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v/vlib/builtin/map_test.v

356 lines
5.9 KiB
V

// import time
struct User {
mut:
name string
}
struct Aaa {
mut:
m map[string]int
users map[string]User
}
fn (mut a Aaa) set(key string, val int) {
a.m[key] = val
}
fn test_map() {
mut m := map[string]int
assert m.len == 0
m['hi'] = 80
m['hello'] = 101
assert m['hi'] == 80
assert m['hello'] == 101
assert m.len == 2
assert 'hi' in m
mut sum := 0
// Test `for in`
for _, val in m {
sum += val
}
assert sum == 80 + 101
// Test `.keys()`
keys := m.keys()
assert keys.len == 2
assert 'hi' in keys
assert 'hello' in keys
m.delete('hi')
assert m.len == 1
m.delete('aloha')
assert m.len == 1
assert m['hi'] == 0
assert m.keys().len == 1
assert m.keys()[0] == 'hello'
////
mut users := map[string]User
users['1'] = User{'Peter'}
peter := users['1']
assert peter.name == 'Peter'
mut a := Aaa{
m: map[string]int
users: map[string]User
}
a.users['Bob'] = User{'Bob'}
q := a.users['Bob']
assert q.name == 'Bob'
// test struct field change
a.users['Bob'].name = 'bob'
q2 := a.users['Bob']
assert q2.name == 'bob'
a.m['one'] = 1
a.set('two', 2)
assert a.m['one'] == 1
assert a.m['two'] == 2
}
fn test_map_init() {
m := { 'one': 1, 'two': 2 }
assert m['one'] == 1
assert m['two'] == 2
assert m['three'] == 0
}
fn test_string_map() {
//m := map[string]Fn
}
fn test_large_map() {
//ticks := time.ticks()
mut nums := map[string]int
n := 30 * 1000
for i in 0..n {
key := i.str()
nums[key] = i
}
assert nums['1'] == 1
assert nums['999'] == 999
assert nums['1000000'] == 0
//println(time.ticks() - ticks)
}
fn test_various_map_value() {
mut m1 := map[string]int
m1['test'] = 1
assert m1['test'] == 1
mut m2 := map[string]string
m2['test'] = 'test'
assert m2['test'] == 'test'
mut m3 := map[string]i8
m3['test'] = i8(0)
assert m3['test'] == i8(0)
mut m4 := map[string]i16
m4['test'] = i16(0)
assert m4['test'] == i16(0)
mut m7 := map[string]u16
m7['test'] = u16(0)
assert m7['test'] == u16(0)
mut m8 := map[string]u32
m8['test'] = u32(0)
assert m8['test'] == u32(0)
mut m9 := map[string]bool
m9['test'] = true
assert m9['test'] == true
mut m10 := map[string]byte
m10['test'] = byte(0)
assert m10['test'] == byte(0)
mut m11 := map[string]f32
m11['test'] = f32(0.0)
assert m11['test'] == f32(0.0)
mut m12 := map[string]f64
m12['test'] = f64(0.0)
assert m12['test'] == f64(0.0)
//mut m13 := map[string]rune
//m13['test'] = rune(0)
//assert m13['test'] == rune(0)
mut m14 := map[string]voidptr
m14['test'] = voidptr(0)
assert m14['test'] == voidptr(0)
mut m15 := map[string]byteptr
m15['test'] = byteptr(0)
assert m15['test'] == byteptr(0)
mut m16 := map[string]i64
m16['test'] = i64(0)
assert m16['test'] == i64(0)
mut m17 := map[string]u64
m17['test'] = u64(0)
assert m17['test'] == u64(0)
mut m18 := map[string]&int
m18['test'] = &int(0)
assert m18['test'] == &int(0)
}
fn test_string_arr() {
mut m := map[string][]string
m['a'] = ['one', 'two']
assert m['a'].len == 2
assert m['a'][0] == 'one'
assert m['a'][1] == 'two'
}
fn mut_map(mut m map[string]int) {
m['a'] = 10
}
fn test_mut_arg() {
mut m := map[string]int
mut_map(mut m)
a := m['a']
assert a == 10
}
fn test_delete() {
mut m := map[string]int
m['one'] = 1
m['two'] = 2
println(m['two']) // => "2"
m.delete('two')
println(m['two'].str()) // => 0
assert ('two' in m) == false
println('two' in m) // => true, on Linux and Windows <-- wrong !
}
fn test_delete_size() {
arr := ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
mut m := map[string]int
for _ in 0..10 {
for i in 0..10 {
m[arr[i]] = i
}
assert(m.len == 10)
println(m.len)
for i in 0..10 {
m.delete(arr[i])
}
}
}
struct Mstruct1 {
pub mut:
mymap map[string]int
}
struct Mstruct2 {
pub mut:
mymap map[string]f64
}
struct Mstruct3 {
pub mut:
mymap map[string]u16
}
fn test_map_assign() {
mut a := map[string]f64{}
mut b := map[string]int{}
mut c := map[string]u16{}
a = {
'x': 12.4
'y': 3
}
b = {
'u': -13
'v': 12
}
c = {
's': u16(5)
't': 3
}
_ := Mstruct1 {
{ 'p': 12 }
}
_ := Mstruct2 {
{ 'q': 1.7 }
}
_ := Mstruct3 {
{ 'r': u16(6), 's': 5 }
}
}
fn test_postfix_op_directly() {
mut a := map[string]int
a['aaa']++
assert a['aaa'] == 1
a['aaa']++
assert a['aaa'] == 2
a['bbb']--
assert a['bbb'] == -1
a['bbb']--
assert a['bbb'] == -2
}
fn test_map_push_directly() {
mut a := map[string][]string
a['aaa'] << ['a', 'b', 'c']
assert a['aaa'].len == 3
assert a['aaa'] == ['a', 'b', 'c']
}
fn test_assign_directly() {
mut a := map[string]int
a['aaa'] += 4
assert a['aaa'] == 4
a['aaa'] -= 2
assert a['aaa'] == 2
}
fn test_map_in_directly() {
for k, v in {'aa': 1} {
assert k == 'aa'
assert v == 1
}
}
fn test_plus_assign_string() {
mut m := {'one': ''}
m['one'] += '1'
assert m.len == 1
assert m['one'] == '1'
}
fn test_map_keys_to_array() {
m := {'a': 'b', 'c': 'd'}
mut arr := []string{}
for k, _ in m {
arr << k
}
sarr := arr.str()
println(sarr)
assert sarr == "['a', 'c']"
}
fn map_in_mut(mut m map[string]int) {
if 'one' in m {
m['one'] = 2
}
}
fn test_map_in_mut() {
mut m := {'one': 1}
map_in_mut(mut m)
assert m['one'] == 2
}
fn mut_map_with_relation_op_in_fn(mut m map[string]int) {
if m['one'] == 1 {
m['three'] = 3
}
if m['two'] != 1 {
m['four'] = 4
}
if m['one'] > 0 {
m['five'] = 5
}
if m['one'] < 2 {
m['six'] = 6
}
if m['two'] >= 2 {
m['seven'] = 7
}
if m['two'] <= 2 {
m['eight'] = 8
}
}
fn test_mut_map_with_relation_op_in_fn() {
mut m := {'one':1, 'two':2}
mut_map_with_relation_op_in_fn(mut m)
assert 'three' in m
assert 'four' in m
assert 'five' in m
assert 'six' in m
assert 'seven' in m
assert 'eight' in m
}
fn test_map_str_after_delete() {
mut m := {
'first': 1,
'second': 2,
'third': 3,
}
osm := '$m'
m.delete('second')
nsm := '$m'
println('m: $m')
assert osm == "{'first': 1, 'second': 2, 'third': 3}"
assert nsm == "{'first': 1, 'third': 3}"
}