Additional tests for edge cases for mutability, visibility, location, experimental, global, indexed and anonymous

test/libsolidity/syntaxTests/visibility/file_level_variable_visibility.sol

@@ -0,0 +1,13 @@
+==== Source: A ====
+uint external a;
+==== Source: B ====
+uint internal a;
+==== Source: C ====
+uint public a;
+==== Source: D ====
+uint private a;
+// ----
+// ParserError 2314: (A:5-13): Expected identifier but got 'external'
+// ParserError 2314: (B:5-13): Expected identifier but got 'internal'
+// ParserError 2314: (C:5-11): Expected identifier but got 'public'
+// ParserError 2314: (D:5-12): Expected identifier but got 'private'

test/libsolidity/syntaxTests/visibility/invalid_function_parameter_and_return_var_visibility.sol

@@ -0,0 +1,41 @@
+==== Source: A ====
+contract test {
+    function f(uint external a) public returns (uint) { }
+}
+==== Source: B ====
+contract test {
+    function f(uint internal a) public returns (uint) { }
+}
+==== Source: C ====
+contract test {
+    function f(uint public a) public returns (uint) { }
+}
+==== Source: D ====
+contract test {
+    function f(uint private a) public returns (uint) { }
+}
+==== Source: E ====
+contract test {
+    function f(uint a) public returns (uint external) { }
+}
+==== Source: F ====
+contract test {
+    function f(uint a) public returns (uint internal) { }
+}
+==== Source: G ====
+contract test {
+    function f(uint a) public returns (uint public) { }
+}
+==== Source: H ====
+contract test {
+    function f(uint a) public returns (uint private) { }
+}
+// ----
+// ParserError 2314: (A:36-44): Expected ',' but got 'external'
+// ParserError 2314: (B:36-44): Expected ',' but got 'internal'
+// ParserError 2314: (C:36-42): Expected ',' but got 'public'
+// ParserError 2314: (D:36-43): Expected ',' but got 'private'
+// ParserError 2314: (E:60-68): Expected ',' but got 'external'
+// ParserError 2314: (F:60-68): Expected ',' but got 'internal'
+// ParserError 2314: (G:60-66): Expected ',' but got 'public'
+// ParserError 2314: (H:60-67): Expected ',' but got 'private'

test/libsolidity/syntaxTests/visibility/invalid_variable_visibility.sol

@@ -0,0 +1,29 @@
+==== Source: A ====
+contract test {
+    function f(uint a) public {
+        uint public a;
+    }
+}
+==== Source: B ====
+contract test {
+    function f(uint a) public {
+        uint private a;
+    }
+}
+==== Source: C ====
+contract test {
+    function f(uint a) public {
+        uint external a;
+    }
+}
+==== Source: D ====
+contract test {
+    function f(uint a) public {
+        uint internal a;
+    }
+}
+// ----
+// ParserError 2314: (A:61-67): Expected ';' but got 'public'
+// ParserError 2314: (B:61-68): Expected ';' but got 'private'
+// ParserError 2314: (C:61-69): Expected ';' but got 'external'
+// ParserError 2314: (D:61-69): Expected ';' but got 'internal'

test/libsolidity/syntaxTests/visibility/multiple_visibility_specifiers.sol

@@ -0,0 +1,53 @@
+contract C {
+    uint private internal a;
+    uint private public b;
+    uint private private c;
+    uint internal internal e;
+    uint internal public f;
+    uint internal private g;
+    uint public internal h;
+    uint public public i;
+    uint public private j;
+    function f1() private external {}
+    function f2() private internal {}
+    function f3() private public {}
+    function f4() private private {}
+    function f5() external external {}
+    function f6() external internal {}
+    function f7() external public {}
+    function f8() external private {}
+    function f9() internal external {}
+    function f10() internal internal {}
+    function f11() internal public {}
+    function f12() internal private {}
+    function f13() public external {}
+    function f14() public internal {}
+    function f15() public public {}
+    function f16() public private {}
+}
+// ----
+// ParserError 4110: (30-38): Visibility already specified as "private".
+// ParserError 4110: (59-65): Visibility already specified as "private".
+// ParserError 4110: (86-93): Visibility already specified as "private".
+// ParserError 4110: (115-123): Visibility already specified as "internal".
+// ParserError 4110: (145-151): Visibility already specified as "internal".
+// ParserError 4110: (173-180): Visibility already specified as "internal".
+// ParserError 4110: (200-208): Visibility already specified as "public".
+// ParserError 4110: (228-234): Visibility already specified as "public".
+// ParserError 4110: (254-261): Visibility already specified as "public".
+// ParserError 9439: (291-299): Visibility already specified as "private".
+// ParserError 9439: (329-337): Visibility already specified as "private".
+// ParserError 9439: (367-373): Visibility already specified as "private".
+// ParserError 9439: (403-410): Visibility already specified as "private".
+// ParserError 9439: (441-449): Visibility already specified as "external".
+// ParserError 9439: (480-488): Visibility already specified as "external".
+// ParserError 9439: (519-525): Visibility already specified as "external".
+// ParserError 9439: (556-563): Visibility already specified as "external".
+// ParserError 9439: (594-602): Visibility already specified as "internal".
+// ParserError 9439: (634-642): Visibility already specified as "internal".
+// ParserError 9439: (674-680): Visibility already specified as "internal".
+// ParserError 9439: (712-719): Visibility already specified as "internal".
+// ParserError 9439: (749-757): Visibility already specified as "public".
+// ParserError 9439: (787-795): Visibility already specified as "public".
+// ParserError 9439: (825-831): Visibility already specified as "public".
+// ParserError 9439: (861-868): Visibility already specified as "public".

test/libsolidity/syntaxTests/visibility/multiple_visibility_specifiers_external.sol

@@ -0,0 +1,16 @@
+==== Source: A ====
+contract C {
+    uint external external x;
+}
+==== Source: B ====
+contract C {
+    uint internal external x;
+}
+==== Source: C ====
+contract C {
+    uint external internal x;
+}
+// ----
+// ParserError 2314: (A:22-30): Expected identifier but got 'external'
+// ParserError 2314: (B:31-39): Expected identifier but got 'external'
+// ParserError 2314: (C:22-30): Expected identifier but got 'external'