| /* |
| * 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.input |
| |
| import androidx.test.filters.SmallTest |
| import androidx.compose.ui.text.TextRange |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class TextFieldValueTest { |
| |
| @Test(expected = IllegalArgumentException::class) |
| fun throws_exception_for_negative_selection() { |
| TextFieldValue(text = "", selection = TextRange(-1)) |
| } |
| |
| @Test(expected = IllegalArgumentException::class) |
| fun throws_exception_for_outofbounds_selection() { |
| TextFieldValue(text = "a", selection = TextRange("a".length + 1)) |
| } |
| |
| @Test |
| fun accepts_selection_end_equal_to_text_length() { |
| val text = "a" |
| val textRange = TextRange(text.length) |
| val textFieldValue = TextFieldValue(text = text, selection = textRange) |
| |
| assertThat(textFieldValue.text).isEqualTo(text) |
| assertThat(textFieldValue.selection).isEqualTo(textRange) |
| } |
| |
| @Test(expected = IllegalArgumentException::class) |
| fun throws_exception_for_negative_composition() { |
| TextFieldValue(text = "", composition = TextRange(-1)) |
| } |
| |
| @Test(expected = IllegalArgumentException::class) |
| fun throws_exception_for_outofbounds_composition() { |
| TextFieldValue(text = "a", composition = TextRange("a".length + 1)) |
| } |
| |
| @Test |
| fun accepts_composition_end_equal_to_text_length() { |
| val text = "a" |
| val textRange = TextRange(text.length) |
| |
| val textFieldValue = TextFieldValue(text = text, composition = textRange) |
| |
| assertThat(textFieldValue.text).isEqualTo(text) |
| assertThat(textFieldValue.composition).isEqualTo(textRange) |
| } |
| } |