ExceptionTest.kt

import androidx.compose.material.Button
import androidx.compose.material.Text
import androidx.compose.ui.test.junit4.createComposeRule
import androidx.compose.ui.test.onNodeWithText
import androidx.compose.ui.test.performClick
import org.junit.Assert
import org.junit.Before
import org.junit.Rule
import org.junit.Test

class ExceptionTest {
    @get:Rule
    val composeRule = createComposeRule()

    companion object {
        private const val ACTION_THROW_ERROR = "THROW ERROR"
    }

    @Before
    fun beforeAll() {
        composeRule.setContent {
            Button(onClick = { throw IllegalArgumentException() }) {
                Text(text = ACTION_THROW_ERROR)
            }
        }
    }

    @Test(expected = IllegalArgumentException::class)
    fun throwsError_1() {
        composeRule.onNodeWithText(ACTION_THROW_ERROR).performClick()
    }

    @Test
    fun throwsError_2() {
        try {
            composeRule.onNodeWithText(ACTION_THROW_ERROR).performClick()
            assert(false)
        } catch (e: IllegalArgumentException) {
            assert(true)
        }
    }

    @Test
    fun throwsError_3() {
        Assert.assertThrows(IllegalArgumentException::class.java) {
            composeRule.onNodeWithText(ACTION_THROW_ERROR).performClick()
        }
    }
}