v/builtin/array_test.v

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2019-06-25 15:31:56 +02:00
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
println(a)
a << 4
println(a)
assert a.len == 5
assert a[4] == 4
assert a.last() == 4
// assert a.contains(4) == true
// assert a.contains(777) == false
// assert a.str() == '51234'
mut s := a.str()
assert s == '[1, 5, 2, 3, 4]'
// Insert
// val := 5
// a.insert(1, val)// 1 5 2 3 4
s = a.str()
assert a[1] == 5
assert a.last() == 4
// a.sort()
s = a.str()
assert s == '[1, 5, 2, 3, 4]'
// Delete
a.delete(0)
assert a.str() == '[5, 2, 3, 4]'
a.delete(1)
assert a.str() == '[5, 3, 4]'
}
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() {
s := 'hi'
if s.contains('i') {
// println('$s')
}
a := ['a', 'b', 'c']
assert a.str() == '["a", "b", "c"]'
// println(a)
}
fn test_repeat() {
a := [0; 5]
// a := [0 x 5]
assert a.len == 5
assert a[0] == 0 && a[1] == 0 && a[2] == 0 && a[3] == 0 && a[4] == 0
}
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)
for val in b {
println(val)
}
assert a.slice(1, 2).len == 1
println(a.slice(2, 4))
}
fn test_push_many() {
mut a := [1, 2, 3]
b := [4, 5, 6]
a._push_many(b.data, b.len)
assert a.len == 6
assert a[0] == 1
assert a[3] == 4
assert a[5] == 6
println(a)
}