1 files changed, 48 insertions, 0 deletions
diff --git a/devtools/shared/network-observer/test/xpcshell/test_security-info-protocol-version.js b/devtools/shared/network-observer/test/xpcshell/test_security-info-protocol-version.js
new file mode 100644
index 0000000000..a81f7ce73c
--- /dev/null
+++ b/devtools/shared/network-observer/test/xpcshell/test_security-info-protocol-version.js
@@ -0,0 +1,48 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Tests that NetworkHelper.formatSecurityProtocol returns correct
+// protocol version strings.
+
+const TEST_CASES = [
+  {
+    description: "TLS_VERSION_1",
+    input: 1,
+    expected: "TLSv1",
+  },
+  {
+    description: "TLS_VERSION_1.1",
+    input: 2,
+    expected: "TLSv1.1",
+  },
+  {
+    description: "TLS_VERSION_1.2",
+    input: 3,
+    expected: "TLSv1.2",
+  },
+  {
+    description: "TLS_VERSION_1.3",
+    input: 4,
+    expected: "TLSv1.3",
+  },
+  {
+    description: "invalid version",
+    input: -1,
+    expected: "Unknown",
+  },
+];
+
+function run_test() {
+  info("Testing NetworkHelper.formatSecurityProtocol.");
+
+  for (const { description, input, expected } of TEST_CASES) {
+    info("Testing " + description);
+
+    equal(
+      NetworkHelper.formatSecurityProtocol(input),
+      expected,
+      "Got the expected protocol string."
+    );
+  }
+}