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v/vlib/builtin/array_test.v
Alexander Medvednikov ff6e0df0a5 array: minor fixes
2019-08-07 13:39:54 +02:00

194 lines
2.9 KiB
Go

import os
const (
q = [1, 2, 3]
A = 8
)
fn test_ints() {
mut a := [1, 5, 2, 3]
assert a.len == 4
assert a[0] == 1
assert a[2] == 2
assert a.last() == 3
a << 4
assert a.len == 5
assert a[4] == 4
assert a.last() == 4
s := a.str()
assert s == '[1, 5, 2, 3, 4]'
assert a[1] == 5
assert a.last() == 4
}
fn test_deleting() {
mut a := [1, 5, 2, 3, 4]
assert a.len == 5
assert a.str() == '[1, 5, 2, 3, 4]'
a.delete(0)
assert a.str() == '[5, 2, 3, 4]'
assert a.len == 4
a.delete(1)
assert a.str() == '[5, 3, 4]'
assert a.len == 3
}
fn test_short() {
a := [1, 2, 3]
assert a.len == 3
assert a.cap == 3
assert a[0] == 1
assert a[1] == 2
assert a[2] == 3
}
fn test_large() {
mut a := [0; 0]
for i := 0; i < 10000; i++ {
a << i
}
assert a.len == 10000
assert a[234] == 234
}
struct Chunk {
val string
}
struct K {
q []Chunk
}
fn test_empty() {
mut chunks := []Chunk{}
a := Chunk{}
assert chunks.len == 0
chunks << a
assert chunks.len == 1
chunks = []Chunk{}
assert chunks.len == 0
chunks << a
assert chunks.len == 1
}
fn test_push() {
mut a := []int
a << 1
a << 3
assert a[1] == 3
assert a.str() == '[1, 3]'
}
fn test_strings() {
a := ['a', 'b', 'c']
assert a.str() == '["a", "b", "c"]'
}
fn test_repeat() {
a := [0; 5]
assert a.len == 5
assert a[0] == 0 && a[1] == 0 && a[2] == 0 && a[3] == 0 && a[4] == 0
b := [7; 3]
assert b.len == 3
assert b[0] == 7 && b[1] == 7 && b[2] == 7
{
mut aa := [1.1 ; 10]
// FIXME: assert aa[0] == 1.1 will fail, need fix
assert aa[0] == f32(1.1)
assert aa[5] == f32(1.1)
assert aa[9] == f32(1.1)
}
{
mut aa := [f32(1.1) ; 10]
assert aa[0] == f32(1.1)
assert aa[5] == f32(1.1)
assert aa[9] == f32(1.1)
}
{
aa := [f64(1.1) ; 10]
assert aa[0] == f64(1.1)
assert aa[5] == f64(1.1)
assert aa[9] == f64(1.1)
}
}
fn test_right() {
a := [1, 2, 3, 4]
b := a.right(1)
assert b[0] == 2
assert b[1] == 3
}
fn test_left() {
a := [1, 2, 3]
b := a.left(2)
assert b[0] == 1
assert b[1] == 2
}
fn test_slice() {
a := [1, 2, 3, 4]
b := a.slice(2, 4)
assert b.len == 2
assert a.slice(1, 2).len == 1
assert a.len == 4
}
fn test_push_many() {
mut a := [1, 2, 3]
b := [4, 5, 6]
a << b
assert a.len == 6
assert a[0] == 1
assert a[3] == 4
assert a[5] == 6
}
fn test_reverse() {
mut a := [1, 2, 3, 4]
mut b := ['test', 'array', 'reverse']
c := a.reverse()
d := b.reverse()
for i, _ in c {
assert c[i] == a[a.len-i-1]
}
for i, _ in d {
assert d[i] == b[b.len-i-1]
}
}
const (
N = 5
)
fn test_fixed() {
mut nums := [4]int
assert nums[0] == 0
assert nums[1] == 0
assert nums[2] == 0
assert nums[3] == 0
nums[1] = 7
assert nums[1] == 7
///////
nums2 := [N]int
assert nums2[N - 1] == 0
}
fn modify (numbers mut []int) {
numbers[0] = 777
}
fn test_mut_slice() {
mut n := [1,2,3]
modify(mut n.left(2))
assert n[0] == 777
modify(mut n.right(2))
assert n[2] == 777
println(n)
}