mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
593 lines
9.5 KiB
V
593 lines
9.5 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_pointer() {
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mut arr := []&int
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a := 1
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b := 2
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c := 3
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arr << &a
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arr << &b
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arr << &c
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assert *arr[0] == 1
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arr[1] = &c
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assert *arr[1] == 3
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mut d_arr := [arr] // [][]&int
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d_arr << arr
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assert *d_arr[0][1] == 3
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assert *d_arr[1][0] == 1
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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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a.delete(a.len - 1)
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assert a.str() == '[5, 3]'
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assert a.len == 2
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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 = []
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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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// TODO array.insert is broken
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// Cannot pass literal or primitive type as it cannot be cast to voidptr.
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// In the current state only that would work:
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// i := 3
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// a.insert(0, &i)
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// ----------------------------
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/*
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fn test_insert() {
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mut a := [1, 2]
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a.insert(0, 3)
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println(a)
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}
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*/
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// fn test_insert() {
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// mut a := [1, 2]
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// a.insert(0, 3)
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// assert a[0] == 3
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// assert a[2] == 2
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// assert a.len == 3
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// a.insert(1, 4)
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// assert a[1] == 4
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// assert a[2] == 1
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// assert a.len == 4
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// a.insert(4, 5)
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// assert a[4] == 5
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// assert a[3] == 2
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// assert a.len == 5
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// mut b := []f64
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// assert b.len == 0
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// b.insert(0, f64(1.1))
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// assert b.len == 1
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// assert b[0] == f64(1.1)
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// }
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// TODO array.prepend is broken
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// It depends on array.insert
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// -----------------------------
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// fn test_prepend() {
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// mut a := []int
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// assert a.len == 0
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// a.prepend(1)
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// assert a.len == 1
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// assert a[0] == 1
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// mut b := []f64
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// assert b.len == 0
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// b.prepend(f64(1.1))
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// assert b.len == 1
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// assert b[0] == f64(1.1)
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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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/*
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fn test_compare_ints() {
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assert compare_ints(1, 2) == -1
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assert compare_ints(2, 1) == 1
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assert compare_ints(0, 0) == 0
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a := 1
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b := 2
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assert compare_ints(a, b) == -1
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assert compare_ints(b, a) == 1
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assert compare_ints(a, a) == 0
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}
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*/
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fn test_repeat() {
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{
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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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}
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{
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a := [1.1].repeat(10)
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assert a[0] == 1.1
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assert a[5] == 1.1
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assert a[9] == 1.1
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}
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{
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a := [i64(-123)].repeat(10)
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assert a[0] == -123
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assert a[5] == -123
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assert a[9] == -123
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}
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{
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a := [u64(123)].repeat(10)
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assert a[0] == 123
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assert a[5] == 123
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assert a[9] == 123
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}
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{
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a := [f64(1.1)].repeat(10)
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assert a[0] == f64(1.1)
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assert a[5] == f64(1.1)
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assert a[9] == f64(1.1)
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}
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{
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a := [1, 2].repeat(2)
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assert a[0] == 1
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assert a[1] == 2
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assert a[2] == 1
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assert a[3] == 2
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}
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{
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a := ['1', 'abc'].repeat(2)
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assert a[0] == '1'
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assert a[1] == 'abc'
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assert a[2] == '1'
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assert a[3] == 'abc'
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}
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{
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mut a := ['1', 'abc'].repeat(0)
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assert a.len == 0
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a << 'abc'
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assert a[0] == 'abc'
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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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c := a[1..a.len]
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d := a[1..]
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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_left() {
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a := [1, 2, 3]
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c := a[0..2]
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d := a[..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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a := [1, 2, 3, 4]
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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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struct Foooj {
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a [N]int
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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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pub fn (t Test2) str() string {
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return '{$t.one $t.two}'
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}
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pub fn (t Test) str() string {
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return '{$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: []
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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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fn test_sort() {
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mut a := ['hi', '1', '5', '3']
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a.sort()
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assert a[0] == '1'
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assert a[1] == '3'
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assert a[2] == '5'
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assert a[3] == 'hi'
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//
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mut nums := [67, -3, 108, 42, 7]
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nums.sort()
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assert nums[0] == -3
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assert nums[1] == 7
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assert nums[2] == 42
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assert nums[3] == 67
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assert nums[4] == 108
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}
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fn test_f32_sort() {
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mut f := [50.0, 15, 1, 79, 38, 0, 27]
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f.sort_with_compare(compare_f32)
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assert f[0] == 0.0
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assert f[1] == 1.0
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assert f[6] == 79.0
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}
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fn test_f64_sort() {
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mut f := [f64(50.0), 15, 1, 79, 38, 0, 27]
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f.sort_with_compare(compare_f64)
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assert f[0] == 0.0
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assert f[1] == 1.0
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assert f[6] == 79.0
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}
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fn test_i64_sort() {
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mut f := [i64(50), 15, 1, 79, 38, 0, 27]
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f.sort_with_compare(compare_i64)
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assert f[0] == 0
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assert f[1] == 1
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assert f[6] == 79
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}
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/*
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fn test_for_last() {
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numbers := [1, 2, 3, 4]
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mut s := '['
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for num in numbers {
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s += '$num'
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if !last {
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s += ', '
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}
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}
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s += ']'
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assert s == '[1, 2, 3, 4]'
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}
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*/
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struct Foo {
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mut:
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bar []int
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}
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fn test_in_struct() {
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mut baz := Foo{
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bar: [0, 0, 0]
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}
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baz.bar[0] += 2
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baz.bar[0]++
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assert baz.bar[0] == 3
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}
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fn test_bools() {
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println('test b')
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mut a := [true, false]
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a << true
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println(a)
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}
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fn test_push_many_self() {
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mut actual_arr := [1, 2, 3, 4]
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actual_arr << actual_arr
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expected_arr := [1, 2, 3, 4, 1, 2, 3, 4]
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assert actual_arr.len == expected_arr.len
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for i := 0; i < actual_arr.len; i++ {
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assert actual_arr[i] == expected_arr[i]
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}
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}
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fn test_for() {
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nums := [1,2,3]
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mut sum := 0
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for num <- nums {
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sum += num
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}
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assert sum == 6
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}
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fn test_clear() {
|
|
mut arr := [1,2,3]
|
|
assert arr.len == 3
|
|
arr.clear()
|
|
assert arr.len == 0
|
|
|
|
arr << 3
|
|
arr << 2
|
|
arr << 1
|
|
arr << 0
|
|
assert arr.len == 4
|
|
assert arr[0] == 3
|
|
assert arr[1] == 2
|
|
assert arr[2] == 1
|
|
assert arr[3] == 0
|
|
|
|
arr.clear()
|
|
assert arr.len == 0
|
|
}
|