Closes #967

Author: sebastianbergmann

ChangeLog-10.1.md

@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [10.1.15] - 2024-MM-DD
+
+### Fixed
+
+* [#967](https://github.com/sebastianbergmann/php-code-coverage/issues/967): Identification of executable lines for `match` expressions does not work correctly
+
 ## [10.1.14] - 2024-03-12
 
 ### Fixed
@@ -101,6 +107,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 
 * The `SebastianBergmann\CodeCoverage\Filter::includeDirectory()`, `SebastianBergmann\CodeCoverage\Filter::excludeDirectory()`, and `SebastianBergmann\CodeCoverage\Filter::excludeFile()` methods are now deprecated
 
+[10.1.15]: https://github.com/sebastianbergmann/php-code-coverage/compare/10.1.14...10.1
 [10.1.14]: https://github.com/sebastianbergmann/php-code-coverage/compare/10.1.13...10.1.14
 [10.1.13]: https://github.com/sebastianbergmann/php-code-coverage/compare/10.1.12...10.1.13
 [10.1.12]: https://github.com/sebastianbergmann/php-code-coverage/compare/10.1.11...10.1.12

src/StaticAnalysis/ExecutableLinesFindingVisitor.php

@@ -105,7 +105,6 @@ public function enterNode(Node $node): void
             $node instanceof Node\Stmt\Use_ ||
             $node instanceof Node\Stmt\UseUse ||
             $node instanceof Node\Expr\ConstFetch ||
-            $node instanceof Node\Expr\Match_ ||
             $node instanceof Node\Expr\Variable ||
             $node instanceof Node\Expr\Throw_ ||
             $node instanceof Node\ComplexType ||
@@ -117,6 +116,18 @@ public function enterNode(Node $node): void
             return;
         }
 
+        if ($node instanceof Node\Expr\Match_) {
+            foreach ($node->arms as $arm) {
+                $this->setLineBranch(
+                    $arm->body->getStartLine(),
+                    $arm->body->getEndLine(),
+                    ++$this->nextBranch,
+                );
+            }
+
+            return;
+        }
+
         /*
          * nikic/php-parser ^4.18 represents <code>throw</code> statements
          * as <code>Stmt\Throw_</code> objects

tests/tests/StaticAnalysis/ExecutableLinesFindingVisitorTest.php

@@ -9,7 +9,6 @@
  */
 namespace SebastianBergmann\CodeCoverage\StaticAnalysis;
 
-use PHPUnit\Framework\Attributes\Ticket;
 use function explode;
 use function file_get_contents;
 use function preg_match;
@@ -18,6 +17,7 @@
 use PhpParser\ParserFactory;
 use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\RequiresPhp;
+use PHPUnit\Framework\Attributes\Ticket;
 use PHPUnit\Framework\TestCase;
 
 #[CoversClass(ExecutableLinesFindingVisitor::class)]