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std.json: don't free struct default values

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Closes https://github.com/ziglang/zig/issues/9509.
This commit is contained in:
John Schmidt
2023-02-04 14:42:42 +01:00
parent b42caff2a2
commit b1dd4b17d8
2 changed files with 56 additions and 1 deletions
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25
lib/std/json/test.zig
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@@ -2246,6 +2246,31 @@ test "parse into struct with default const pointer field" {
try testing.expectEqual(T{}, try parse(T, &ts, .{}));
}
const test_default_usize: usize = 123;
const test_default_usize_ptr: *align(1) const usize = &test_default_usize;
const test_default_str: []const u8 = "test str";
const test_default_str_slice: [2][]const u8 = [_][]const u8{
"test1",
"test2",
};
test "freeing parsed structs with pointers to default values" {
const T = struct {
int: *const usize = &test_default_usize,
int_ptr: *allowzero align(1) const usize = test_default_usize_ptr,
str: []const u8 = test_default_str,
str_slice: []const []const u8 = &test_default_str_slice,
};
var ts = json.TokenStream.init("{}");
const options = .{ .allocator = std.heap.page_allocator };
const parsed = try json.parse(T, &ts, options);
try testing.expectEqual(T{}, parsed);
json.parseFree(T, parsed, options);
}
test "parse into struct where destination and source lengths mismatch" {
const T = struct { a: [2]u8 };
var ts = TokenStream.init("{\"a\": \"bbb\"}");