commonTest.com.soywiz.korev.ScrollDeltaTest.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of korgw Show documentation

Portable UI with accelerated graphics support for Kotlin

There is a newer version: 4.0.10

package com.soywiz.korev

import kotlin.test.Test
import kotlin.test.assertEquals

class ScrollDeltaTest {
    @Test
    fun test() {
        MouseEvent().apply {
            scrollDeltaMode = MouseEvent.ScrollDeltaMode.LINE
            scrollDeltaY = 10.0
            assertEquals(100.0, scrollDeltaYPixels)
            assertEquals(10.0, scrollDeltaYLines)
            assertEquals(1.0, scrollDeltaYPages)
        }
        MouseEvent().apply {
            scrollDeltaMode = MouseEvent.ScrollDeltaMode.PIXEL
            scrollDeltaY = 100.0
            assertEquals(100.0, scrollDeltaYPixels)
            assertEquals(10.0, scrollDeltaYLines)
            assertEquals(1.0, scrollDeltaYPages)
        }
        MouseEvent().apply {
            scrollDeltaMode = MouseEvent.ScrollDeltaMode.PAGE
            scrollDeltaY = 1.0
            assertEquals(100.0, scrollDeltaYPixels)
            assertEquals(10.0, scrollDeltaYLines)
            assertEquals(1.0, scrollDeltaYPages)
        }
    }
}