diff --git a/test/libsolidity/semanticTests/literals/denominations.sol b/test/libsolidity/semanticTests/literals/denominations.sol
new file mode 100644
index 000000000..256525cb9
--- /dev/null
+++ b/test/libsolidity/semanticTests/literals/denominations.sol
@@ -0,0 +1,9 @@
+contract C {
+	uint constant x = 1 ether + 1 gwei + 1 wei;
+
+	function f() public view returns(uint) { return x; }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 1000000001000000001
diff --git a/test/libsolidity/semanticTests/literals/ether.sol b/test/libsolidity/semanticTests/literals/ether.sol
new file mode 100644
index 000000000..f03171796
--- /dev/null
+++ b/test/libsolidity/semanticTests/literals/ether.sol
@@ -0,0 +1,9 @@
+contract C {
+	uint constant x = 1 ether;
+
+	function f() public view returns(uint) { return x; }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 1000000000000000000
diff --git a/test/libsolidity/semanticTests/literals/wei.sol b/test/libsolidity/semanticTests/literals/wei.sol
new file mode 100644
index 000000000..59af2a3d7
--- /dev/null
+++ b/test/libsolidity/semanticTests/literals/wei.sol
@@ -0,0 +1,9 @@
+contract C {
+	uint constant x = 1 wei;
+
+	function f() public view returns(uint) { return x; }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 1