diff --git a/test/libsolidity/syntaxTests/denominations/finney_invalid.sol b/test/libsolidity/syntaxTests/denominations/finney_invalid.sol
index b7bae7fa7..9967ff333 100644
--- a/test/libsolidity/syntaxTests/denominations/finney_invalid.sol
+++ b/test/libsolidity/syntaxTests/denominations/finney_invalid.sol
@@ -1,7 +1,7 @@
 contract C {
-  function f() {
-    uint x = 1 finney;
-  }
+    function f() public {
+        uint x = 1 finney;
+    }
 }
 // ----
-// ParserError 2314: (45-51): Expected ';' but got identifier
+// DeclarationError 7920: (58-64): Identifier not found or not unique.
diff --git a/test/libsolidity/syntaxTests/denominations/szabo_invalid.sol b/test/libsolidity/syntaxTests/denominations/szabo_invalid.sol
index d206830d5..27157aa02 100644
--- a/test/libsolidity/syntaxTests/denominations/szabo_invalid.sol
+++ b/test/libsolidity/syntaxTests/denominations/szabo_invalid.sol
@@ -1,7 +1,7 @@
 contract C {
-  function f() {
-    uint x = 1 szabo;
-  }
+    function f() public {
+        uint x = 1 szabo;
+    }
 }
 // ----
-// ParserError 2314: (45-50): Expected ';' but got identifier
+// DeclarationError 7920: (58-63): Identifier not found or not unique.
diff --git a/test/libsolidity/syntaxTests/literalSuffixes/usableAsSuffix/deprecated_denomination_as_suffix.sol b/test/libsolidity/syntaxTests/literalSuffixes/usableAsSuffix/deprecated_denomination_as_suffix.sol
new file mode 100644
index 000000000..ce467a0b2
--- /dev/null
+++ b/test/libsolidity/syntaxTests/literalSuffixes/usableAsSuffix/deprecated_denomination_as_suffix.sol
@@ -0,0 +1,9 @@
+function szabo(uint x) pure returns (uint) { return x; }
+function finney(uint x) pure returns (uint) { return x; }
+
+contract C {
+    function f() public pure {
+        1 szabo;
+        1 finney;
+    }
+}
diff --git a/test/libsolidity/syntaxTests/literalSuffixes/usableAsSuffix/invalid_denomination_as_suffix.sol b/test/libsolidity/syntaxTests/literalSuffixes/usableAsSuffix/invalid_denomination_as_suffix.sol
new file mode 100644
index 000000000..982365a12
--- /dev/null
+++ b/test/libsolidity/syntaxTests/literalSuffixes/usableAsSuffix/invalid_denomination_as_suffix.sol
@@ -0,0 +1,61 @@
+==== Source: A ====
+function gwei(uint x) pure returns (uint) { return x; }
+
+==== Source: B ====
+function wei(uint x) pure returns (uint) { return x; }
+
+==== Source: C ====
+function ether(uint x) pure returns (uint) { return x; }
+
+==== Source: D ====
+function seconds(uint x) pure returns (uint) { return x; }
+
+==== Source: E ====
+function minutes(uint x) pure returns (uint) { return x; }
+
+==== Source: F ====
+function hours(uint x) pure returns (uint) { return x; }
+
+==== Source: G ====
+function days(uint x) pure returns (uint) { return x; }
+
+==== Source: H ====
+function weeks(uint x) pure returns (uint) { return x; }
+
+==== Source: I ====
+function years(uint x) pure returns (uint) { return x; }
+
+==== Source: test.sol ====
+import "A";
+import "B";
+import "C";
+import "D";
+import "E";
+import "F";
+import "G";
+import "H";
+import "I";
+
+contract C {
+    function f() public pure {
+        1 wei;
+        1 gwei;
+        1 ether;
+        1 seconds;
+        1 minutes;
+        1 hours;
+        1 days;
+        1 weeks;
+        1 years;
+    }
+}
+// ----
+// ParserError 2314: (A:9-13): Expected identifier but got 'gwei'
+// ParserError 2314: (B:9-12): Expected identifier but got 'wei'
+// ParserError 2314: (C:9-14): Expected identifier but got 'ether'
+// ParserError 2314: (D:9-16): Expected identifier but got 'seconds'
+// ParserError 2314: (E:9-16): Expected identifier but got 'minutes'
+// ParserError 2314: (F:9-14): Expected identifier but got 'hours'
+// ParserError 2314: (G:9-13): Expected identifier but got 'days'
+// ParserError 2314: (H:9-14): Expected identifier but got 'weeks'
+// ParserError 2314: (I:9-14): Expected identifier but got 'years'