From 04366576ea4be4959b596ebff7041d17e18d08d8 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sat, 25 Sep 2021 17:52:50 -0700
Subject: stage2: implement `@sizeOf` for non-packed structs

---
 test/behavior/struct.zig | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/behavior/struct.zig')

diff --git a/test/behavior/struct.zig b/test/behavior/struct.zig
index 6f00b71057..e048848799 100644
--- a/test/behavior/struct.zig
+++ b/test/behavior/struct.zig
@@ -31,3 +31,24 @@ test "return empty struct instance" {
 fn returnEmptyStructInstance() StructWithNoFields {
     return empty_global_instance;
 }
+
+const StructFoo = struct {
+    a: i32,
+    b: bool,
+    c: f32,
+};
+test "structs" {
+    var foo: StructFoo = undefined;
+    @memset(@ptrCast([*]u8, &foo), 0, @sizeOf(StructFoo));
+    foo.a += 1;
+    foo.b = foo.a == 1;
+    try testFoo(foo);
+    testMutation(&foo);
+    try expect(foo.c == 100);
+}
+fn testFoo(foo: StructFoo) !void {
+    try expect(foo.b);
+}
+fn testMutation(foo: *StructFoo) void {
+    foo.c = 100;
+}
-- 
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