Initial commit

node_modules/doiuse/test/missing-support.js

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+var test = require('tape')
+var missingSupport = require('../lib/missing-support')
+var hasKeys = require('./has-keys')
+
+test('provides list of selected browsers', function (t) {
+  var data
+  data = missingSupport(['ie >= 8'])
+    .browsers.sort(function (a, b) {
+      return Number(a[1]) - Number(b[1])
+    })
+  t.deepEqual(data, [
+    [
+      'ie',
+      '8'
+    ],
+    [
+      'ie',
+      '9'
+    ],
+    [
+      'ie',
+      '10'
+    ],
+    [
+      'ie',
+      '11'
+    ]
+  ])
+
+  t.end()
+})
+
+test('for browser request ie >= 7, safari >= 6, opera >= 10.1', function (t) {
+  var data = missingSupport([
+    'ie >= 7',
+    'safari >= 6',
+    'opera >= 10.1'
+  ]).features
+
+  var bgimgopts = data['background-img-opts']
+  hasKeys(t, bgimgopts, ['missing', 'partial', 'title', 'missingData', 'partialData', 'caniuseData'])
+
+  var missing = bgimgopts.missingData
+  var partial = bgimgopts.partialData
+  hasKeys(t, missing, ['ie'])
+  hasKeys(t, missing.ie, ['7', '8'])
+  hasKeys(t, partial, ['safari', 'opera'])
+  hasKeys(t, partial.safari, ['6', '6.1'])
+  hasKeys(t, partial.opera, ['10.0-10.1'])
+  t.end()
+})
+
+test('partialData only yields features partially supported by selected browser', function (t) {
+  var data, f, featureData, p
+  data = missingSupport(['ie 8']).features
+  var partial = []
+  for (p in data) {
+    if (data[p].partialData) {
+      partial.push(data[p])
+    }
+  }
+  for (f in partial) {
+    featureData = partial[f]
+    hasKeys(t, featureData.partialData, ['ie'])
+  }
+  t.end()
+})
+
+test('missingData only yields features not supported by selected browser', function (t) {
+  var data, f, featureData, m
+  data = missingSupport(['ie 8']).features
+  var missing = []
+  for (m in data) {
+    if (data[m].missingData) {
+      missing.push(data[m])
+    }
+  }
+  for (f in missing) {
+    featureData = missing[f]
+    hasKeys(t, featureData.missingData, ['ie'])
+  }
+  t.end()
+})