diff --git a/spec/beef/core/main/constants/browsers_spec.rb b/spec/beef/core/main/constants/browsers_spec.rb
new file mode 100644
index 000000000..c28ee66a8
--- /dev/null
+++ b/spec/beef/core/main/constants/browsers_spec.rb
@@ -0,0 +1,60 @@
+#
+# Copyright (c) 2006-2026 Wade Alcorn - wade@bindshell.net
+# Browser Exploitation Framework (BeEF) - https://beefproject.com
+# See the file 'doc/COPYING' for copying permission
+#
+
+require 'spec_helper'
+
+RSpec.describe BeEF::Core::Constants::Browsers do
+  describe 'constants' do
+    it 'defines short browser codes' do
+      expect(described_class::FF).to eq('FF')
+      expect(described_class::C).to eq('C')
+      expect(described_class::IE).to eq('IE')
+      expect(described_class::S).to eq('S')
+      expect(described_class::ALL).to eq('ALL')
+      expect(described_class::UNKNOWN).to eq('UN')
+    end
+
+    it 'defines friendly names' do
+      expect(described_class::FRIENDLY_FF_NAME).to eq('Firefox')
+      expect(described_class::FRIENDLY_C_NAME).to eq('Chrome')
+      expect(described_class::FRIENDLY_UN_NAME).to eq('UNKNOWN')
+    end
+  end
+
+  describe '.friendly_name' do
+    it 'returns Firefox for FF' do
+      expect(described_class.friendly_name(described_class::FF)).to eq('Firefox')
+    end
+
+    it 'returns Chrome for C' do
+      expect(described_class.friendly_name(described_class::C)).to eq('Chrome')
+    end
+
+    it 'returns Internet Explorer for IE' do
+      expect(described_class.friendly_name(described_class::IE)).to eq('Internet Explorer')
+    end
+
+    it 'returns Safari for S' do
+      expect(described_class.friendly_name(described_class::S)).to eq('Safari')
+    end
+
+    it 'returns MSEdge for E' do
+      expect(described_class.friendly_name(described_class::E)).to eq('MSEdge')
+    end
+
+    it 'returns UNKNOWN for UN' do
+      expect(described_class.friendly_name(described_class::UNKNOWN)).to eq('UNKNOWN')
+    end
+
+    it 'returns nil for unknown browser code' do
+      expect(described_class.friendly_name('XX')).to be_nil
+    end
+
+    it 'returns nil for nil' do
+      expect(described_class.friendly_name(nil)).to be_nil
+    end
+  end
+end