first commit

vendor/topthink/think-helper/tests/CollectionTest.php

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+<?php
+
+namespace Tests;
+
+use think\Collection;
+
+class CollectionTest extends TestCase
+{
+    public function testMerge()
+    {
+        $c = new Collection(['name' => 'Hello']);
+        $this->assertSame(['name' => 'Hello', 'id' => 1], $c->merge(['id' => 1])->all());
+    }
+
+    public function testFirst()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $this->assertSame('Hello', $c->first());
+    }
+
+    public function testLast()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $this->assertSame(25, $c->last());
+    }
+
+    public function testToArray()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $this->assertSame(['name' => 'Hello', 'age' => 25], $c->toArray());
+    }
+
+    public function testToJson()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $this->assertSame(json_encode(['name' => 'Hello', 'age' => 25]), $c->toJson());
+        $this->assertSame(json_encode(['name' => 'Hello', 'age' => 25]), (string) $c);
+        $this->assertSame(json_encode(['name' => 'Hello', 'age' => 25]), json_encode($c));
+    }
+
+    public function testSerialize()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $sc = serialize($c);
+        $c = unserialize($sc);
+
+        $this->assertSame(['name' => 'Hello', 'age' => 25], $c->all());
+    }
+
+    public function testGetIterator()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $this->assertInstanceOf(\ArrayIterator::class, $c->getIterator());
+
+        $this->assertSame(['name' => 'Hello', 'age' => 25], $c->getIterator()->getArrayCopy());
+    }
+
+    public function testCount()
+    {
+        $c = new Collection(['name' => 'Hello', 'age' => 25]);
+
+        $this->assertCount(2, $c);
+    }
+}