1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/opentracing/opentracing/tests/OpenTracing/ReferenceTest.php b/vendor/opentracing/opentracing/tests/OpenTracing/ReferenceTest.php
new file mode 100644
index 000000000..cb971a20c
--- /dev/null
+++ b/vendor/opentracing/opentracing/tests/OpenTracing/ReferenceTest.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTracing\Tests;
+
+use TypeError;
+use PHPUnit\Framework\TestCase;
+use OpenTracing\Reference;
+use OpenTracing\NoopSpanContext;
+use OpenTracing\InvalidReferenceArgumentException;
+
+/**
+ * @covers Reference
+ */
+final class ReferenceTest extends TestCase
+{
+    const REFERENCE_TYPE = 'ref_type';
+
+    public function testCreateAReferenceFailsOnInvalidContext()
+    {
+        $context = 'invalid_context';
+
+        $this->expectException(TypeError::class);
+        new Reference('child_of', $context);
+    }
+
+    public function testCreateAReferenceFailsOnEmptyType()
+    {
+        $context = new NoopSpanContext();
+
+        $this->expectException(InvalidReferenceArgumentException::class);
+        $this->expectExceptionMessage('Reference type can not be an empty string');
+        new Reference('', $context);
+    }
+
+    public function testAReferenceCanBeCreatedAsACustomType()
+    {
+        $context = new NoopSpanContext();
+        $reference = new Reference(self::REFERENCE_TYPE, $context);
+
+        $this->assertSame($context, $reference->getSpanContext());
+        $this->assertTrue($reference->isType(self::REFERENCE_TYPE));
+    }
+}