HaxeFoundation.haxe/tests/unit/unitstd/Array.unit.hx

// length
[].length == 0;
[1].length == 1;
var a = [];
a[4] = 1;
a.length == 5;

// concat
[].concat([]) == [];
[1].concat([]) == [1];
[].concat([1]) == [1];
[1].concat([2]) == [1,2];
[1,2].concat([2,1]) == [1,2,2,1];

// join
[1,2].join("") == "12";
[].join("x") == "";
[1].join("x") == "1";
[1,2].join("x") == "1x2";
[].join("") == "";
[new ClassWithToString(), new ClassWithToStringChild(), new ClassWithToStringChild2()].join("_") == "ClassWithToString.toString()_ClassWithToString.toString()_ClassWithToStringChild2.toString()";

// pop
[].pop() == null;
[1].pop() == 1;
var a = [1, 2, 3];
var b = a;
a.pop() == 3;
a == [1, 2];
a == b;
a.pop() == 2;
a == [1];
a == b;
a.pop() == 1;
a == [];
a == b;
a.pop() == null;
a == [];
a == b;

// push
var a:Array<Null<Int>> = [];
var b = a;
a.push(1) == 1;
a == b;
a == [1];
a.push(2) == 2;
a == b;
a == [1, 2];
a.push(null) == 3;
a == [1, 2, null];

// reverse
var a = [1, 2, 3];
var b = a;
a.reverse();
a == b;
a == [3, 2, 1];
var a = [];
a.reverse();
a == [];
var a = [1];
a.reverse();
a == [1];

// shift
[].shift() == null;
[1].shift() == 1;
var a = [1, 2, 3];
var b = a;
a.shift() == 1;
a == [2, 3];
a == b;
a.shift() == 2;
a == [3];
a == b;
a.shift() == 3;
a == [];
a == b;
a.shift() == null;
a == [];
a == b;

// slice
var i0 = new IntWrap(1);
var i1 = new IntWrap(1);
var i2 = new IntWrap(5);
var i3 = new IntWrap(9);
var i4 = new IntWrap(2);
var a = [i4,i0,i1,i3,i0,i2];
var b = a.slice(0);
b != a;
b == [i4, i0, i1, i3, i0, i2];
b = b.slice(1);
b == [i0, i1, i3, i0, i2];
b = b.slice(1, 3);
b == [i1, i3];
b = b.slice( -1);
b == [i3];
b = b.slice(0, 4);
b == [i3];
b.slice( -3) == [i3];
b.slice( -3, -3) == [];
[1, 2, 3].slice(2, 1) == [];

// sort
var i0 = new IntWrap(1);
var i1 = new IntWrap(1);
var i2 = new IntWrap(5);
var i3 = new IntWrap(9);
var i4 = new IntWrap(2);
var a = [i4, i0, i1, i3, i0, i2];
haxe.ds.ArraySort.sort(a, IntWrap.compare);
a == [i0, i1, i0, i4, i2, i3];

// splice
var i0 = new IntWrap(1);
var i1 = new IntWrap(1);
var i2 = new IntWrap(5);
var i3 = new IntWrap(9);
var i4 = new IntWrap(2);
var b = [i4, i0, i1, i3, i0, i2];
var a = b.splice(0, 0);
b != a;
a == [];
b == [i4, i0, i1, i3, i0, i2];
a = b.splice(1, b.length - 1);
b == [i4];
a == [i0, i1, i3, i0, i2];
b = a.splice(1, -1);
a == [i0, i1, i3, i0, i2];
b == [];
b = a.splice(0, 10);
b == [i0, i1, i3, i0, i2];
a == [];
a = b.splice(10, 10);
a == [];
b = [i0, i1, i3, i0, i2];
a = b.splice( -2, 2);
b == [i0, i1, i3];
a == [i0, i2];

// toString
var a = [new ClassWithToString(), new ClassWithToStringChild(), new ClassWithToStringChild2()];
var comp = "ClassWithToString.toString(),ClassWithToString.toString(),ClassWithToStringChild2.toString()";
a.toString() in [comp, "[" + comp + "]"];

// unshift
var a:Array<Null<Int>> = [];
var b = a;
a.unshift(1);
a == b;
a == [1];
a.unshift(2);
a == b;
a == [2, 1];
a.unshift(null);
a == [null, 2, 1];

// insert
var a = [];
a.insert(5, 1);
a == [1];
var a = [1, 2, 3];
a.insert(1, 4);
a == [1, 4, 2, 3];
var a = [1, 2, 3];
a.insert( -1, 4);
a == [1, 2, 4, 3];
a.insert( -2, 8);
a == [1, 2, 8, 4, 3];
a.insert ( -8, 9);
a == [9, 1, 2, 8, 4, 3];

// remove
var i0 = new IntWrap(1);
var i1 = new IntWrap(1);
var i2 = new IntWrap(5);
var i3 = new IntWrap(9);
var i4 = new IntWrap(2);
var a = [i4, i0, i1, i3, i0, i2];
a.remove(i0) == true;
a == [i4, i1, i3, i0, i2];
a.remove(i0) == true;
a == [i4, i1, i3, i2];
a.remove(i0) == false;
a == [i4, i1, i3, i2];
var a = ["foo", "bar"];
a.remove("foo") == true;
a == ["bar"];
var a = [i0, null, i1, null, null];
a.remove(null) == true;
a == [i0, i1, null, null];
a.remove(null) == true;
a == [i0, i1, null];
a.remove(null) == true;
a == [i0, i1];
a.remove(null) == false;
a == [i0, i1];

// copy
var i0 = new IntWrap(1);
var i1 = new IntWrap(1);
var i2 = new IntWrap(5);
var a = [i0, i1, i2];
var b = a.copy();
a != b;
b == [i0, i1, i2];
var a = [];
var b = a.copy();
a != b;
b == [];

// map
[1, 2, 3].map(function(i) return i * 2) == [2, 4, 6];
var a = [new IntWrap(1), new IntWrap(2)];
var b = a.map(function(x) return x);
a != b;
b.length == a.length;
a[0] == b[0];
a[1] == b[1];
var func = function(s) return s.toUpperCase();
["foo", "bar"].map(func) == ["FOO", "BAR"];
[].map(func) == [];

// filter
[1, 2, 3, 4].filter(function(i) return i < 3) == [1, 2];
[1, 2, 3, 4].filter(function(i) return true) == [1, 2, 3, 4];
[1, 2, 3, 4].filter(function(i) return false) == [];
[].filter(function(i) return true) == [];
[].filter(function(i) return false) == [];
var arr = [{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}];
arr = arr.filter(function(i) return i.id % 2 != 0);
var values = [];
for (a in arr) values.push(a.id);
values == [1, 3, 5];

#if !as3
// check that map and filter work well on Dynamic as well
var a : Dynamic = [0,1,2];
var b : Dynamic = a.filter(function(x) return x & 1 == 0).map(function(x) return x * 10);
b.length == 2;
b[0] = 0;
b[1] = 20;
#end