diff core/tests/Drupal/Tests/Component/Utility/NumberTest.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/tests/Drupal/Tests/Component/Utility/NumberTest.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,158 @@
+<?php
+
+namespace Drupal\Tests\Component\Utility;
+
+use Drupal\Component\Utility\Number;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Tests number manipulation utilities.
+ *
+ * @group Utility
+ *
+ * @coversDefaultClass \Drupal\Component\Utility\Number
+ *
+ * @see \Drupal\Component\Utility\Number
+ */
+class NumberTest extends TestCase {
+
+  /**
+   * Tests Number::validStep() without offset.
+   *
+   * @dataProvider providerTestValidStep
+   * @covers ::validStep
+   *
+   * @param numeric $value
+   *   The value argument for Number::validStep().
+   * @param numeric $step
+   *   The step argument for Number::validStep().
+   * @param bool $expected
+   *   Expected return value from Number::validStep().
+   */
+  public function testValidStep($value, $step, $expected) {
+    $return = Number::validStep($value, $step);
+    $this->assertEquals($expected, $return);
+  }
+
+  /**
+   * Tests Number::validStep() with offset.
+   *
+   * @dataProvider providerTestValidStepOffset
+   * @covers ::validStep
+   *
+   * @param numeric $value
+   *   The value argument for Number::validStep().
+   * @param numeric $step
+   *   The step argument for Number::validStep().
+   * @param numeric $offset
+   *   The offset argument for Number::validStep().
+   * @param bool $expected
+   *   Expected return value from Number::validStep().
+   */
+  public function testValidStepOffset($value, $step, $offset, $expected) {
+    $return = Number::validStep($value, $step, $offset);
+    $this->assertEquals($expected, $return);
+  }
+
+  /**
+   * Provides data for self::testNumberStep().
+   *
+   * @see \Drupal\Tests\Component\Utility\Number::testValidStep
+   */
+  public static function providerTestValidStep() {
+    return [
+      // Value and step equal.
+      [10.3, 10.3, TRUE],
+
+      // Valid integer steps.
+      [42, 21, TRUE],
+      [42, 3, TRUE],
+
+      // Valid float steps.
+      [42, 10.5, TRUE],
+      [1, 1 / 3, TRUE],
+      [-100, 100 / 7, TRUE],
+      [1000, -10, TRUE],
+
+      // Valid and very small float steps.
+      [1000.12345, 1e-10, TRUE],
+      [3.9999999999999, 1e-13, TRUE],
+
+      // Invalid integer steps.
+      [100, 30, FALSE],
+      [-10, 4, FALSE],
+
+      // Invalid float steps.
+      [6, 5 / 7, FALSE],
+      [10.3, 10.25, FALSE],
+
+      // Step mismatches very close to being valid.
+      [70 + 9e-7, 10 + 9e-7, FALSE],
+      [1936.5, 3e-8, FALSE],
+    ];
+  }
+
+  /**
+   * Data provider for \Drupal\Test\Component\Utility\NumberTest::testValidStepOffset().
+   *
+   * @see \Drupal\Test\Component\Utility\NumberTest::testValidStepOffset()
+   */
+  public static function providerTestValidStepOffset() {
+    return [
+      // Try obvious fits.
+      [11.3, 10.3, 1, TRUE],
+      [100, 10, 50, TRUE],
+      [-100, 90 / 7, -10, TRUE],
+      [2 / 7 + 5 / 9, 1 / 7, 5 / 9, TRUE],
+
+      // Ensure a small offset is still invalid.
+      [10.3, 10.3, 0.0001, FALSE],
+      [1 / 5, 1 / 7, 1 / 11, FALSE],
+
+      // Try negative values and offsets.
+      [1000, 10, -5, FALSE],
+      [-10, 4, 0, FALSE],
+      [-10, 4, -4, FALSE],
+    ];
+  }
+
+  /**
+   * Tests the alphadecimal conversion functions.
+   *
+   * @dataProvider providerTestConversions
+   * @covers ::intToAlphadecimal
+   * @covers ::alphadecimalToInt
+   *
+   * @param int $value
+   *   The integer value.
+   * @param string $expected
+   *   The expected alphadecimal value.
+   */
+  public function testConversions($value, $expected) {
+    $this->assertSame(Number::intToAlphadecimal($value), $expected);
+    $this->assertSame($value, Number::alphadecimalToInt($expected));
+  }
+
+  /**
+   * Data provider for testConversions().
+   *
+   * @see testConversions()
+   *
+   * @return array
+   *   An array containing:
+   *     - The integer value.
+   *     - The alphadecimal value.
+   */
+  public function providerTestConversions() {
+    return [
+      [0, '00'],
+      [1, '01'],
+      [10, '0a'],
+      [20, '0k'],
+      [35, '0z'],
+      [36, '110'],
+      [100, '12s'],
+    ];
+  }
+
+}