--- /dev/null
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.widget.cts;
+
+import dalvik.annotation.TestLevel;
+import dalvik.annotation.TestTargetClass;
+import dalvik.annotation.TestTargetNew;
+import dalvik.annotation.TestTargets;
+import dalvik.annotation.ToBeFixed;
+
+import android.content.Context;
+import android.test.InstrumentationTestCase;
+import android.view.ViewGroup;
+import android.widget.ListView;
+import android.widget.TextSwitcher;
+import android.widget.TextView;
+
+/**
+ * Test {@link TextSwitcher}.
+ */
+@TestTargetClass(TextSwitcher.class)
+public class TextSwitcherTest extends InstrumentationTestCase {
+ private Context mContext;
+
+ /**
+ * test width to be used in addView() method.
+ */
+ private static final int PARAMS_WIDTH = 200;
+ /**
+ * test height to be used in addView() method.
+ */
+ private static final int PARAMS_HEIGHT = 300;
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ mContext = getInstrumentation().getContext();
+ }
+
+ @TestTargets({
+ @TestTargetNew(
+ level = TestLevel.COMPLETE,
+ method = "TextSwitcher",
+ args = {android.content.Context.class}
+ ),
+ @TestTargetNew(
+ level = TestLevel.COMPLETE,
+ method = "TextSwitcher",
+ args = {android.content.Context.class, android.util.AttributeSet.class}
+ )
+ })
+ public void testConstructor() {
+ new TextSwitcher(mContext);
+
+ new TextSwitcher(mContext, null);
+ }
+
+ @TestTargetNew(
+ level = TestLevel.COMPLETE,
+ method = "setText",
+ args = {java.lang.CharSequence.class}
+ )
+ public void testSetText() {
+ final String viewText1 = "Text 1";
+ final String viewText2 = "Text 2";
+ final String changedText = "Changed";
+
+ TextSwitcher textSwitcher = new TextSwitcher(mContext);
+
+ TextView tv1 = new TextView(mContext);
+ TextView tv2 = new TextView(mContext);
+ tv1.setText(viewText1);
+ tv2.setText(viewText2);
+ textSwitcher.addView(tv1, 0, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ textSwitcher.addView(tv2, 1, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+
+ TextView tvChild1 = (TextView) textSwitcher.getChildAt(0);
+ TextView tvChild2 = (TextView) textSwitcher.getChildAt(1);
+ assertEquals(viewText1, (tvChild1.getText().toString()));
+ assertEquals(viewText2, (tvChild2.getText().toString()));
+ assertSame(tv1, textSwitcher.getCurrentView());
+
+ // tvChild2's text is changed
+ textSwitcher.setText(changedText);
+ assertEquals(viewText1, (tvChild1.getText().toString()));
+ assertEquals(changedText, (tvChild2.getText().toString()));
+ assertSame(tv2, textSwitcher.getCurrentView());
+
+ // tvChild1's text is changed
+ textSwitcher.setText(changedText);
+ assertEquals(changedText, (tvChild1.getText().toString()));
+ assertEquals(changedText, (tvChild2.getText().toString()));
+ assertSame(tv1, textSwitcher.getCurrentView());
+
+ // tvChild2's text is changed
+ textSwitcher.setText(null);
+ assertEquals(changedText, (tvChild1.getText().toString()));
+ assertEquals("", (tvChild2.getText().toString()));
+ assertSame(tv2, textSwitcher.getCurrentView());
+ }
+
+ @TestTargetNew(
+ level = TestLevel.COMPLETE,
+ method = "setCurrentText",
+ args = {java.lang.CharSequence.class}
+ )
+ public void testSetCurrentText() {
+ final String viewText1 = "Text 1";
+ final String viewText2 = "Text 2";
+ final String changedText1 = "Changed 1";
+ final String changedText2 = "Changed 2";
+
+ TextSwitcher textSwitcher = new TextSwitcher(mContext);
+
+ TextView tv1 = new TextView(mContext);
+ TextView tv2 = new TextView(mContext);
+ tv1.setText(viewText1);
+ tv2.setText(viewText2);
+ textSwitcher.addView(tv1, 0, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ textSwitcher.addView(tv2, 1, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+
+ TextView tvChild1 = (TextView) textSwitcher.getChildAt(0);
+ TextView tvChild2 = (TextView) textSwitcher.getChildAt(1);
+ assertEquals(viewText1, (tvChild1.getText().toString()));
+ assertEquals(viewText2, (tvChild2.getText().toString()));
+ assertSame(tv1, textSwitcher.getCurrentView());
+
+ // tvChild1's text is changed
+ textSwitcher.setCurrentText(changedText1);
+ assertEquals(changedText1, (tvChild1.getText().toString()));
+ assertEquals(viewText2, (tvChild2.getText().toString()));
+ assertSame(tv1, textSwitcher.getCurrentView());
+
+ // tvChild1's text is changed
+ textSwitcher.setCurrentText(changedText2);
+ assertEquals(changedText2, (tvChild1.getText().toString()));
+ assertEquals(viewText2, (tvChild2.getText().toString()));
+ assertSame(tv1, textSwitcher.getCurrentView());
+
+ // tvChild1's text is changed
+ textSwitcher.setCurrentText(null);
+ assertEquals("", (tvChild1.getText().toString()));
+ assertEquals(viewText2, (tvChild2.getText().toString()));
+ assertSame(tv1, textSwitcher.getCurrentView());
+ }
+
+ @TestTargetNew(
+ level = TestLevel.COMPLETE,
+ method = "addView",
+ args = {android.view.View.class, int.class, android.view.ViewGroup.LayoutParams.class}
+ )
+ @ToBeFixed(bug = "1695243", explanation = "the javadoc for addView() is incomplete." +
+ "1. not clear what is supposed to happen if the LayoutParams is null.")
+ public void testAddView() {
+ TextSwitcher textSwitcher = new TextSwitcher(mContext);
+
+ TextView tv1 = new TextView(mContext);
+ TextView tv2 = new TextView(mContext);
+
+ textSwitcher.addView(tv1, 0, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ assertSame(tv1, textSwitcher.getChildAt(0));
+ assertEquals(1, textSwitcher.getChildCount());
+
+ try {
+ // tv1 already has a parent
+ textSwitcher.addView(tv1, 0, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ fail("Should throw IllegalStateException");
+ } catch (IllegalStateException e) {
+ // expected
+ }
+
+ try {
+ textSwitcher.addView(tv2, Integer.MAX_VALUE,
+ new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ fail("Should throw IndexOutOfBoundsException");
+ } catch (IndexOutOfBoundsException e) {
+ // expected
+ }
+
+ textSwitcher.addView(tv2, 1,
+ new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ assertSame(tv2, textSwitcher.getChildAt(1));
+ assertEquals(2, textSwitcher.getChildCount());
+
+ TextView tv3 = new TextView(mContext);
+
+ try {
+ // textSwitcher already has 2 children.
+ textSwitcher.addView(tv3, 2, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ fail("Should throw IllegalStateException");
+ } catch (IllegalStateException e) {
+ // expected
+ }
+
+ textSwitcher = new TextSwitcher(mContext);
+ ListView lv = new ListView(mContext);
+
+ try {
+ textSwitcher.addView(lv, 0, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ fail("Should throw IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+
+ try {
+ textSwitcher.addView(null, 0, new ViewGroup.LayoutParams(PARAMS_WIDTH, PARAMS_HEIGHT));
+ fail("Should throw IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+
+ try {
+ textSwitcher.addView(tv3, 0, null);
+ fail("Should throw NullPointerException");
+ } catch (NullPointerException e) {
+ // expected
+ // issue 1695243, not clear what is supposed to happen if the LayoutParams is null.
+ }
+ }
+}
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