EntryDouble

Author: hannesa2

chartLib/src/main/kotlin/info/appdev/charting/data/EntryDouble.kt

@@ -0,0 +1,3 @@
+package info.appdev.charting.data
+
+class EntryDouble(val xDouble: Double, y: Float) : Entry(xDouble.toFloat(), y)

chartLib/src/test/kotlin/info/appdev/charting/test/FloatTest.kt

@@ -0,0 +1,42 @@
+package info.appdev.charting.test
+
+import android.content.Context
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+
+class FloatTest {
+
+    @Mock
+    private lateinit var mockContext: Context
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.openMocks(this)
+    }
+
+    @Test
+    fun testFloatConversion() {
+        val timestamp: Long = System.currentTimeMillis()
+
+        // 2) Cast to Float and back
+        val asFloat: Float = timestamp.toFloat()
+        val roundTripFromFloat: Long = asFloat.toLong()
+
+        // 3) Cast to Double and back
+        val asDouble: Double = timestamp.toDouble()
+        val roundTripFromDouble: Long = asDouble.toLong()
+
+        println("Original timestamp:       $timestamp")
+        println("→ as Float:               $asFloat")
+        println("→ back to Long (Float):   $roundTripFromFloat")
+        println()
+        println("→ as Double:              $asDouble")
+        println("→ back to Long (Double):  $roundTripFromDouble")
+        println()
+        Assert.assertNotEquals(timestamp, roundTripFromFloat)
+        Assert.assertEquals(timestamp, roundTripFromDouble)
+    }
+}