| /* |
| * Copyright (C) 2021 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.view.inputmethod.cts; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.text.InputType; |
| import android.text.Selection; |
| import android.view.inputmethod.SurroundingText; |
| import android.view.inputmethod.TextSnapshot; |
| import android.view.inputmethod.cts.util.InputConnectionTestUtils; |
| |
| import androidx.annotation.NonNull; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public final class TextSnapshotTest { |
| |
| @Test |
| public void testConstruction() { |
| // Empty text |
| verify(surroundingText("[]", 0), -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| |
| // A single character |
| verify(surroundingText("0[]]", 0), -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| |
| verify(surroundingText("012[345]6789", 0), -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| verify(surroundingText("012[345]6789", 1), -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| verify(surroundingText("012[345]6789", 2), -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| |
| verify(surroundingText("012[345]6789", 0), -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| verify(surroundingText("012[345]6789", 0), 3, 6, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| verify(surroundingText("012[345]6789", 2), 3, 6, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| } |
| |
| @Test(expected = NullPointerException.class) |
| public void testNullSurroundingText1() { |
| new TextSnapshot(null, -1, -1, InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidComposeRegion() { |
| new TextSnapshot(surroundingText("012[345]6789", 0), -2, -2, |
| InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidComposeRegion2() { |
| new TextSnapshot(surroundingText("012[345]6789", 0), 0, -2, |
| InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidComposeRegion3() { |
| new TextSnapshot(surroundingText("012[345]6789", 0), -2, 0, |
| InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidComposeRegion4() { |
| new TextSnapshot(surroundingText("012[345]6789", 0), 2, 1, |
| InputType.TYPE_TEXT_FLAG_CAP_WORDS); |
| } |
| |
| private static SurroundingText surroundingText(@NonNull String formatString, int offset) { |
| final CharSequence text = InputConnectionTestUtils.formatString(formatString); |
| final int selectionStart = Selection.getSelectionStart(text); |
| assertThat(selectionStart).isGreaterThan(-1); |
| final int selectionEnd = Selection.getSelectionEnd(text); |
| assertThat(selectionEnd).isGreaterThan(-1); |
| return new SurroundingText(text.subSequence(offset, text.length() - offset), |
| selectionStart - offset, selectionEnd - offset, offset); |
| } |
| |
| private static void verify(@NonNull SurroundingText surroundingText, int compositionStart, |
| int compositionEnd, int cursorCapsMode) { |
| final TextSnapshot snapshot = |
| new TextSnapshot(surroundingText, compositionStart, compositionEnd, cursorCapsMode); |
| |
| assertThat(snapshot.getSurroundingText().getText()).isEqualTo(surroundingText.getText()); |
| assertThat(snapshot.getSurroundingText().getOffset()) |
| .isEqualTo(surroundingText.getOffset()); |
| assertThat(snapshot.getSurroundingText().getSelectionStart()) |
| .isEqualTo(surroundingText.getSelectionStart()); |
| assertThat(snapshot.getSurroundingText().getSelectionEnd()) |
| .isEqualTo(surroundingText.getSelectionEnd()); |
| |
| assertThat(snapshot.getSelectionStart()) |
| .isEqualTo(surroundingText.getSelectionStart() + surroundingText.getOffset()); |
| assertThat(snapshot.getSelectionEnd()) |
| .isEqualTo(surroundingText.getSelectionEnd() + surroundingText.getOffset()); |
| |
| assertThat(snapshot.getCompositionStart()).isEqualTo(compositionStart); |
| assertThat(snapshot.getCompositionEnd()).isEqualTo(compositionEnd); |
| |
| assertThat(snapshot.getCursorCapsMode()).isEqualTo(cursorCapsMode); |
| } |
| } |