diff --git a/src/Framework/TestResult.php b/src/Framework/TestResult.php
index a1bb2f7199e..e856dcda884 100644
--- a/src/Framework/TestResult.php
+++ b/src/Framework/TestResult.php
@@ -440,7 +440,7 @@ public function endTest(Test $test, float $time): void
      */
     public function allHarmless(): bool
     {
-        return $this->riskyCount() == 0;
+        return $this->riskyCount() === 0;
     }
 
     /**
@@ -456,7 +456,7 @@ public function riskyCount(): int
      */
     public function allCompletelyImplemented(): bool
     {
-        return $this->notImplementedCount() == 0;
+        return $this->notImplementedCount() === 0;
     }
 
     /**
@@ -492,7 +492,7 @@ public function notImplemented(): array
      */
     public function noneSkipped(): bool
     {
-        return $this->skippedCount() == 0;
+        return $this->skippedCount() === 0;
     }
 
     /**
@@ -644,7 +644,7 @@ public function run(Test $test): void
 
         $monitorFunctions = $this->beStrictAboutResourceUsageDuringSmallTests &&
             !$test instanceof WarningTestCase &&
-            $test->getSize() == \PHPUnit\Util\Test::SMALL &&
+            $test->getSize() === \PHPUnit\Util\Test::SMALL &&
             \function_exists('xdebug_start_function_monitor');
 
         if ($monitorFunctions) {
@@ -769,7 +769,7 @@ public function run(Test $test): void
         }
 
         if ($this->beStrictAboutTestsThatDoNotTestAnything &&
-            $test->getNumAssertions() == 0) {
+            $test->getNumAssertions() === 0) {
             $risky = true;
         }
 
@@ -855,7 +855,7 @@ public function run(Test $test): void
             $this->addWarning($test, $e, $time);
         } elseif ($this->beStrictAboutTestsThatDoNotTestAnything &&
             !$test->doesNotPerformAssertions() &&
-            $test->getNumAssertions() == 0) {
+            $test->getNumAssertions() === 0) {
             try {
                 $reflected = new \ReflectionClass($test);
                 // @codeCoverageIgnoreStart