AI 147445: CTS: add test case for android.widget.CheckBox

Automated import of CL 147445
diff --git a/tests/res/layout/checkbox_layout.xml b/tests/res/layout/checkbox_layout.xml
new file mode 100644
index 0000000..f3ae5e8
--- /dev/null
+++ b/tests/res/layout/checkbox_layout.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ * 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.
+ -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+    <CheckBox android:id="@+id/check_box"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/hello_world" />
+
+</LinearLayout>
diff --git a/tests/tests/widget/src/android/widget/cts/CheckBoxTest.java b/tests/tests/widget/src/android/widget/cts/CheckBoxTest.java
new file mode 100644
index 0000000..2149d28
--- /dev/null
+++ b/tests/tests/widget/src/android/widget/cts/CheckBoxTest.java
@@ -0,0 +1,84 @@
+/*
+ * 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 com.android.cts.stub.R;
+
+import dalvik.annotation.TestLevel;
+import dalvik.annotation.TestTargetClass;
+import dalvik.annotation.TestTargetNew;
+import dalvik.annotation.TestTargets;
+import dalvik.annotation.ToBeFixed;
+
+import org.xmlpull.v1.XmlPullParser;
+
+import android.test.AndroidTestCase;
+import android.util.AttributeSet;
+import android.util.Xml;
+import android.widget.CheckBox;
+
+@TestTargetClass(CheckBox.class)
+public class CheckBoxTest extends AndroidTestCase {
+    @TestTargets({
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "CheckBox",
+            args = {android.content.Context.class}
+        ),
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "CheckBox",
+            args = {android.content.Context.class, android.util.AttributeSet.class}
+        ),
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "CheckBox",
+            args = {android.content.Context.class, android.util.AttributeSet.class, int.class}
+        )
+    })
+    @ToBeFixed(bug="1695243", explanation="should add @throws clause into javadoc of " +
+            "CheckBox's constructors when the input AttributeSet or Context is null")
+    public void testConstructor() {
+        XmlPullParser parser = mContext.getResources().getXml(R.layout.checkbox_layout);
+        AttributeSet mAttrSet = Xml.asAttributeSet(parser);
+
+        new CheckBox(mContext, mAttrSet, 0);
+        new CheckBox(mContext, mAttrSet);
+        new CheckBox(mContext);
+
+        try {
+            new CheckBox(null, null, -1);
+            fail("Should throw NullPointerException.");
+        } catch (NullPointerException e) {
+            // expected, test success.
+        }
+
+        try {
+            new CheckBox(null, null);
+            fail("Should throw NullPointerException.");
+        } catch (NullPointerException e) {
+            // expected, test success.
+        }
+
+        try {
+            new CheckBox(null);
+            fail("Should throw NullPointerException.");
+        } catch (NullPointerException e) {
+            // expected, test success.
+        }
+    }
+}