Coverage fixes

lib/Encoding/Encoder.php

@@ -20,7 +20,7 @@ class Encoder {
     public function __construct(string $label, bool $fatal = true) {
         $l = Matcher::matchLabel($label);
         if (!$l || !$l['encoder']) {
-            throw new EncoderException("Label '$label' does not have an encoder", Encoder::E_UNAVAILABLE_ENCODER);
+            throw new EncoderException("Label '$label' does not have an encoder", Encoding::E_UNAVAILABLE_ENCODER);
         } else {
             $this->name = $l['name'];
             $this->fatal = $fatal;
@@ -158,7 +158,7 @@ class Encoder {
                     return $this->err($codePoint);
                 }
         }
-    }
+    } // @codeCoverageIgnore
 
     protected function modeSet(int $mode, string $bytes): string {
         $head = ["\x1B\x28\x42", "\x1B\x28\x4A", "\x1B\x24\x42"][$mode];

lib/Encoding/ISO2022JP.php

@@ -134,7 +134,7 @@ class ISO2022JP extends AbstractEncoding implements Encoding {
                 }
             }
         }
-    }
+    } // @codeCoverageIgnore
 
     protected function modeSet(int $mode): int {
         $this->modeStack[] = [$this->modeMark, $this->mode];

tests/cases/TestEncoding.php

@@ -7,6 +7,7 @@ declare(strict_types=1);
 namespace MensBeam\Intl\TestCase;
 
 use MensBeam\Intl\Encoding;
+use MensBeam\Intl\Encoding\Encoder;
 
 class TestEncoding extends \PHPUnit\Framework\TestCase {
     /** @dataProvider provideLabelData */
@@ -31,6 +32,23 @@ class TestEncoding extends \PHPUnit\Framework\TestCase {
         $this->assertNull(Encoding::createDecoder("Not a label", ""));
     }
 
+    /** @dataProvider provideLabelData */
+    public function testCreateAnEncoderFromALabel(string $label, array $data) {
+        if ($data['encoder']) {
+            $this->assertInstanceOf(Encoder::class, Encoding::createEncoder($label));
+            $this->assertInstanceOf(Encoder::class, Encoding::createEncoder(strtoupper($label)));
+            $this->assertInstanceOf(Encoder::class, Encoding::createEncoder("    $label\n\n\r\t"));
+        } else {
+            $this->assertNull(Encoding::createEncoder($label));
+            $this->assertNull(Encoding::createEncoder(strtoupper($label)));
+            $this->assertNull(Encoding::createEncoder("    $label\n\n\r\t"));
+        }
+    }
+
+    public function testFailToCreateAnEncoderFromALabel() {
+        $this->assertNull(Encoding::createEncoder("Not a label"));
+    }
+
     public function provideLabelData() {
         $ns = "MensBeam\\Intl\\Encoding\\";
         $labels = [];
@@ -47,12 +65,10 @@ class TestEncoding extends \PHPUnit\Framework\TestCase {
                 }
             }
         }
-        $out = [];
         foreach ($labels as $label => $name) {
             $class = $names[$name];
             $encoder = !in_array($name, ["UTF-16LE", "UTF-16BE", "replacement"]);
-            $out[] = [(string) $label, ['label' => (string) $label, 'name' => $name, 'encoder' => $encoder, 'class' => $class]];
+            yield [(string) $label, ['label' => (string) $label, 'name' => $name, 'encoder' => $encoder, 'class' => $class]];
         }
-        return $out;
     }
 }