mirror of
https://github.com/ziglang/zig.git
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27 lines
862 B
Zig
27 lines
862 B
Zig
const assert = @import("std").debug.assert;
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const testing = @import("std").testing;
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const updateHidden = @extern(*const fn (u32) callconv(.c) void, .{ .name = "updateHidden" });
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const getHidden = @extern(*const fn () callconv(.c) u32, .{ .name = "getHidden" });
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const T = extern struct { x: u32 };
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test {
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const mut_val_ptr = @extern(*f64, .{ .name = "mut_val" });
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const const_val_ptr = @extern(*const T, .{ .name = "const_val" });
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const shared_val_ptr = @extern(*c_int, .{ .name = "shared_val", .is_dll_import = true });
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assert(getHidden() == 0);
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updateHidden(123);
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assert(getHidden() == 123);
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assert(mut_val_ptr.* == 1.23);
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mut_val_ptr.* = 10.0;
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assert(mut_val_ptr.* == 10.0);
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assert(const_val_ptr.x == 42);
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assert(shared_val_ptr.* == 1234);
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shared_val_ptr.* = 1235;
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assert(shared_val_ptr.* == 1235);
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}
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