import rand import time fn generate_strings(str_len int, arr_len int) []string { mut arr := []string{len: arr_len} for i in 0 .. arr_len { arr[i] = rand.string(str_len) } return arr } fn fuzz1() { amount := 200000 - rand.intn(100000) or { 0 } amount2 := 200000 - rand.intn(100000) or { 0 } len := 25 - rand.intn(10) or { 0 } arr := generate_strings(len, amount) arr2 := generate_strings(len, amount2) mut m := map[string]int{} for i in 0 .. amount { m[arr[i]] = i assert i == m[arr[i]] } for i in 0 .. amount { assert i == m[arr[i]] } for i in 0 .. amount2 { assert 0 == m[arr2[i]] } unsafe { m.free() arr.free() } } fn fuzz2() { mut m := map[string]int{} amount := rand.intn(500000) or { 0 } + 1 len := 25 - rand.intn(10) or { 0 } arr := generate_strings(len, amount) for i, x in arr { m[x] = i } mut i := 0 for key, val in m { assert key == arr[i] assert val == i i++ } unsafe { m.free() arr.free() } } fn fuzz3() { mut m := map[string]int{} amount := rand.intn(500000) or { 0 } + 1 len := 25 - rand.intn(10) or { 0 } arr := generate_strings(len, amount) for i, x in arr { if (i % 10000) == 0 { keys := m.keys() assert keys.len == i assert keys == arr[0..i] } m[x] = i } assert m.keys() == arr assert m.keys().len == amount unsafe { m.free() arr.free() } } fn fuzz4() { amount := rand.intn(500000) or { 0 } len := 25 - rand.intn(10) or { 0 } arr := generate_strings(len, amount) mut m := map[string]int{} for i in 0 .. amount { m[arr[i]] = i } for i in 0 .. amount { m.delete(arr[i]) assert m[arr[i]] == 0 } assert m.len == 0 unsafe { m.free() arr.free() } } fn fuzz5() { amount := rand.intn(500000) or { 0 } + 1 arr := generate_strings(20, amount) mut m := map[string]int{} for i in 0 .. amount { m[arr[i]] = i assert (arr[i] in m) == true } for i in 0 .. amount { m.delete(arr[i]) assert (arr[i] !in m) == true assert m.len == amount - i - 1 } assert m.len == 0 unsafe { m.free() arr.free() } } fn fuzz6() { mut m := map[string]int{} amount := rand.intn(500000) or { 0 } + 1 len := 25 - rand.intn(10) or { 0 } arr := generate_strings(len, amount) for i, x in arr { m[x]++ m[x] += i assert m[x] == i + 1 } for i, x in arr { assert m[x] == i + 1 } unsafe { m.free() arr.free() } } fn main() { seed := u32(time.ticks()) println('seed: $seed.hex()') rand.seed([seed, seed]) fuzz1() fuzz2() fuzz3() fuzz4() fuzz5() fuzz6() }