InlineAssembly: Extracting tests for switch statement

test/libyul/yulSyntaxTests/switch_default_before_case.yul

@@ -0,0 +1,7 @@
+{
+    switch 42
+    default {}
+    case 1 {}
+}
+// ----
+// ParserError 4904: (35-39): Case not allowed after default case.

test/libyul/yulSyntaxTests/switch_duplicate_default.yul

@@ -0,0 +1,7 @@
+{
+    switch 42
+    default {}
+    default {}
+}
+// ----
+// ParserError 6931: (35-42): Only one default case allowed.

test/libyul/yulSyntaxTests/switch_invalid_body.yul

@@ -0,0 +1,8 @@
+{
+    switch 42
+    case 1 mul
+    case 2 {}
+    default {}
+}
+// ----
+// ParserError 2314: (27-30): Expected '{' but got identifier

test/libyul/yulSyntaxTests/switch_invalid_case.yul

@@ -0,0 +1,8 @@
+{
+    switch 42
+    case mul(1, 2) {}
+    case 2 {}
+    default {}
+}
+// ----
+// ParserError 4805: (28-29): Literal expected.

test/libyul/yulSyntaxTests/switch_invalid_expr_1.yul

@@ -0,0 +1,7 @@
+{
+    switch {}
+    case 1 {}
+    default {}
+}
+// ----
+// ParserError 1856: (13-14): Literal or identifier expected.

test/libyul/yulSyntaxTests/switch_invalid_expr_2.yul

@@ -0,0 +1,7 @@
+{
+    switch mload
+    case 1 {}
+    default {}
+}
+// ----
+// ParserError 2314: (23-27): Expected '(' but got reserved keyword 'case'

test/libyul/yulSyntaxTests/switch_invalid_expr_3.yul

@@ -0,0 +1,9 @@
+{
+	switch mstore(1, 1)
+	case 1 {}
+	default {}
+}
+// ====
+// dialect: evm
+// ----
+// TypeError 3950: (10-22): Expected expression to evaluate to one value, but got 0 values instead.

test/libyul/yulSyntaxTests/switch_statement_1.yul

@@ -0,0 +1,3 @@
+{ switch 42 default {} }
+// ----
+// Warning 9592: (2-22): "switch" statement with only a default case.

test/libyul/yulSyntaxTests/switch_statement_2.yul

@@ -0,0 +1,8 @@
+{
+    { switch 42 case 1 {} }
+    { switch 42 case 1 {} case 2 {} }
+    { switch 42 case 1 {} default {} }
+    { switch 42 case 1 {} case 2 {} default {} }
+    { switch mul(1, 2) case 1 {} case 2 {} default {} }
+    { function f() -> x {} switch f() case 1 {} case 2 {} default {} }
+}

test/libyul/yulSyntaxTests/switch_statement_duplicate_case.yul

@@ -0,0 +1,10 @@
+{
+	switch 42
+	case 1 {}
+	case 1 {}
+	default {}
+}
+// ====
+// dialect: evm
+// ----
+// DeclarationError 6792: (25-34): Duplicate case defined.

test/libyul/yulSyntaxTests/switch_statement_no_access.yul

@@ -0,0 +1,5 @@
+{
+    switch 42
+}
+// ----
+// ParserError 2418: (16-17): Switch statement without any cases.