WiFiWeatherStation/app/src/test/java/de/weseng/wifiweatherstation/MainNativeActivityTest.java

package de.weseng.wifiweatherstation;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class MainNativeActivityTest {

    @Test
    public void valueToColorRGB_below() {
        assertEquals(0x719dc3, new MainNativeActivity().valueToColorRGB(
                10, 17, 19, 23, 25,
                0x719dc3, 0xff00ff00, 0xffd1655d));
    }

    @Test
    public void valueToColorRGB_ideal() {
        assertEquals(0xff00ff00, new MainNativeActivity().valueToColorRGB(
                20, 17, 19, 23, 25,
                0x719DC3, 0xff00ff00, 0xffd1655d));
    }

    @Test
    public void valueToColorRGB_above() {
        assertEquals(0xffd1655d, new MainNativeActivity().valueToColorRGB(
                30, 17, 19, 23, 25,
                0x719DC3, 0xff00ff00, 0xffd1655d));
    }

    @Test
    public void interpolate_0_255_0() {
        assertEquals(0, new MainNativeActivity().interpolate(
                0, 255, 0, 100));
    }

    @Test
    public void interpolate_0_255_50() {
        assertEquals(127, new MainNativeActivity().interpolate(
                0, 255, 50, 100));
    }

    @Test
    public void interpolate_0_255_100() {
        assertEquals(255, new MainNativeActivity().interpolate(
                0, 255, 100, 100));
    }

    @Test
    public void interpolateColor_00ff00_ff0000_0() {
        MainNativeActivity a = new MainNativeActivity();
        assertEquals(0xFFFFFF & 0xff00ff00,
                a.interpolateColor(0xff00ff00, 0xffff0000, 0, 100));
    }

    @Test
    public void interpolateColor_00ff00_ff0000_50() {
        MainNativeActivity a = new MainNativeActivity();
        assertEquals(0xFFFFFF & 0xff7f7f00,
                a.interpolateColor(0xff00ff00, 0xffff0000, 50, 100));
    }

    @Test
    public void interpolateColor_00ff00_ff0000_100() {
        MainNativeActivity a = new MainNativeActivity();
        assertEquals(0xFFFFFF & 0xffff0000,
                a.interpolateColor(0xff00ff00, 0xffff0000, 100, 100));
    }

    @Test
    public void valueToColorRGB_between_ideal_and_above() {
        MainNativeActivity a = new MainNativeActivity();
        assertEquals(a.interpolateColor(0xff00ff00, 0xffd1655d, 50, 100),
                a.valueToColorRGB(
                        24, 17, 19, 23, 25,
                        0x719DC3, 0xff00ff00, 0xffd1655d));
    }

}