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