[9.x] Improve test For Split method In Collection (#43408)

Author: moharami

tests/Support/SupportCollectionTest.php

@@ -4606,6 +4606,11 @@ public function testCollectionFromBackedEnum($collection)
     public function testSplitCollectionWithADivisableCount($collection)
     {
         $data = new $collection(['a', 'b', 'c', 'd']);
+        $split = $data->split(2);
+
+        $this->assertSame(['a', 'b'], $split->get(0)->all());
+        $this->assertSame(['c', 'd'], $split->get(1)->all());
+        $this->assertInstanceOf($collection, $split);
 
         $this->assertEquals(
             [['a', 'b'], ['c', 'd']],
@@ -4615,6 +4620,10 @@ public function testSplitCollectionWithADivisableCount($collection)
         );
 
         $data = new $collection([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
+        $split = $data->split(2);
+
+        $this->assertSame([1, 2, 3, 4, 5], $split->get(0)->all());
+        $this->assertSame([6, 7, 8, 9, 10], $split->get(1)->all());
 
         $this->assertEquals(
             [[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]],
@@ -4630,6 +4639,10 @@ public function testSplitCollectionWithADivisableCount($collection)
     public function testSplitCollectionWithAnUndivisableCount($collection)
     {
         $data = new $collection(['a', 'b', 'c']);
+        $split = $data->split(2);
+
+        $this->assertSame(['a', 'b'], $split->get(0)->all());
+        $this->assertSame(['c'], $split->get(1)->all());
 
         $this->assertEquals(
             [['a', 'b'], ['c']],
@@ -4645,6 +4658,10 @@ public function testSplitCollectionWithAnUndivisableCount($collection)
     public function testSplitCollectionWithCountLessThenDivisor($collection)
     {
         $data = new $collection(['a']);
+        $split = $data->split(2);
+
+        $this->assertSame(['a'], $split->get(0)->all());
+        $this->assertNull($split->get(1));
 
         $this->assertEquals(
             [['a']],
@@ -4660,6 +4677,11 @@ public function testSplitCollectionWithCountLessThenDivisor($collection)
     public function testSplitCollectionIntoThreeWithCountOfFour($collection)
     {
         $data = new $collection(['a', 'b', 'c', 'd']);
+        $split = $data->split(3);
+
+        $this->assertSame(['a', 'b'], $split->get(0)->all());
+        $this->assertSame(['c'], $split->get(1)->all());
+        $this->assertSame(['d'], $split->get(2)->all());
 
         $this->assertEquals(
             [['a', 'b'], ['c'], ['d']],
@@ -4675,6 +4697,11 @@ public function testSplitCollectionIntoThreeWithCountOfFour($collection)
     public function testSplitCollectionIntoThreeWithCountOfFive($collection)
     {
         $data = new $collection(['a', 'b', 'c', 'd', 'e']);
+        $split = $data->split(3);
+
+        $this->assertSame(['a', 'b'], $split->get(0)->all());
+        $this->assertSame(['c', 'd'], $split->get(1)->all());
+        $this->assertSame(['e'], $split->get(2)->all());
 
         $this->assertEquals(
             [['a', 'b'], ['c', 'd'], ['e']],
@@ -4690,6 +4717,14 @@ public function testSplitCollectionIntoThreeWithCountOfFive($collection)
     public function testSplitCollectionIntoSixWithCountOfTen($collection)
     {
         $data = new $collection(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']);
+        $split = $data->split(6);
+
+        $this->assertSame(['a', 'b'], $split->get(0)->all());
+        $this->assertSame(['c', 'd'], $split->get(1)->all());
+        $this->assertSame(['e', 'f'], $split->get(2)->all());
+        $this->assertSame(['g', 'h'], $split->get(3)->all());
+        $this->assertSame(['i'], $split->get(4)->all());
+        $this->assertSame(['j'], $split->get(5)->all());
 
         $this->assertEquals(
             [['a', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i'], ['j']],
@@ -4705,6 +4740,10 @@ public function testSplitCollectionIntoSixWithCountOfTen($collection)
     public function testSplitEmptyCollection($collection)
     {
         $data = new $collection;
+        $split = $data->split(2);
+
+        $this->assertNull($split->get(0));
+        $this->assertNull($split->get(1));
 
         $this->assertEquals(
             [],