From 6e32a1becb90728f3a3bcbbc83a8e6c94f5e000c Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Wed, 10 Oct 2018 15:15:38 +0200
Subject: [PATCH] Disambiguator tests.

---
 .../disambiguator/for_statement.yul           | 28 +++++++++++++++++++
 .../disambiguator/funtion_call.yul            | 22 +++++++++++++++
 .../disambiguator/if_statement.yul            | 22 +++++++++++++++
 .../yulOptimizerTests/disambiguator/smoke.yul |  5 ++++
 .../disambiguator/smoke_yul.yul               |  6 ++++
 .../disambiguator/switch_statement.yul        | 27 ++++++++++++++++++
 .../disambiguator/variables.yul               | 12 ++++++++
 .../disambiguator/variables_clash.yul         | 13 +++++++++
 .../variables_inside_functions.yul            | 24 ++++++++++++++++
 9 files changed, 159 insertions(+)
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/for_statement.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/funtion_call.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/if_statement.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/smoke.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/smoke_yul.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/switch_statement.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/variables.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/variables_clash.yul
 create mode 100644 test/libjulia/yulOptimizerTests/disambiguator/variables_inside_functions.yul

diff --git a/test/libjulia/yulOptimizerTests/disambiguator/for_statement.yul b/test/libjulia/yulOptimizerTests/disambiguator/for_statement.yul
new file mode 100644
index 000000000..0d2a38c58
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/for_statement.yul
@@ -0,0 +1,28 @@
+// yul
+{
+    { let a:u256, b:u256 }
+    {
+        for { let a:u256 } a { a := a } {
+            let b:u256 := a
+        }
+    }
+}
+// ----
+// disambiguator
+// {
+//     {
+//         let a:u256, b:u256
+//     }
+//     {
+//         for {
+//             let a_1:u256
+//         }
+//         a_1
+//         {
+//             a_1 := a_1
+//         }
+//         {
+//             let b_1:u256 := a_1
+//         }
+//     }
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/funtion_call.yul b/test/libjulia/yulOptimizerTests/disambiguator/funtion_call.yul
new file mode 100644
index 000000000..f917bb68e
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/funtion_call.yul
@@ -0,0 +1,22 @@
+// yul
+{
+    { let a:u256, b:u256, c:u256, d:u256, f:u256 }
+    {
+        function f(a:u256) -> c:u256, d:u256 {
+            let b:u256, c_1:u256 := f(a)
+        }
+    }
+}
+// ----
+// disambiguator
+// {
+//     {
+//         let a:u256, b:u256, c:u256, d:u256, f:u256
+//     }
+//     {
+//         function f_1(a_1:u256) -> c_1:u256, d_1:u256
+//         {
+//             let b_1:u256, c_1_1:u256 := f_1(a_1)
+//         }
+//     }
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/if_statement.yul b/test/libjulia/yulOptimizerTests/disambiguator/if_statement.yul
new file mode 100644
index 000000000..14f537579
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/if_statement.yul
@@ -0,0 +1,22 @@
+// yul
+{
+    { let a:u256, b:u256, c:u256 }
+    {
+        let a:bool
+        if a { let b:bool := a }
+    }
+}
+// ----
+// disambiguator
+// {
+//     {
+//         let a:u256, b:u256, c:u256
+//     }
+//     {
+//         let a_1:bool
+//         if a_1
+//         {
+//             let b_1:bool := a_1
+//         }
+//     }
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/smoke.yul b/test/libjulia/yulOptimizerTests/disambiguator/smoke.yul
new file mode 100644
index 000000000..d6cd8a619
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/smoke.yul
@@ -0,0 +1,5 @@
+{ }
+// ----
+// disambiguator
+// {
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/smoke_yul.yul b/test/libjulia/yulOptimizerTests/disambiguator/smoke_yul.yul
new file mode 100644
index 000000000..e55f4cd3e
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/smoke_yul.yul
@@ -0,0 +1,6 @@
+// yul
+{ }
+// ----
+// disambiguator
+// {
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/switch_statement.yul b/test/libjulia/yulOptimizerTests/disambiguator/switch_statement.yul
new file mode 100644
index 000000000..340ecccf8
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/switch_statement.yul
@@ -0,0 +1,27 @@
+// yul
+{
+    { let a:u256, b:u256, c:u256 }
+    {
+        let a:u256
+        switch a
+        case 0:u256 { let b:u256 := a }
+        default { let c:u256 := a }
+    }
+}
+// ----
+// disambiguator
+// {
+//     {
+//         let a:u256, b:u256, c:u256
+//     }
+//     {
+//         let a_1:u256
+//         switch a_1
+//         case 0:u256 {
+//             let b_1:u256 := a_1
+//         }
+//         default {
+//             let c_1:u256 := a_1
+//         }
+//     }
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/variables.yul b/test/libjulia/yulOptimizerTests/disambiguator/variables.yul
new file mode 100644
index 000000000..65bd4c8f8
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/variables.yul
@@ -0,0 +1,12 @@
+// yul
+{ { let a:u256 } { let a:u256 } }
+// ----
+// disambiguator
+// {
+//     {
+//         let a:u256
+//     }
+//     {
+//         let a_1:u256
+//     }
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/variables_clash.yul b/test/libjulia/yulOptimizerTests/disambiguator/variables_clash.yul
new file mode 100644
index 000000000..e462442a9
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/variables_clash.yul
@@ -0,0 +1,13 @@
+// yul
+{ { let a:u256 let a_1:u256 } { let a:u256 } }
+// ----
+// disambiguator
+// {
+//     {
+//         let a:u256
+//         let a_1:u256
+//     }
+//     {
+//         let a_2:u256
+//     }
+// }
diff --git a/test/libjulia/yulOptimizerTests/disambiguator/variables_inside_functions.yul b/test/libjulia/yulOptimizerTests/disambiguator/variables_inside_functions.yul
new file mode 100644
index 000000000..e80959f69
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/disambiguator/variables_inside_functions.yul
@@ -0,0 +1,24 @@
+// yul
+{
+    { let c:u256 let b:u256 }
+    function f(a:u256, c:u256) -> b:u256 { let x:u256 }
+    {
+        let a:u256 let x:u256
+    }
+}
+// ----
+// disambiguator
+// {
+//     {
+//         let c:u256
+//         let b:u256
+//     }
+//     function f(a:u256, c_1:u256) -> b_1:u256
+//     {
+//         let x:u256
+//     }
+//     {
+//         let a_1:u256
+//         let x_1:u256
+//     }
+// }