1 package com.xtremelabs.robolectric.shadows; 2 3 import android.text.TextUtils; 4 import com.xtremelabs.robolectric.WithTestDefaultsRunner; 5 import java.util.Arrays; 6 7 import org.junit.Test; 8 import org.junit.runner.RunWith; 9 10 import static org.hamcrest.CoreMatchers.*; 11 import static org.junit.Assert.*; 12 13 @RunWith(WithTestDefaultsRunner.class) 14 public class TextUtilsTest { 15 @Test 16 public void testExpandTemplate() throws Exception { 17 assertThat( 18 (String) TextUtils.expandTemplate("a^1b^2c^3d", "A", "B", "C", "D"), 19 equalTo("aAbBcCd")); 20 } 21 22 @Test 23 public void testIsEmpty() throws Exception { 24 assertThat(TextUtils.isEmpty(null), equalTo(true)); 25 assertThat(TextUtils.isEmpty(""), equalTo(true)); 26 assertThat(TextUtils.isEmpty(" "), equalTo(false)); 27 assertThat(TextUtils.isEmpty("123"), equalTo(false)); 28 } 29 30 @Test public void testJoin() { 31 assertThat(TextUtils.join(",", new String[] { "1" }), equalTo("1")); 32 assertThat(TextUtils.join(",", new String[] { "1", "2", "3" }), equalTo("1,2,3")); 33 assertThat(TextUtils.join(",", Arrays.asList("1", "2", "3")), equalTo("1,2,3")); 34 } 35 36 @Test 37 public void testIsDigitsOnly() throws Exception { 38 assertThat(TextUtils.isDigitsOnly("123456"), equalTo(true)); 39 assertThat(TextUtils.isDigitsOnly("124a56"), equalTo(false)); 40 } 41 42 @Test 43 public void testGetTrimmedLength() { 44 assertThat(TextUtils.getTrimmedLength("123456"), equalTo(6)); 45 assertThat(TextUtils.getTrimmedLength(" \n \t 123456"), equalTo(6)); 46 assertThat(TextUtils.getTrimmedLength("123456 \n \t "), equalTo(6)); 47 assertThat(TextUtils.getTrimmedLength(" \n \t 123456 \n \t "), equalTo(6)); 48 assertThat(TextUtils.getTrimmedLength(" \n \t \n \t "), equalTo(0)); 49 } 50 51 @Test 52 public void testSplit() { 53 //empty 54 assertThat(TextUtils.split("", ",").length, equalTo(0)); 55 56 //one value 57 assertArrayEquals(TextUtils.split("abc", ","), new String[]{"abc"}); 58 59 //two values 60 assertArrayEquals(TextUtils.split("abc,def", ","), new String[]{"abc", "def"}); 61 62 //two values with space 63 assertArrayEquals(TextUtils.split("abc, def", ","), new String[]{"abc", " def"}); 64 } 65 } 66
