From 0ff580f99579cd4424af7b814bd76fcb69a2b04e Mon Sep 17 00:00:00 2001 From: Jordan Harband Date: Sat, 10 Aug 2019 14:58:24 -0700 Subject: [PATCH] [Tests] add tests --- package.json | 8 +++++-- test/index.js | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 2 deletions(-) create mode 100644 test/index.js diff --git a/package.json b/package.json index 3706dd1..0b6f336 100644 --- a/package.json +++ b/package.json @@ -6,7 +6,8 @@ "scripts": { "lint": "eslint .", "pretest": "npm run lint", - "test": "echo \"Error: no test specified\" && exit 1" + "tests-only": "node test", + "test": "npm run tests-only" }, "repository": { "type": "git", @@ -35,6 +36,9 @@ }, "devDependencies": { "@ljharb/eslint-config": "^14.0.2", - "eslint": "^6.1.0" + "eslint": "^6.1.0", + "has-symbols": "^1.0.0", + "object-inspect": "^1.6.0", + "tape": "^4.11.0" } } diff --git a/test/index.js b/test/index.js new file mode 100644 index 0000000..f9ea998 --- /dev/null +++ b/test/index.js @@ -0,0 +1,66 @@ +'use strict'; + +var test = require('tape'); +var inspect = require('object-inspect'); +var whichBoxedPrimitive = require('..'); + +var debug = function (v, m) { return inspect(v) + ' ' + m; }; + +var forEach = function (arr, func) { + var i; + for (i = 0; i < arr.length; ++i) { + func(arr[i], i, arr); + } +}; + +var hasSymbols = require('has-symbols')(); +var hasBigInts = typeof BigInt === 'function'; + +var primitives = [ + true, + false, + 42, + NaN, + Infinity, + '', + 'foo' +].concat( + hasSymbols ? [Symbol(), Symbol.iterator] : [], + hasBigInts ? BigInt(42) : [] +); + +var objects = [ + /a/g, + new Date(), + function () {}, + [], + {} +]; + +test('isBoxedPrimitive', function (t) { + t.test('unboxed primitives', function (st) { + forEach([null, undefined].concat(primitives), function (primitive) { + st.equal(null, whichBoxedPrimitive(primitive), debug(primitive, 'is a primitive, but not a boxed primitive')); + }); + st.end(); + }); + + t.test('boxed primitives', function (st) { + forEach(primitives, function (primitive) { + var boxed = Object(primitive); + var expected = boxed.constructor.name; + st.equal(typeof expected, 'string', 'expected is string'); + st.equal(whichBoxedPrimitive(boxed), expected, debug(boxed, 'is a boxed primitive: ' + expected)); + }); + st.end(); + }); + + t.test('non-primitive objects', function (st) { + forEach(objects, function (object) { + st.equal(undefined, whichBoxedPrimitive(object), debug(object, 'is not a primitive, boxed or otherwise')); + }); + st.end(); + }); + + t.end(); +});