| /* |
| * Copyright 2020 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.test.filters.SmallTest |
| import androidx.test.platform.app.InstrumentationRegistry |
| import androidx.compose.ui.text.intl.LocaleList |
| import androidx.compose.ui.text.style.ResolvedTextDirection |
| import androidx.ui.unit.Density |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.After |
| import org.junit.Before |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import java.util.Locale |
| |
| @RunWith(JUnit4::class) |
| @SmallTest |
| class ParagraphIntegrationTextDirectionTest { |
| |
| private lateinit var defaultLocale: Locale |
| private val context = InstrumentationRegistry.getInstrumentation().context |
| private val defaultDensity = Density(density = 1f) |
| private val resourceLoader = TestFontResourceLoader(context) |
| private val ltrLocaleList = LocaleList("en") |
| private val rtlLocaleList = LocaleList("ar") |
| private val rtlLocale = Locale("ar") |
| private val ltrLocale = Locale.ENGLISH |
| |
| @Before |
| fun before() { |
| defaultLocale = Locale.getDefault() |
| } |
| |
| @After |
| fun after() { |
| Locale.setDefault(defaultLocale) |
| } |
| |
| @Test |
| fun nullTextDirection_withLtrLocale_resolvesToLtr() { |
| Locale.setDefault(ltrLocale) |
| |
| val paragraph = Paragraph( |
| text = "", |
| style = TextStyle(textDirection = null), |
| constraints = ParagraphConstraints(Float.MAX_VALUE), |
| density = defaultDensity, |
| resourceLoader = resourceLoader |
| ) |
| |
| assertThat(paragraph.getParagraphDirection(0)).isEqualTo(ResolvedTextDirection.Ltr) |
| } |
| |
| @Test |
| fun nullTextDirection_withRtlLocale_resolvesToRtl() { |
| Locale.setDefault(rtlLocale) |
| |
| val paragraph = Paragraph( |
| text = "", |
| style = TextStyle(textDirection = null), |
| constraints = ParagraphConstraints(Float.MAX_VALUE), |
| density = defaultDensity, |
| resourceLoader = resourceLoader |
| ) |
| |
| assertThat(paragraph.getParagraphDirection(0)).isEqualTo(ResolvedTextDirection.Rtl) |
| } |
| |
| @Test |
| fun nullTextDirection_withLtrLocaleList_resolvesToLtr() { |
| val paragraph = Paragraph( |
| text = "", |
| style = TextStyle(textDirection = null, localeList = ltrLocaleList), |
| constraints = ParagraphConstraints(Float.MAX_VALUE), |
| density = defaultDensity, |
| resourceLoader = resourceLoader |
| ) |
| |
| assertThat(paragraph.getParagraphDirection(0)).isEqualTo(ResolvedTextDirection.Ltr) |
| } |
| |
| @Test |
| fun nullTextDirection_withRtlLocaleList_resolvesToRtl() { |
| val paragraph = Paragraph( |
| text = "", |
| style = TextStyle(textDirection = null, localeList = rtlLocaleList), |
| constraints = ParagraphConstraints(Float.MAX_VALUE), |
| density = defaultDensity, |
| resourceLoader = resourceLoader |
| ) |
| |
| assertThat(paragraph.getParagraphDirection(0)).isEqualTo(ResolvedTextDirection.Rtl) |
| } |
| } |