From 72447a6fe2aa50e02d46bfeee0a8451b47721d5b Mon Sep 17 00:00:00 2001
From: Oleksii Dykov <dykovoleksii@gmail.com>
Date: Sun, 6 Jun 2021 17:48:28 +0300
Subject: [PATCH] Add testcases

---
 .../github/dgroup/enumerable4j/ZipTest.java   | 49 ++++++++++++++++++-
 1 file changed, 47 insertions(+), 2 deletions(-)

diff --git a/src/test/java/io/github/dgroup/enumerable4j/ZipTest.java b/src/test/java/io/github/dgroup/enumerable4j/ZipTest.java
index c201893..16bd3ee 100644
--- a/src/test/java/io/github/dgroup/enumerable4j/ZipTest.java
+++ b/src/test/java/io/github/dgroup/enumerable4j/ZipTest.java
@@ -98,7 +98,7 @@ void nullInResult() {
     }
 
     @Test
-    void nullInArgs() {
+    void nullFirstArg() {
         new Assertion<>(
             "A lack of elements is replaced with null",
             new Linked<>(1, 2, 3).zip(null, new Linked<>(8)),
@@ -113,7 +113,7 @@ void nullInArgs() {
     }
 
     @Test
-    void nullInArgCollection() {
+    void nullInFirstArg() {
         new Assertion<>(
             "A lack of elements is replaced with null",
             new Linked<>(1, 2, 3).zip(new Linked<>(null, null), new Linked<>(8)),
@@ -126,4 +126,49 @@ void nullInArgCollection() {
             )
         ).affirm();
     }
+
+    @Test
+    void nullOtherArgs() {
+        new Assertion<>(
+            "A lack of elements is replaced with null",
+            new Linked<>(1, 2, 3).zip(new Linked<>(4, 5), null),
+            new HasEqualValues<>(
+                new Linked<Enumerable<Integer>>(
+                    new Linked<>(1, 4, null),
+                    new Linked<>(2, 5, null),
+                    new Linked<>(3, null, null)
+                )
+            )
+        ).affirm();
+    }
+
+    @Test
+    void nullInOtherArgs() {
+        new Assertion<>(
+            "A lack of elements is replaced with null",
+            new Linked<>(1, 2, 3).zip(new Linked<>(4, 5), new Linked<>(null, null)),
+            new HasEqualValues<>(
+                new Linked<Enumerable<Integer>>(
+                    new Linked<>(1, 4, null),
+                    new Linked<>(2, 5, null),
+                    new Linked<>(3, null, null)
+                )
+            )
+        ).affirm();
+    }
+
+    @Test
+    void nullInArgs() {
+        new Assertion<>(
+            "A lack of elements is replaced with null",
+            new Linked<>(1, 2, 3).zip(null, new Linked<>(null, 5), null),
+            new HasEqualValues<>(
+                new Linked<Enumerable<Integer>>(
+                    new Linked<>(1, null, null, null),
+                    new Linked<>(2, null, 5, null),
+                    new Linked<>(3, null, null, null)
+                )
+            )
+        ).affirm();
+    }
 }