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const std = @import("std");
const hashtable = @cImport({
@cInclude("hashtable.c");
});
pub fn main() !void {
std.debug.print("Testing hashmap!\n", .{});
var ht = hashtable.hashtable_init(8);
defer _ = hashtable.hashtable_deinit(&ht);
const Example = struct {
data: i32 align(1),
};
const data = Example{
.data = 7,
};
_ = hashtable.hashtable_put(ht, @constCast("key"), @constCast(&data));
const res: *Example = @ptrCast(hashtable.hashtable_get(ht, @constCast("key")));
std.debug.print("Result: {d}\n", .{res.*.data});
}
test "simple test" {
var ht = hashtable.hashtable_init(8);
defer _ = hashtable.hashtable_deinit(&ht);
const data: i32 = 4;
_ = hashtable.hashtable_put(ht, @constCast("key"), @constCast(&data));
const res: *align(1) i32 = @ptrCast(hashtable.hashtable_get(ht, @constCast("key")));
try std.testing.expectEqual(@as(i32, 4), res.*);
}
test "removing element" {
var ht = hashtable.hashtable_init(8);
defer _ = hashtable.hashtable_deinit(&ht);
const data: i32 = 4;
_ = hashtable.hashtable_put(ht, @constCast("key"), @constCast(&data));
_ = hashtable.hashtable_remove(ht, @constCast("key"));
const res = hashtable.hashtable_get(ht, @constCast("key"));
try std.testing.expectEqual(null, res);
}
test "fuzzing" {
try std.testing.fuzz(struct {
pub fn func(source: []const u8) !void {
if (source.len == 0) return;
std.debug.print("source: {s}", .{source});
var ht = hashtable.hashtable_init(8);
defer _ = hashtable.hashtable_deinit(&ht);
var i: usize = 0;
while (i + 2 < source.len) : (i += 2) {
const data: i32 = 4;
const operation: u8 = source[i];
const key: [*c]u8 = @constCast(@as([2]u8, .{ source[i + 1], 0 })[0..]);
const value: u8 = source[i + 2];
switch (operation % 3) {
0 => {
_ = hashtable.hashtable_get(ht, key);
},
1 => {
_ = hashtable.hashtable_put(ht, key, @constCast(&value));
},
2 => {
_ = hashtable.hashtable_remove(ht, key);
},
else => unreachable,
}
_ = hashtable.hashtable_put(ht, @constCast("key"), @constCast(&data));
const res: *align(1) i32 = @ptrCast(hashtable.hashtable_get(ht, @constCast("key")));
try std.testing.expectEqual(4, res.*);
}
}
}.func, .{});
}
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