| /* |
| * 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.compose.ui.text |
| |
| import androidx.ui.core.Constraints |
| import androidx.ui.core.LayoutDirection |
| import androidx.compose.ui.text.font.Font |
| import androidx.compose.ui.text.style.TextOverflow |
| import androidx.ui.unit.Density |
| import androidx.ui.unit.IntSize |
| import androidx.ui.unit.em |
| import com.google.common.truth.Truth.assertThat |
| import com.nhaarman.mockitokotlin2.mock |
| import org.junit.Before |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @RunWith(JUnit4::class) |
| class TextLayoutHelperTest { |
| |
| lateinit var resourceLoader: Font.ResourceLoader |
| |
| lateinit var referenceResult: TextLayoutResult |
| |
| @Before |
| fun setUp() { |
| resourceLoader = mock() |
| |
| referenceResult = TextLayoutResult( |
| TextLayoutInput( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| placeholders = listOf(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = Constraints.fixedWidth(100) |
| ), |
| multiParagraph = mock(), |
| size = IntSize(50, 50) |
| ) |
| } |
| |
| @Test |
| fun testCanResue_same() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isTrue() |
| } |
| |
| @Test |
| fun testCanResue_different_text() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, Android").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_style() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(fontSize = 1.5.em), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_maxLines() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 2, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_softWrap() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = false, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_overflow() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Clip, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_density() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(2.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_layoutDirection() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Rtl, |
| resourceLoader = resourceLoader, |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_resourceLoader() { |
| val constraints = Constraints.fixedWidth(100) |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = mock(), |
| constraints = constraints |
| )).isFalse() |
| } |
| |
| @Test |
| fun testCanResue_different_constraints() { |
| assertThat(referenceResult.canReuse( |
| text = AnnotatedString.Builder("Hello, World").toAnnotatedString(), |
| style = TextStyle(), |
| maxLines = 1, |
| softWrap = true, |
| overflow = TextOverflow.Ellipsis, |
| density = Density(1.0f), |
| layoutDirection = LayoutDirection.Ltr, |
| resourceLoader = resourceLoader, |
| constraints = Constraints.fixedWidth(200) |
| )).isFalse() |
| } |
| } |