1 files changed, 57 insertions, 0 deletions
diff --git a/app/src/test/kotlin/com/pitchedapps/frost/prefs/PrefsTest.kt b/app/src/test/kotlin/com/pitchedapps/frost/prefs/PrefsTest.kt
new file mode 100644
index 00000000..28c0c899
--- /dev/null
+++ b/app/src/test/kotlin/com/pitchedapps/frost/prefs/PrefsTest.kt
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.pitchedapps.frost.prefs
+
+import kotlin.test.assertEquals
+import org.junit.Before
+import org.junit.Test
+
+/**
+ * Created by Allan Wang on 2017-05-31.
+ */
+class PrefsTest {
+
+    // Replicate logic
+    var test: Long = -1L
+        get() {
+            if (field == -1L) field = file
+            return field
+        }
+        set(value) {
+            field = value
+            if (value != -1L) file = value
+        }
+
+    var file: Long = -1L
+
+    @Before
+    fun verify() {
+        test = -1L
+        file = -1L
+    }
+
+    @Test
+    fun laziness() {
+        assertEquals(-1L, test)
+        file = 2L
+        assertEquals(2L, test)
+        file = -3L
+        assertEquals(2L, test)
+        test = 3L
+        assertEquals(3L, file)
+    }
+}