stage2: introduce anonymous struct literals

1 files changed, 50 insertions, 0 deletions

diff --git a/test/behavior/export.zig b/test/behavior/export.zig
new file mode 100644
index 0000000000..9521c7cadb
--- /dev/null
+++ b/test/behavior/export.zig
@@ -0,0 +1,50 @@
+const std = @import("std");
+const expect = std.testing.expect;
+const expectEqualSlices = std.testing.expectEqualSlices;
+const expectEqualStrings = std.testing.expectEqualStrings;
+const mem = std.mem;
+const builtin = @import("builtin");
+
+// can't really run this test but we can make sure it has no compile error
+// and generates code
+const vram = @intToPtr([*]volatile u8, 0x20000000)[0..0x8000];
+export fn writeToVRam() void {
+    vram[0] = 'X';
+}
+
+const PackedStruct = packed struct {
+    a: u8,
+    b: u8,
+};
+const PackedUnion = packed union {
+    a: u8,
+    b: u32,
+};
+
+test "packed struct, enum, union parameters in extern function" {
+    testPackedStuff(&(PackedStruct{
+        .a = 1,
+        .b = 2,
+    }), &(PackedUnion{ .a = 1 }));
+}
+
+export fn testPackedStuff(a: *const PackedStruct, b: *const PackedUnion) void {
+    if (false) {
+        a;
+        b;
+    }
+}
+
+test "exporting enum type and value" {
+    const S = struct {
+        const E = enum(c_int) { one, two };
+        comptime {
+            @export(E, .{ .name = "E" });
+        }
+        const e: E = .two;
+        comptime {
+            @export(e, .{ .name = "e" });
+        }
+    };
+    try expect(S.e == .two);
+}