), equalTo(false));
assertThat(TextUtils.equals("", "ab"), equalTo(false));
assertThat(TextUtils.equals("ab", ""), equalTo(false));
assertThat(TextUtils.equals("a", "ab"), equalTo(false));
assertThat(TextUtils.equals("ab", "a"), equalTo(false));
}
}
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