diff --git a/test/libsolidity/ASTJSON/smoke_license.json b/test/libsolidity/ASTJSON/smoke_license.json
new file mode 100644
index 000000000000..e8c6616a3cd5
--- /dev/null
+++ b/test/libsolidity/ASTJSON/smoke_license.json
@@ -0,0 +1,35 @@
+{
+  "absolutePath": "a",
+  "exportedSymbols":
+  {
+    "C":
+    [
+      1
+    ]
+  },
+  "id": 2,
+  "license": "GPL-3.0",
+  "nodeType": "SourceUnit",
+  "nodes":
+  [
+    {
+      "abstract": false,
+      "baseContracts": [],
+      "contractDependencies": [],
+      "contractKind": "contract",
+      "documentation": null,
+      "fullyImplemented": true,
+      "id": 1,
+      "linearizedBaseContracts":
+      [
+        1
+      ],
+      "name": "C",
+      "nodeType": "ContractDefinition",
+      "nodes": [],
+      "scope": 2,
+      "src": "36:13:1"
+    }
+  ],
+  "src": "36:14:1"
+}
diff --git a/test/libsolidity/ASTJSON/smoke_license.sol b/test/libsolidity/ASTJSON/smoke_license.sol
new file mode 100644
index 000000000000..92ffb8fa642f
--- /dev/null
+++ b/test/libsolidity/ASTJSON/smoke_license.sol
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-3.0
+contract C {}
+
+// ----
diff --git a/test/libsolidity/ASTJSON/smoke_license_legacy.json b/test/libsolidity/ASTJSON/smoke_license_legacy.json
new file mode 100644
index 000000000000..2f1405b62cef
--- /dev/null
+++ b/test/libsolidity/ASTJSON/smoke_license_legacy.json
@@ -0,0 +1,50 @@
+{
+  "attributes":
+  {
+    "absolutePath": "a",
+    "exportedSymbols":
+    {
+      "C":
+      [
+        1
+      ]
+    },
+    "license": "GPL-3.0"
+  },
+  "children":
+  [
+    {
+      "attributes":
+      {
+        "abstract": false,
+        "baseContracts":
+        [
+          null
+        ],
+        "contractDependencies":
+        [
+          null
+        ],
+        "contractKind": "contract",
+        "documentation": null,
+        "fullyImplemented": true,
+        "linearizedBaseContracts":
+        [
+          1
+        ],
+        "name": "C",
+        "nodes":
+        [
+          null
+        ],
+        "scope": 2
+      },
+      "id": 1,
+      "name": "ContractDefinition",
+      "src": "36:13:1"
+    }
+  ],
+  "id": 2,
+  "name": "SourceUnit",
+  "src": "36:14:1"
+}