@@ -0,0 +1,991 @@
+package com.github.ksoichiro.android.observablescrollview;%0A%0Aimport android.graphics.Color;%0Aimport android.test.InstrumentationTestCase;%0A%0Aimport com.github.ksoichiro.android.observablescrollview.ScrollUtils;%0A%0Aimport junit.framework.Assert;%0A%0Apublic class ScrollUtilsTest extends InstrumentationTestCase %7B%0A%0A    public void testGetFloat() %7B%0A        Assert.assertEquals(1.0f, ScrollUtils.getFloat(1, 0, 2));%0A        assertEquals(0.0f, ScrollUtils.getFloat(-1, 0, 2));%0A        assertEquals(2.0f, ScrollUtils.getFloat(3, 0, 2));%0A    %7D%0A%0A    public void testGetColorWithAlpha() %7B%0A        assertEquals(Color.parseColor(%22#00123456%22), ScrollUtils.getColorWithAlpha(0, Color.parseColor(%22#FF123456%22)));%0A        assertEquals(Color.parseColor(%22#FF123456%22), ScrollUtils.getColorWithAlpha(1, Color.parseColor(%22#FF123456%22)));%0A    %7D%0A%0A    public void testMixColors() %7B%0A        assertEquals(Color.parseColor(%22#000000%22), ScrollUtils.mixColors(Color.parseColor(%22#000000%22), Color.parseColor(%22#FFFFFF%22), 0));%0A    %7D%0A%7D%0A

Add small tests.