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/* eslint id-length: 0, no-shadow: 0, no-unused-vars: 0 */
"use strict";
var aFrom = require("es5-ext/array/from")
, memoize = require("../..");
module.exports = function () {
return {
"One arg": function (a) {
var i = 0
, fn = function (x) {
++i;
return x;
}
, mfn
, y = {
toString: function () {
return "foo";
}
};
mfn = memoize(fn, { primitive: true });
a(mfn(y), y, "#1");
a(mfn("foo"), y, "#2");
a(i, 1, "Called once");
},
"No args": function (a) {
var i = 0
, fn = function () {
++i;
return "foo";
}
, mfn
, y = {
toString: function () {
return "foo";
}
};
mfn = memoize(fn);
a(mfn._has(), false);
a(mfn(), "foo", "#1");
a(mfn._has(), true);
mfn();
a(i, 1, "Called once");
},
"Clear cache": function (a) {
var i = 0
, fn = function (x, y, z) {
++i;
return x + y + z;
}
, mfn
, y = {
toString: function () {
return "foo";
}
};
mfn = memoize(fn, { primitive: true });
a(mfn(y, "bar", "zeta"), "foobarzeta", "#1");
a(mfn("foo", "bar", "zeta"), "foobarzeta", "#2");
a(i, 1, "Called once");
mfn.delete(
"foo",
{
toString: function () {
return "bar";
}
},
"zeta"
);
a(mfn(y, "bar", "zeta"), "foobarzeta", "#3");
a(i, 2, "Called twice");
},
"_get": function (a) {
var fn = function (x) {
return x;
}
, mfn;
mfn = memoize(fn);
a(mfn._get("foo"), undefined);
mfn("foo");
a(mfn._get("foo"), "foo");
},
"_has": function (a) {
var fn = function (x) {
return x;
}
, mfn;
mfn = memoize(fn);
a(mfn._has("foo"), false);
mfn("foo");
a(mfn._has("foo"), true);
},
"Circular": function (a) {
var i = 0, fn;
fn = memoize(function (x) {
if (++i < 2) fn(x);
});
a.throws(function () {
fn("foo");
}, "CIRCULAR_INVOCATION");
i = 0;
fn = memoize(function (x, y) {
if (++i < 2) fn(x, y);
});
a.throws(function () {
fn("foo", "bar");
}, "CIRCULAR_INVOCATION");
},
"Resolvers": function () {
var i = 0, fn, r;
fn = memoize(
function () {
++i;
return arguments;
},
{ length: 3, resolvers: [Boolean, String] }
);
return {
"No args": function (a) {
i = 0;
a.deep(aFrom(r = fn()), [false, "undefined"], "First");
a(fn(), r, "Second");
a(fn(), r, "Third");
a(i, 1, "Called once");
},
"One arg": function (a) {
var fn = memoize(
function (elo) {
++i;
return arguments;
},
{ resolvers: [Boolean] }
);
a.deep(aFrom(r = fn("elo")), [true], "First");
},
"Some Args": function (a) {
var x = {};
i = 0;
a.deep(aFrom(r = fn(0, 34, x, 45)), [false, "34", x, 45], "First");
a(fn(0, 34, x, 22), r, "Second");
a(fn(0, 34, x, false), r, "Third");
a(i, 1, "Called once");
return {
Other: function (a) {
a.deep(aFrom(r = fn(1, 34, x, 34)), [true, "34", x, 34], "Second");
a(fn(1, 34, x, 89), r, "Third");
a(i, 2, "Called once");
}
};
}
};
}
};
};