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v/vlib/builtin/map_test.v
2019-09-01 14:05:03 +03:00

177 lines
3.1 KiB
V

import time
struct User {
name string
}
struct A {
m map[string]int
users map[string]User
}
fn (a mut A) set(key string, val int) {
a.m[key] = val
}
fn test_map() {
mut m := map[string]int
assert m.size == 0
m['hi'] = 80
m['hello'] = 101
assert m['hi'] == 80
assert m['hello'] == 101
assert m.size == 2
assert 'hi' in m
mut sum := 0
mut key_sum := ''
// Test `for in`
for key, val in m {
sum += val
key_sum += key
}
assert sum == 80 + 101
assert key_sum == 'hihello'
// Test `.keys()`
keys := m.keys()
assert keys.len == 2
assert keys[0] == 'hi'
assert keys[1] == 'hello'
m.delete('hi')
assert m.size == 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 := A{
m: map[string]int
users: map[string]User
}
a.users['Bob'] = User{'Bob'}
q := a.users['Bob']
assert q.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 := 0; i < N; i++ {
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 m5 := map[string]i32
m5['test'] = i32(0)
assert m5['test'] == i32(0)
mut m6 := map[string]u8
m6['test'] = u8(0)
assert m6['test'] == u8(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)
}
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 test_ref() {
m := { 'one': 1 }
// TODO "cannot take the address of m['one']"
mut one := &m['one']
one++
println(*one)
}
*/