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