zig

commit e58976542b096df6cbb2088b6c7a690d7b95c50a (tree)
parent 5667ab7dcd2e367f3e1ac337eabadd64d9d850ad
Author: Luuk de Gram <luuk@degram.dev>
Date:   Fri, 30 Jul 2021 21:05:30 +0200

wasm: Test cases for wrap+intcast instructions

Diffstat:
M
test/stage2/wasm.zig
 | 
32
++++++++++++++++++++++++++++++++

1 file changed, 32 insertions(+), 0 deletions(-)
diff --git a/test/stage2/wasm.zig b/test/stage2/wasm.zig
@@ -114,6 +114,13 @@ pub fn addCases(ctx: *TestContext) !void {
         , "25\n");
 
         case.addCompareOutput(
+            \\pub export fn _start() i32 {
+            \\    var i: i32 = 2147483647;
+            \\    return i +% 1;
+            \\}
+        , "-2147483648\n");
+
+        case.addCompareOutput(
             \\pub export fn _start() u32 {
             \\    var i: u32 = 5;
             \\    i += 20;
@@ -134,6 +141,13 @@ pub fn addCases(ctx: *TestContext) !void {
         , "15\n");
 
         case.addCompareOutput(
+            \\pub export fn _start() i32 {
+            \\    var i: i32 = -2147483648;
+            \\    return i -% 1;
+            \\}
+        , "2147483647\n");
+
+        case.addCompareOutput(
             \\pub export fn _start() u32 {
             \\    var i: u32 = 5;
             \\    i -= 3;
@@ -158,6 +172,13 @@ pub fn addCases(ctx: *TestContext) !void {
         , "350\n");
 
         case.addCompareOutput(
+            \\pub export fn _start() i32 {
+            \\    var i: i32 = 2147483647;
+            \\    return i *% 2;
+            \\}
+        , "-2\n");
+
+        case.addCompareOutput(
             \\pub export fn _start() u32 {
             \\    var i: u32 = 352;
             \\    i /= 7; // i = 50
@@ -612,4 +633,15 @@ pub fn addCases(ctx: *TestContext) !void {
             \\}
         , "42\n");
     }
+
+    {
+        var case = ctx.exe("wasm integer widening", wasi);
+
+        case.addCompareOutput(
+            \\pub export fn _start() u64 {
+            \\    var x: u32 = 5;
+            \\    return x;
+            \\}
+        , "5\n");
+    }
 }