Migrate to Android Testing Support Lib (part 1/N)

This CL converts tests under com.android.inputmethod.latin.utils to
Android Testing Support Library.

Bug: 110805255
Test: verified as follows. No new test failures.
        tapas adb LatinIME LatinIMETests arm64 userdebug && \
        DISABLE_PROGUARD=true make -j LatinIME && \
        adb install -r $OUT/system/app/LatinIME/LatinIME.apk && \
        atest LatinIMETests:com.android.inputmethod.latin.utils
Change-Id: I5cc2ddbc4116003ab6407432ab521b6b560052ae

1 files changed, 20 insertions, 3 deletions

diff --git a/tests/src/com/android/inputmethod/latin/utils/SpannableStringUtilsTests.java b/tests/src/com/android/inputmethod/latin/utils/SpannableStringUtilsTests.java
index 665d81ccd..9a6b8629c 100644
--- a/tests/src/com/android/inputmethod/latin/utils/SpannableStringUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/utils/SpannableStringUtilsTests.java
@@ -16,8 +16,13 @@
 
 package com.android.inputmethod.latin.utils;
 
-import android.test.AndroidTestCase;
-import android.test.suitebuilder.annotation.SmallTest;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
 import android.text.style.SuggestionSpan;
 import android.text.style.URLSpan;
 import android.text.SpannableString;
@@ -25,8 +30,18 @@ import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.SpannedString;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 @SmallTest
-public class SpannableStringUtilsTests extends AndroidTestCase {
+@RunWith(AndroidJUnit4.class)
+public class SpannableStringUtilsTests {
+
+    private Context getContext() {
+        return InstrumentationRegistry.getTargetContext();
+    }
+
+    @Test
     public void testConcatWithSuggestionSpansOnly() {
         SpannableStringBuilder s = new SpannableStringBuilder("test string\ntest string\n"
                 + "test string\ntest string\ntest string\ntest string\ntest string\ntest string\n"
@@ -87,6 +102,7 @@ public class SpannableStringUtilsTests extends AndroidTestCase {
         assertTrue(false);
     }
 
+    @Test
     public void testSplitCharSequenceWithSpan() {
         // text:  " a bcd efg hij  "
         // span1:  ^^^^^^^
@@ -182,6 +198,7 @@ public class SpannableStringUtilsTests extends AndroidTestCase {
         assertSpanCount(0, charSequencesFromSpanned[6]);
     }
 
+    @Test
     public void testSplitCharSequencePreserveTrailingEmptySegmengs() {
         assertEquals(1, SpannableStringUtils.split("", " ",
                 false /* preserveTrailingEmptySegmengs */).length);