Implement SebastianBergmann\Diff\Line::isAdded(), SebastianBergmann\Diff\Line::isRemoved(), and SebastianBergmann\Diff\Line::isUnchanged()

Author: sebastianbergmann

ChangeLog.md

@@ -9,6 +9,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 * `SebastianBergmann\Diff\Chunk::start()`, `SebastianBergmann\Diff\Chunk::startRange()`, `SebastianBergmann\Diff\Chunk::end()`, `SebastianBergmann\Diff\Chunk::endRange()`, and `SebastianBergmann\Diff\Chunk::lines()`
 * `SebastianBergmann\Diff\Diff::from()`, `SebastianBergmann\Diff\Diff::to()`, and `SebastianBergmann\Diff\Diff::chunks()`
 * `SebastianBergmann\Diff\Line::content()` and `SebastianBergmann\Diff\Diff::type()`
+* `SebastianBergmann\Diff\Line::isAdded()`,`SebastianBergmann\Diff\Line::isRemoved()`, and `SebastianBergmann\Diff\Line::isUnchanged()`
 
 ### Deprecated
 

src/Line.php

@@ -33,6 +33,21 @@ public function type(): int
         return $this->type;
     }
 
+    public function isAdded(): bool
+    {
+        return $this->type === self::ADDED;
+    }
+
+    public function isRemoved(): bool
+    {
+        return $this->type === self::REMOVED;
+    }
+
+    public function isUnchanged(): bool
+    {
+        return $this->type === self::UNCHANGED;
+    }
+
     /**
      * @deprecated
      */

tests/LineTest.php

@@ -10,32 +10,61 @@
 namespace SebastianBergmann\Diff;
 
 use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Small;
 use PHPUnit\Framework\TestCase;
 
 #[CoversClass(Line::class)]
+#[Small]
 final class LineTest extends TestCase
 {
-    private Line $line;
+    public function testCanBeOfTypeAdded(): void
+    {
+        $this->assertSame(Line::ADDED, $this->added()->type());
+        $this->assertSame(Line::ADDED, $this->added()->getType());
+
+        $this->assertTrue($this->added()->isAdded());
+        $this->assertFalse($this->added()->isRemoved());
+        $this->assertFalse($this->added()->isUnchanged());
+    }
+
+    public function testCanBeOfTypeRemoved(): void
+    {
+        $this->assertSame(Line::REMOVED, $this->removed()->type());
+        $this->assertSame(Line::REMOVED, $this->removed()->getType());
+
+        $this->assertTrue($this->removed()->isRemoved());
+        $this->assertFalse($this->removed()->isAdded());
+        $this->assertFalse($this->removed()->isUnchanged());
+    }
+
+    public function testCanBeOfTypeUnchanged(): void
+    {
+        $this->assertSame(Line::UNCHANGED, $this->unchanged()->type());
+        $this->assertSame(Line::UNCHANGED, $this->unchanged()->getType());
+
+        $this->assertTrue($this->unchanged()->isUnchanged());
+        $this->assertFalse($this->unchanged()->isAdded());
+        $this->assertFalse($this->unchanged()->isRemoved());
+    }
 
-    protected function setUp(): void
+    public function testHasContent(): void
     {
-        $this->line = new Line;
+        $this->assertSame('content', $this->added()->content());
+        $this->assertSame('content', $this->added()->getContent());
     }
 
-    public function testCanBeCreatedWithoutArguments(): void
+    private function added(): Line
     {
-        $this->assertInstanceOf(Line::class, $this->line);
+        return new Line(Line::ADDED, 'content');
     }
 
-    public function testTypeCanBeRetrieved(): void
+    private function removed(): Line
     {
-        $this->assertSame(Line::UNCHANGED, $this->line->type());
-        $this->assertSame(Line::UNCHANGED, $this->line->getType());
+        return new Line(Line::REMOVED, 'content');
     }
 
-    public function testContentCanBeRetrieved(): void
+    private function unchanged(): Line
     {
-        $this->assertSame('', $this->line->content());
-        $this->assertSame('', $this->line->getContent());
+        return new Line(Line::UNCHANGED, 'content');
     }
 }