import TestLib;

import TestLib;

StartTest("fields");

{
int[] z = {1, 2, 3};
assert(z.length == 3);
int[] keys = z.keys;
assert(keys.length == 3);
for (int i; i<3; ++i)
assert(keys[i] == i);
for (int j = 0; j < 10; ++j) {
assert(z.cyclic == false);
z.cyclic=true;
assert(z.cyclic == true);
z.cyclic=false;
}
}

{
int[] z = {2, 3, 5};
for (int k = -100; k <= 100; ++k)
assert(z.initialized(k) == (k >= 0 && k < 3));
}

{
int[] z;
for (int i=0; i<10; ++i) {
for (int k = 0; k <= 100; ++k) {
assert(z.length == k);
z.push(k*k+3k+1);
assert(z.length == k+1);
}
for (int k = 100; k >= 0; --k) {
assert(z.length == k+1);
assert(z.pop() == k*k+3k+1);
assert(z.length == k);
}
}
z.cyclic=true;
for (int i=0; i<10; ++i) {
for (int k = 0; k <= 100; ++k) {
assert(z.length == k);
z.push(k*k+3k+1);
assert(z.length == k+1);
}
for (int k = 100; k >= 0; --k) {
assert(z.length == k+1);
z.delete(quotient(k,2));
assert(z.length == k);
}
}
}

{
int[] base={4,5,9,5,0,2,3};
int[] z;
for (int i=0; i<9; ++i) {
assert(z.length == i*base.length);
for (int j : z.keys)
assert(z[j] == base[j%base.length]);
z.append(base);
}
}

{
int[] z = {1,2,3,4,6,7,8,9};
assert(z.length == 8);
z.insert(4, 5);
assert(z.length == 9);
z.insert(0, 0);
assert(z.length == 10);
for (int i=0; i<10; ++i)
assert(z[i] == i);
z.insert(7, 100, 101, 102, 103);
assert(z.length == 14);

// TODO: Test inserting/deleting lengths more seriously.
}

{
// Test extended for.
int[] a = {1,4,6,2,7,4,8,9,1,3,-1};
int i = 0;
for (int x : a) {
assert(x == a[i]);
++i;
}
assert(i == a.length);
}

{
// Test extended for.
int[] a = {1,4,6,2,7,4,8,9,1,3,-1};
int i = 0;
for (var x : a) {
assert(x == a[i]);
++i;
}
assert(i == a.length);
}

EndTest();