| /* |
| * Copyright 2019 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 androidx.ui.core.selection |
| |
| import androidx.test.filters.SmallTest |
| import androidx.ui.text.TextRange |
| import androidx.ui.text.style.ResolvedTextDirection |
| import com.google.common.truth.Truth.assertThat |
| import com.nhaarman.mockitokotlin2.mock |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @RunWith(JUnit4::class) |
| @SmallTest |
| class SelectionTest { |
| @Test |
| fun anchorInfo_constructor() { |
| val direction = ResolvedTextDirection.Ltr |
| val offset = 0 |
| val selectable: Selectable = mock() |
| |
| val anchor = Selection.AnchorInfo( |
| direction = direction, |
| offset = offset, |
| selectable = selectable |
| ) |
| |
| assertThat(anchor.direction).isEqualTo(direction) |
| assertThat(anchor.offset).isEqualTo(offset) |
| assertThat(anchor.selectable).isEqualTo(selectable) |
| } |
| |
| @Test |
| fun selection_constructor() { |
| val startOffset = 0 |
| val endOffset = 6 |
| val selectable: Selectable = mock() |
| val startAnchor = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset, |
| selectable = selectable |
| ) |
| val endAnchor = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset, |
| selectable = selectable |
| ) |
| val handleCrossed = false |
| |
| val selection = Selection( |
| start = startAnchor, |
| end = endAnchor, |
| handlesCrossed = handleCrossed |
| ) |
| |
| assertThat(selection.start).isEqualTo(startAnchor) |
| assertThat(selection.end).isEqualTo(endAnchor) |
| assertThat(selection.handlesCrossed).isEqualTo(handleCrossed) |
| } |
| |
| @Test |
| fun selection_merge_handles_not_cross() { |
| val startOffset1 = 9 |
| val endOffset1 = 20 |
| val selectable1: Selectable = mock() |
| val startAnchor1 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset1, |
| selectable = selectable1 |
| ) |
| val endAnchor1 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset1, |
| selectable = selectable1 |
| ) |
| val selection1 = Selection( |
| start = startAnchor1, |
| end = endAnchor1, |
| handlesCrossed = false |
| ) |
| val startOffset2 = 0 |
| val endOffset2 = 30 |
| val selectable2: Selectable = mock() |
| val startAnchor2 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset2, |
| selectable = selectable2 |
| ) |
| val endAnchor2 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset2, |
| selectable = selectable2 |
| ) |
| val selection2 = Selection( |
| start = startAnchor2, |
| end = endAnchor2, |
| handlesCrossed = false |
| ) |
| |
| val selection = selection1.merge(selection2) |
| |
| assertThat(selection.start.offset).isEqualTo(startOffset1) |
| assertThat(selection.end.offset).isEqualTo(endOffset2) |
| assertThat(selection.start.selectable).isEqualTo(selectable1) |
| assertThat(selection.end.selectable).isEqualTo(selectable2) |
| assertThat(selection.handlesCrossed).isFalse() |
| } |
| |
| @Test |
| fun selection_merge_handles_cross() { |
| val startOffset1 = 20 |
| val endOffset1 = 9 |
| val selectable1: Selectable = mock() |
| val startAnchor1 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset1, |
| selectable = selectable1 |
| ) |
| val endAnchor1 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset1, |
| selectable = selectable1 |
| ) |
| val selection1 = Selection( |
| start = startAnchor1, |
| end = endAnchor1, |
| handlesCrossed = true |
| ) |
| val startOffset2 = 30 |
| val endOffset2 = 0 |
| val selectable2: Selectable = mock() |
| val startAnchor2 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset2, |
| selectable = selectable2 |
| ) |
| val endAnchor2 = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset2, |
| selectable = selectable2 |
| ) |
| val selection2 = Selection( |
| start = startAnchor2, |
| end = endAnchor2, |
| handlesCrossed = true |
| ) |
| |
| val selection = selection1.merge(selection2) |
| |
| assertThat(selection.start.offset).isEqualTo(startOffset2) |
| assertThat(selection.end.offset).isEqualTo(endOffset1) |
| assertThat(selection.start.selectable).isEqualTo(selectable2) |
| assertThat(selection.end.selectable).isEqualTo(selectable1) |
| assertThat(selection.handlesCrossed).isTrue() |
| } |
| |
| @Test |
| fun selection_toTextRange_handles_not_cross() { |
| val startOffset = 0 |
| val endOffset = 6 |
| val startAnchor = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset, |
| selectable = mock() |
| ) |
| val endAnchor = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset, |
| selectable = mock() |
| ) |
| val selection = Selection( |
| start = startAnchor, |
| end = endAnchor, |
| handlesCrossed = false |
| ) |
| |
| val textRange = selection.toTextRange() |
| |
| assertThat(textRange).isEqualTo(TextRange(startOffset, endOffset)) |
| } |
| |
| @Test |
| fun selection_toTextRange_handles_cross() { |
| val startOffset = 6 |
| val endOffset = 0 |
| val startAnchor = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = startOffset, |
| selectable = mock() |
| ) |
| val endAnchor = Selection.AnchorInfo( |
| direction = ResolvedTextDirection.Ltr, |
| offset = endOffset, |
| selectable = mock() |
| ) |
| val selection = Selection( |
| start = startAnchor, |
| end = endAnchor, |
| handlesCrossed = false |
| ) |
| |
| val textRange = selection.toTextRange() |
| |
| assertThat(textRange).isEqualTo(TextRange(startOffset, endOffset)) |
| } |
| } |