switch to vuepress

1 files changed, 153 insertions, 0 deletions

diff --git a/node_modules/foreach/test.js b/node_modules/foreach/test.js
new file mode 100644
index 00000000..c6283c3c
--- /dev/null
+++ b/node_modules/foreach/test.js
@@ -0,0 +1,153 @@
+var test = require('tape');
+var forEach = require('./index.js');
+
+
+test('second argument: iterator', function (t) {
+    var arr = [];
+    t.throws(function () { forEach(arr); }, TypeError, 'undefined is not a function');
+    t.throws(function () { forEach(arr, null); }, TypeError, 'null is not a function');
+    t.throws(function () { forEach(arr, ''); }, TypeError, 'string is not a function');
+    t.throws(function () { forEach(arr, /a/); }, TypeError, 'regex is not a function');
+    t.throws(function () { forEach(arr, true); }, TypeError, 'true is not a function');
+    t.throws(function () { forEach(arr, false); }, TypeError, 'false is not a function');
+    t.throws(function () { forEach(arr, NaN); }, TypeError, 'NaN is not a function');
+    t.throws(function () { forEach(arr, 42); }, TypeError, '42 is not a function');
+    t.doesNotThrow(function () { forEach(arr, function () {}); }, 'function is a function');
+    t.end();
+});
+
+test('array', function (t) {
+    var arr = [1, 2, 3];
+
+    t.test('iterates over every item', function (st) {
+        var index = 0;
+        forEach(arr, function () { index += 1; });
+        st.equal(index, arr.length, 'iterates ' + arr.length + ' times');
+        st.end();
+    });
+
+    t.test('first iterator argument', function (st) {
+        var index = 0;
+        st.plan(arr.length);
+        forEach(arr, function (item) {
+            st.equal(arr[index], item, 'item ' + index + ' is passed as first argument');
+            index += 1;
+        });
+        st.end();
+    });
+
+    t.test('second iterator argument', function (st) {
+        var counter = 0;
+        st.plan(arr.length);
+        forEach(arr, function (item, index) {
+            st.equal(counter, index, 'index ' + index + ' is passed as second argument');
+            counter += 1;
+        });
+        st.end();
+    });
+
+    t.test('third iterator argument', function (st) {
+        st.plan(arr.length);
+        forEach(arr, function (item, index, array) {
+            st.deepEqual(arr, array, 'array is passed as third argument');
+        });
+        st.end();
+    });
+
+    t.test('context argument', function (st) {
+        var context = {};
+        st.plan(1);
+        forEach([1], function () {
+            st.equal(this, context, '"this" is the passed context');
+        }, context);
+        st.end();
+    });
+
+    t.end();
+});
+
+test('object', function (t) {
+    var obj = {
+        a: 1,
+        b: 2,
+        c: 3
+    };
+    var keys = ['a', 'b', 'c'];
+
+    var F = function () {
+        this.a = 1;
+        this.b = 2;
+    };
+    F.prototype.c = 3;
+    var fKeys = ['a', 'b'];
+
+    t.test('iterates over every object literal key', function (st) {
+        var counter = 0;
+        forEach(obj, function () { counter += 1; });
+        st.equal(counter, keys.length, 'iterated ' + counter + ' times');
+        st.end();
+    });
+
+    t.test('iterates only over own keys', function (st) {
+        var counter = 0;
+        forEach(new F(), function () { counter += 1; });
+        st.equal(counter, fKeys.length, 'iterated ' + fKeys.length + ' times');
+        st.end();
+    });
+
+    t.test('first iterator argument', function (st) {
+        var index = 0;
+        st.plan(keys.length);
+        forEach(obj, function (item) {
+            st.equal(obj[keys[index]], item, 'item at key ' + keys[index] + ' is passed as first argument');
+            index += 1;
+        });
+        st.end();
+    });
+
+    t.test('second iterator argument', function (st) {
+        var counter = 0;
+        st.plan(keys.length);
+        forEach(obj, function (item, key) {
+            st.equal(keys[counter], key, 'key ' + key + ' is passed as second argument');
+            counter += 1;
+        });
+        st.end();
+    });
+
+    t.test('third iterator argument', function (st) {
+        st.plan(keys.length);
+        forEach(obj, function (item, key, object) {
+            st.deepEqual(obj, object, 'object is passed as third argument');
+        });
+        st.end();
+    });
+
+    t.test('context argument', function (st) {
+        var context = {};
+        st.plan(1);
+        forEach({ a: 1 }, function () {
+            st.equal(this, context, '"this" is the passed context');
+        }, context);
+        st.end();
+    });
+
+    t.end();
+});
+
+
+test('string', function (t) {
+    var str = 'str';
+    t.test('second iterator argument', function (st) {
+        var counter = 0;
+        st.plan(str.length * 2 + 1);
+        forEach(str, function (item, index) {
+            st.equal(counter, index, 'index ' + index + ' is passed as second argument');
+            st.equal(str.charAt(index), item);
+            counter += 1;
+        });
+        st.equal(counter, str.length, 'iterates ' + str.length + ' times');
+    });
+    t.end();
+});
+