Rgba string

2 files changed, 25 insertions, 17 deletions

diff --git a/library/src/test/java/ca/allanwang/kprefs/library/ExampleUnitTest.java b/library/src/test/java/ca/allanwang/kprefs/library/ExampleUnitTest.java
deleted file mode 100644
index 12e478b..0000000
--- a/library/src/test/java/ca/allanwang/kprefs/library/ExampleUnitTest.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package ca.allanwang.kprefs.library;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file
diff --git a/library/src/test/kotlin/ca/allanwang/kprefs/library/UtilsTest.kt b/library/src/test/kotlin/ca/allanwang/kprefs/library/UtilsTest.kt
new file mode 100644
index 0000000..c2c96e4
--- /dev/null
+++ b/library/src/test/kotlin/ca/allanwang/kprefs/library/UtilsTest.kt
@@ -0,0 +1,25 @@
+package ca.allanwang.kprefs.library
+
+import android.graphics.Color
+import ca.allanwang.kau.utils.round
+import ca.allanwang.kau.utils.toHexString
+import org.junit.Test
+import kotlin.test.assertEquals
+
+/**
+ * Created by Allan Wang on 2017-06-23.
+ */
+class UtilsTest {
+
+    @Test
+    fun colorToHex() {
+        assertEquals("#ffffff", Color.WHITE.toHexString(withAlpha = false, withHexPrefix = true).toLowerCase())
+    }
+
+    @Test
+    fun rounding() {
+        assertEquals("1.23", 1.23456f.round(2))
+        assertEquals("22.466", 22.465920439.round(3))
+        assertEquals("22", 22f.round(3))
+    }
+}
\ No newline at end of file