From 0fe566b7057d8bdb38f53790d96d4810c32e00e8 Mon Sep 17 00:00:00 2001
From: UdaySravanK <>
Date: Sat, 18 May 2024 21:51:58 -0400
Subject: [PATCH] Added more test cases

---
 .../jcnumberpicker/ItemPickerHelperTest.kt    | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)

diff --git a/JCNumberPicker/src/test/java/com/usk/jcnumberpicker/ItemPickerHelperTest.kt b/JCNumberPicker/src/test/java/com/usk/jcnumberpicker/ItemPickerHelperTest.kt
index a6f8992..21934db 100644
--- a/JCNumberPicker/src/test/java/com/usk/jcnumberpicker/ItemPickerHelperTest.kt
+++ b/JCNumberPicker/src/test/java/com/usk/jcnumberpicker/ItemPickerHelperTest.kt
@@ -28,4 +28,110 @@ class ItemPickerHelperTest {
         // Verify
         assertEquals(testList.first(), result)
     }
+    
+    @Test
+    fun `Case 2 - get second item from the list as selected item`() {
+        // Execute
+        val result = determineTheSelectedItem(
+            offset = 0,
+            position = 1,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[1], result)
+    }
+
+    @Test
+    fun `Case 2 - get last but one item from the list as selected item`() {
+        // Execute
+        val positionOfLastButOne = testList.size - 2 // position 1
+        val result = determineTheSelectedItem(
+            offset = 0,
+            position = positionOfLastButOne,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[positionOfLastButOne], result)
+    }
+
+    @Test
+    fun `Case 3 - get the last item from list as selected item`() {
+        // Execute
+        val positionOfLastItem = testList.size - 1 // position 2
+        val result = determineTheSelectedItem(
+            offset = 0,
+            position = positionOfLastItem,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[positionOfLastItem], result)
+    }
+
+    @Test
+    fun `Case 4 - get the second item from list as selected item if position is 0 but offset is grater than 0`() {
+        // Execute
+        val result = determineTheSelectedItem(
+            offset = 1,
+            position = 0,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[1], result)
+    }
+
+    @Test
+    fun `Case 5 - get the last item from list as selected item if position is 1 but offset is grater than 0`() {
+        // Execute
+        val result = determineTheSelectedItem(
+            offset = 1,
+            position = 1,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[2], result)
+    }
+
+    @Test
+    fun `Case 6 - get the last item from list as selected item if position is 2 but offset is grater than 0`() {
+        // Execute
+        val result = determineTheSelectedItem(
+            offset = 1,
+            position = 2,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[2], result)
+    }
+
+    @Test
+    fun `offset can be greater than 1`() {
+        // Execute
+        val result = determineTheSelectedItem(
+            offset = 5,
+            position = 0,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[1], result)
+    }
+
+    @Test
+    fun `return the last item for invalid offset and position combination`() {
+        // Execute
+        val result = determineTheSelectedItem(
+            offset = 5,
+            position = 2,
+            items = testList
+        )
+
+        // Verify
+        assertEquals(testList[2], result)
+    }
 }
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