mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
396 lines
6.4 KiB
V
396 lines
6.4 KiB
V
const (
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q = [1, 2, 3]
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A = 8
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)
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fn test_ints() {
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mut a := [1, 5, 2, 3]
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assert a.len == 4
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assert a[0] == 1
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assert a[2] == 2
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assert a.last() == 3
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a << 4
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assert a.len == 5
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assert a[4] == 4
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assert a.last() == 4
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s := a.str()
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assert s == '[1, 5, 2, 3, 4]'
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assert a[1] == 5
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assert a.last() == 4
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}
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fn test_deleting() {
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mut a := [1, 5, 2, 3, 4]
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assert a.len == 5
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assert a.str() == '[1, 5, 2, 3, 4]'
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a.delete(0)
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assert a.str() == '[5, 2, 3, 4]'
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assert a.len == 4
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a.delete(1)
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assert a.str() == '[5, 3, 4]'
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assert a.len == 3
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}
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fn test_short() {
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a := [1, 2, 3]
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assert a.len == 3
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assert a.cap == 3
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assert a[0] == 1
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assert a[1] == 2
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assert a[2] == 3
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}
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fn test_large() {
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mut a := [0].repeat(0)
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for i := 0; i < 10000; i++ {
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a << i
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}
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assert a.len == 10000
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assert a[234] == 234
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}
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struct Chunk {
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val string
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}
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struct K {
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q []Chunk
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}
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fn test_empty() {
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mut chunks := []Chunk{}
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a := Chunk{}
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assert chunks.len == 0
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chunks << a
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assert chunks.len == 1
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chunks = []Chunk{}
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assert chunks.len == 0
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chunks << a
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assert chunks.len == 1
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}
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fn test_push() {
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mut a := []int
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a << 1
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a << 3
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assert a[1] == 3
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assert a.str() == '[1, 3]'
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}
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fn test_strings() {
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a := ['a', 'b', 'c']
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assert a.str() == '["a", "b", "c"]'
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}
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fn test_repeat() {
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a := [0].repeat(5)
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assert a.len == 5
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assert a[0] == 0 && a[1] == 0 && a[2] == 0 && a[3] == 0 && a[4] == 0
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b := [7].repeat(3)
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assert b.len == 3
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assert b[0] == 7 && b[1] == 7 && b[2] == 7
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{
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mut aa := [1.1].repeat(10)
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// FIXME: assert aa[0] == 1.1 will fail, need fix
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assert aa[0] == f32(1.1)
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assert aa[5] == f32(1.1)
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assert aa[9] == f32(1.1)
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}
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{
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mut aa := [f32(1.1)].repeat(10)
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assert aa[0] == f32(1.1)
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assert aa[5] == f32(1.1)
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assert aa[9] == f32(1.1)
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}
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{
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aa := [f64(1.1)].repeat(10)
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assert aa[0] == f64(1.1)
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assert aa[5] == f64(1.1)
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assert aa[9] == f64(1.1)
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}
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}
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fn test_right() {
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a := [1, 2, 3, 4]
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b := a.right(1)
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c := a[1..a.len]
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d := a[1..]
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assert b[0] == 2
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assert b[1] == 3
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assert c[0] == 2
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assert c[1] == 3
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assert d[0] == 2
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assert d[1] == 3
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}
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fn test_right_with_n_bigger_than_array_size() {
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a := [1, 2, 3, 4]
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// NOTE: slice syntax wont return empty array
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// instead will give index out of bounds
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// mut b := a[10..]
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mut b := a.right(10)
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assert b.len == 0
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// also check that the result of a.right
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// is an array of the same type/element size as a:
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b << 5
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b << 6
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assert b.len == 2
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assert b[0] == 5
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assert b[1] == 6
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}
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fn test_left() {
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a := [1, 2, 3]
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b := a.left(2)
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c := a[0..2]
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d := a[..2]
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assert b[0] == 1
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assert b[1] == 2
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assert c[0] == 1
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assert c[1] == 2
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assert d[0] == 1
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assert d[1] == 2
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}
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fn test_slice() {
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a := [1, 2, 3, 4]
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b := a.slice(2, 4)
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assert b.len == 2
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assert a.slice(1, 2).len == 1
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assert a.len == 4
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}
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fn test_push_many() {
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mut a := [1, 2, 3]
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b := [4, 5, 6]
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a << b
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assert a.len == 6
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assert a[0] == 1
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assert a[3] == 4
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assert a[5] == 6
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}
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fn test_reverse() {
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mut a := [1, 2, 3, 4]
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mut b := ['test', 'array', 'reverse']
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c := a.reverse()
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d := b.reverse()
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for i, _ in c {
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assert c[i] == a[a.len-i-1]
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}
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for i, _ in d {
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assert d[i] == b[b.len-i-1]
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}
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}
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const (
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N = 5
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)
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fn test_fixed() {
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mut nums := [4]int
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assert nums[0] == 0
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assert nums[1] == 0
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assert nums[2] == 0
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assert nums[3] == 0
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nums[1] = 7
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assert nums[1] == 7
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nums2 := [N]int
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assert nums2[N - 1] == 0
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}
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fn modify (numbers mut []int) {
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numbers[0] = 777
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}
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fn test_mut_slice() {
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mut n := [1,2,3]
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modify(mut n[..2])
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assert n[0] == 777
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modify(mut n[2..])
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assert n[2] == 777
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println(n)
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}
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fn test_clone() {
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nums := [1, 2, 3, 4, 100]
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nums2 := nums.clone()
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assert nums2.len == 5
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assert nums2.str() == '[1, 2, 3, 4, 100]'
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assert nums.slice(1, 3).str() == '[2, 3]'
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}
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fn test_doubling() {
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mut nums := [1, 2, 3, 4, 5]
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for i := 0; i < nums.len; i++ {
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nums[i] *= 2
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}
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assert nums.str() == '[2, 4, 6, 8, 10]'
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}
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struct Test2 {
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one int
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two int
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}
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struct Test {
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a string
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mut:
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b []Test2
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}
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fn (t Test2) str() string {
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return '{$t.one $t.two}'
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}
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fn (t Test) str() string {
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return '{$t.a $t.b}'
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}
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fn test_struct_print() {
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mut a := Test {
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a: 'Test',
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b: []Test2
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}
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b := Test2 {
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one: 1,
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two: 2
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}
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a.b << b
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a.b << b
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assert a.str() == '{Test [{1 2}, {1 2}] }'
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assert b.str() == '{1 2}'
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assert a.b.str() == '[{1 2}, {1 2}]'
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}
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fn test_single_element() {
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mut a := [1]
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a << 2
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assert a.len == 2
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assert a[0] == 1
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assert a[1] == 2
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println(a)
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}
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fn test_find_index() {
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// string
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a := ['v', 'is', 'great']
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assert a.index('v') == 0
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assert a.index('is') == 1
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assert a.index('gre') == -1
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// int
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b := [1, 2, 3, 4]
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assert b.index(1) == 0
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assert b.index(4) == 3
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assert b.index(5) == -1
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// byte
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c := [0x22, 0x33, 0x55]
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assert c.index(0x22) == 0
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assert c.index(0x55) == 2
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assert c.index(0x99) == -1
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// char
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d := [`a`, `b`, `c`]
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assert d.index(`b`) == 1
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assert d.index(`c`) == 2
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assert d.index(`u`) == -1
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}
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fn test_multi() {
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a := [[1,2,3],[4,5,6]]
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assert a.len == 2
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assert a[0].len == 3
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assert a[0][0] == 1
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assert a[0][2] == 3
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assert a[1][2] == 6
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// TODO
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//b := [ [[1,2,3],[4,5,6]], [[1,2]] ]
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//assert b[0][0][0] == 1
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}
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fn test_in() {
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a := [1,2,3]
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assert 1 in a
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assert 2 in a
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assert 3 in a
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assert !(4 in a)
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assert !(0 in a)
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}
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fn sum(prev int, curr int) int {
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return prev + curr
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}
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fn sub(prev int, curr int) int {
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return prev - curr
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}
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fn test_reduce() {
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a := [1, 2, 3, 4, 5]
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b := a.reduce(sum, 0)
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c := a.reduce(sum, 5)
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d := a.reduce(sum, -1)
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assert b == 15
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assert c == 20
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assert d == 14
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e := [1, 2, 3]
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f := e.reduce(sub, 0)
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g := e.reduce(sub, -1)
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assert f == -6
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assert g == -7
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}
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fn test_filter() {
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a := [1, 2, 3, 4, 5, 6]
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b := a.filter(it % 2 == 0)
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assert b.len == 3
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assert b[0] == 2
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assert b[1] == 4
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assert b[2] == 6
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c := ['v', 'is', 'awesome']
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d := c.filter(it.len > 1)
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assert d[0] == 'is'
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assert d[1] == 'awesome'
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}
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fn test_map() {
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a := [1, 2, 3, 4, 5, 6]
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b := a.map(it * 10)
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assert b.len == 6
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assert b[0] == 10
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assert b[1] == 20
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assert b[2] == 30
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c := ['v', 'is', 'awesome']
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d := c.map(it.to_upper())
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assert d[0] == 'V'
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assert d[1] == 'IS'
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assert d[2] == 'AWESOME'
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bools := c.map(it == 'v')
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assert bools.len == 3
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assert bools[0] == true
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assert bools[1] == false
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assert bools[2] == false
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}
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fn test_array_str() {
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numbers := [1, 2, 3]
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numbers2 := [numbers, [4, 5, 6]] // dup str() bug
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assert true
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assert numbers.str() == '[1, 2, 3]'
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assert numbers2.str() == '[[1, 2, 3], [4, 5, 6]]'
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}
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fn test_eq() {
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assert [5,6,7].eq([6,7]) == false
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assert [`a`,`b`].eq([`a`,`b`]) == true
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}
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