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/*
* 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)
}
}