Preparation task for Settings Fragment Migration

Create some compatible files.
These files can be used for Settings Fragment Migration task.

Bug: 110259478
Test: make RunSettingsLibRoboTests -j40
Change-Id: Ib3d52e9a5f5bed5c194d429fdfa4b0d01ed07f01
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/inputmethod/InputMethodAndSubtypeUtilCompatTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/inputmethod/InputMethodAndSubtypeUtilCompatTest.java
new file mode 100644
index 0000000..ddadac1
--- /dev/null
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/inputmethod/InputMethodAndSubtypeUtilCompatTest.java
@@ -0,0 +1,271 @@
+/*
+ * Copyright (C) 2018 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 com.android.settingslib.inputmethod;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.pm.ApplicationInfo;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodSubtype;
+import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+
+@RunWith(RobolectricTestRunner.class)
+public class InputMethodAndSubtypeUtilCompatTest {
+
+    private static final HashSet<String> EMPTY_STRING_SET = new HashSet<>();
+
+    private static HashSet<String> asHashSet(String... strings) {
+        HashSet<String> hashSet = new HashSet<>();
+        for (String s : strings) {
+            hashSet.add(s);
+        }
+        return hashSet;
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_EmptyString() {
+        assertThat(InputMethodAndSubtypeUtilCompat.
+                parseInputMethodsAndSubtypesString("")).isEmpty();
+        assertThat(InputMethodAndSubtypeUtilCompat.
+                parseInputMethodsAndSubtypesString(null)).isEmpty();
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_SingleImeNoSubtype() {
+        HashMap<String, HashSet<String>> r =
+                InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString("ime0");
+        assertThat(r).containsExactly("ime0", EMPTY_STRING_SET);
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_MultipleImesNoSubtype() {
+        HashMap<String, HashSet<String>> r =
+                InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString("ime0:ime1");
+        assertThat(r).containsExactly("ime0", EMPTY_STRING_SET, "ime1", EMPTY_STRING_SET);
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_SingleImeSingleSubtype() {
+        HashMap<String, HashSet<String>> r =
+                InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString("ime0;subtype0");
+        assertThat(r).containsExactly("ime0", asHashSet("subtype0"));
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_SingleImeDuplicateSameSubtypes() {
+        HashMap<String, HashSet<String>> r =
+                InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString(
+                        "ime0;subtype0;subtype0");
+        assertThat(r).containsExactly("ime0", asHashSet("subtype0"));
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_SingleImeMultipleSubtypes() {
+        HashMap<String, HashSet<String>> r =
+                InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString(
+                        "ime0;subtype0;subtype1");
+        assertThat(r).containsExactly("ime0", asHashSet("subtype0", "subtype1"));
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_MultiplePairsOfImeSubtype() {
+        assertThat(InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString(
+                "ime0;subtype0:ime1;subtype1"))
+                .containsExactly("ime0", asHashSet("subtype0"), "ime1", asHashSet("subtype1"));
+        assertThat(InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString(
+                "ime0;subtype0;subtype1:ime1;subtype2"))
+                .containsExactly("ime0", asHashSet("subtype0", "subtype1"),
+                        "ime1", asHashSet("subtype2"));
+        assertThat(InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString(
+                "ime0;subtype0;subtype1:ime1;subtype1;subtype2"))
+                .containsExactly("ime0", asHashSet("subtype0", "subtype1"),
+                        "ime1", asHashSet("subtype1", "subtype2"));
+
+    }
+
+    @Test
+    public void parseInputMethodsAndSubtypesString_MixedImeSubtypePairsAndImeNoSubtype() {
+        HashMap<String, HashSet<String>> r =
+                InputMethodAndSubtypeUtilCompat.parseInputMethodsAndSubtypesString(
+                        "ime0;subtype0;subtype1:ime1;subtype1;subtype2:ime2");
+        assertThat(r).containsExactly("ime0", asHashSet("subtype0", "subtype1"),
+                "ime1", asHashSet("subtype1", "subtype2"),
+                "ime2", EMPTY_STRING_SET);
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_EmptyInput() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        assertThat(map).isEmpty();
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_SingleIme() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        map.put("ime0", new HashSet<>());
+        String result = InputMethodAndSubtypeUtilCompat.buildInputMethodsAndSubtypesString(map);
+        assertThat(result).isEqualTo("ime0");
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_SingleImeSingleSubtype() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        map.put("ime0", asHashSet("subtype0"));
+        String result = InputMethodAndSubtypeUtilCompat.buildInputMethodsAndSubtypesString(map);
+        assertThat(result).isEqualTo("ime0;subtype0");
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_SingleImeMultipleSubtypes() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        map.put("ime0", asHashSet("subtype0", "subtype1"));
+        String result = InputMethodAndSubtypeUtilCompat.buildInputMethodsAndSubtypesString(map);
+
+        // We do not expect what order will be used to concatenate items in
+        // InputMethodAndSubtypeUtil.buildInputMethodsAndSubtypesString() hence accept all possible
+        // permutations here.
+        assertThat(result).matches("ime0;subtype0;subtype1|ime0;subtype1;subtype0");
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_MultipleImesNoSubtypes() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        map.put("ime0", EMPTY_STRING_SET);
+        map.put("ime1", EMPTY_STRING_SET);
+        String result = InputMethodAndSubtypeUtilCompat.buildInputMethodsAndSubtypesString(map);
+
+        // We do not expect what order will be used to concatenate items in
+        // InputMethodAndSubtypeUtil.buildInputMethodsAndSubtypesString() hence accept all possible
+        // permutations here.
+        assertThat(result).matches("ime0:ime1|ime1:ime0");
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_MultipleImesWithAndWithoutSubtypes() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        map.put("ime0", asHashSet("subtype0", "subtype1"));
+        map.put("ime1", EMPTY_STRING_SET);
+        String result = InputMethodAndSubtypeUtilCompat.buildInputMethodsAndSubtypesString(map);
+
+        // We do not expect what order will be used to concatenate items in
+        // InputMethodAndSubtypeUtil.buildInputMethodsAndSubtypesString() hence accept all possible
+        // permutations here.
+        assertThat(result).matches("ime0;subtype0;subtype1:ime1|ime0;subtype1;subtype0:ime1"
+                + "|ime1:ime0;subtype0;subtype1|ime1:ime0;subtype1;subtype0");
+    }
+
+    @Test
+    public void buildInputMethodsAndSubtypesString_MultipleImesWithSubtypes() {
+        HashMap<String, HashSet<String>> map = new HashMap<>();
+        map.put("ime0", asHashSet("subtype0", "subtype1"));
+        map.put("ime1", asHashSet("subtype2", "subtype3"));
+        String result = InputMethodAndSubtypeUtilCompat.buildInputMethodsAndSubtypesString(map);
+
+        // We do not expect what order will be used to concatenate items in
+        // InputMethodAndSubtypeUtil.buildInputMethodsAndSubtypesString() hence accept all possible
+        // permutations here.
+        assertThat(result).matches("ime0;subtype0;subtype1:ime1;subtype2;subtype3"
+                + "|ime0;subtype1;subtype0:ime1;subtype2;subtype3"
+                + "|ime0;subtype0;subtype1:ime1;subtype3;subtype2"
+                + "|ime0;subtype1;subtype0:ime1;subtype3;subtype2"
+                + "|ime1;subtype2;subtype3:ime0;subtype0;subtype1"
+                + "|ime2;subtype3;subtype2:ime0;subtype0;subtype1"
+                + "|ime3;subtype2;subtype3:ime0;subtype1;subtype0"
+                + "|ime4;subtype3;subtype2:ime0;subtype1;subtype0");
+    }
+
+    @Test
+    public void isValidSystemNonAuxAsciiCapableIme() {
+        // System IME w/ no subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(true, false)))
+                .isFalse();
+
+        // System IME w/ non-Aux and non-ASCII-capable "keyboard" subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(true, false, createDummySubtype("keyboard", false, false))))
+                .isFalse();
+
+        // System IME w/ non-Aux and ASCII-capable "keyboard" subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(true, false, createDummySubtype("keyboard", false, true))))
+                .isTrue();
+
+        // System IME w/ Aux and ASCII-capable "keyboard" subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(true, true, createDummySubtype("keyboard", true, true))))
+                .isFalse();
+
+        // System IME w/ non-Aux and ASCII-capable "voice" subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(true, false, createDummySubtype("voice", false, true))))
+                .isFalse();
+
+        // System IME w/ non-Aux and non-ASCII-capable subtype + Non-Aux and ASCII-capable subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(true, false,
+                        createDummySubtype("keyboard", false, true),
+                        createDummySubtype("keyboard", false, false))))
+                .isTrue();
+
+        // Non-system IME w/ non-Aux and ASCII-capable "keyboard" subtype
+        assertThat(InputMethodAndSubtypeUtilCompat.isValidSystemNonAuxAsciiCapableIme(
+                createDummyIme(false, false, createDummySubtype("keyboard", false, true))))
+                .isFalse();
+   }
+
+    private static InputMethodInfo createDummyIme(boolean isSystem, boolean isAuxIme,
+            InputMethodSubtype... subtypes) {
+        final ResolveInfo ri = new ResolveInfo();
+        final ServiceInfo si = new ServiceInfo();
+        final ApplicationInfo ai = new ApplicationInfo();
+        ai.packageName = "com.example.android.dummyime";
+        ai.enabled = true;
+        ai.flags |= (isSystem ? ApplicationInfo.FLAG_SYSTEM : 0);
+        si.applicationInfo = ai;
+        si.enabled = true;
+        si.packageName = "com.example.android.dummyime";
+        si.name = "Dummy IME";
+        si.exported = true;
+        si.nonLocalizedLabel = "Dummy IME";
+        ri.serviceInfo = si;
+        return new InputMethodInfo(ri, isAuxIme, "",  Arrays.asList(subtypes), 1, false);
+    }
+
+    private static InputMethodSubtype createDummySubtype(
+            String mode, boolean isAuxiliary, boolean isAsciiCapable) {
+        return new InputMethodSubtypeBuilder()
+                .setSubtypeNameResId(0)
+                .setSubtypeIconResId(0)
+                .setSubtypeLocale("en_US")
+                .setLanguageTag("en-US")
+                .setSubtypeMode(mode)
+                .setIsAuxiliary(isAuxiliary)
+                .setIsAsciiCapable(isAsciiCapable)
+                .build();
+    }
+}