Pressroom template verwijderd, website naar root van repo

2020-03-22 15:30:52 +01:00
parent 2cb6a77425
commit f3d1c41e91
7620 changed files with 0 additions and 186900 deletions
--- a/vendor/fzaninotto/faker/test/Faker/Provider/BiasedTest.php
+++ b/vendor/fzaninotto/faker/test/Faker/Provider/BiasedTest.php
@@ -0,0 +1,73 @@
+<?php
+namespace Faker\Test\Provider;
+
+use Faker\Provider\Biased;
+use Faker\Generator;
+
+class BiasedTest extends \PHPUnit_Framework_TestCase
+{
+    const MAX = 10;
+    const NUMBERS = 25000;
+    protected $generator;
+    protected $results = array();
+    
+    protected function setUp()
+    {
+        $this->generator = new Generator();
+        $this->generator->addProvider(new Biased($this->generator));
+
+        $this->results = array_fill(1, self::MAX, 0);
+    }
+    
+    public function performFake($function)
+    {
+        for($i = 0; $i < self::NUMBERS; $i++) {
+            $this->results[$this->generator->biasedNumberBetween(1, self::MAX, $function)]++;
+        }
+    }
+    
+    public function testUnbiased()
+    {
+        $this->performFake(array('\Faker\Provider\Biased', 'unbiased'));
+
+        // assert that all numbers are near the expected unbiased value
+        foreach ($this->results as $number => $amount) {
+            // integral
+            $assumed = (1 / self::MAX * $number) - (1 / self::MAX * ($number - 1));
+            // calculate the fraction of the whole area
+            $assumed /= 1;
+            $this->assertGreaterThan(self::NUMBERS * $assumed * .95, $amount, "Value was more than 5 percent under the expected value");
+            $this->assertLessThan(self::NUMBERS * $assumed * 1.05, $amount, "Value was more than 5 percent over the expected value");
+        }
+    }
+    
+    public function testLinearHigh()
+    {
+        $this->performFake(array('\Faker\Provider\Biased', 'linearHigh'));
+
+        foreach ($this->results as $number => $amount) {
+            // integral
+            $assumed = 0.5 * pow(1 / self::MAX * $number, 2) - 0.5 * pow(1 / self::MAX * ($number - 1), 2);
+            // calculate the fraction of the whole area
+            $assumed /= pow(1, 2) * .5;
+            $this->assertGreaterThan(self::NUMBERS * $assumed * .9, $amount, "Value was more than 10 percent under the expected value");
+            $this->assertLessThan(self::NUMBERS * $assumed * 1.1, $amount, "Value was more than 10 percent over the expected value");
+        }
+    }
+    
+    public function testLinearLow()
+    {
+        $this->performFake(array('\Faker\Provider\Biased', 'linearLow'));
+
+        foreach ($this->results as $number => $amount) {
+            // integral
+            $assumed = -0.5 * pow(1 / self::MAX * $number, 2) - -0.5 * pow(1 / self::MAX * ($number - 1), 2);
+            // shift the graph up
+            $assumed += 1 / self::MAX;
+            // calculate the fraction of the whole area
+            $assumed /= pow(1, 2) * .5;
+            $this->assertGreaterThan(self::NUMBERS * $assumed * .9, $amount, "Value was more than 10 percent under the expected value");
+            $this->assertLessThan(self::NUMBERS * $assumed * 1.1, $amount, "Value was more than 10 percent over the expected value");
+        }
+    }
+}