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node_modules/for-each-property/test/main.test.js

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+'use strict';
+
+const assert = require('assert');
+const forEachProperty = require('../');
+const testDataSet = require('./test.data.js');
+
+testDataSet.forEach(testData => {
+	describe(testData.name, function() {
+		describe(`forEachOwnEnumerableProperty :: enumerability: 'enumerable', inherited: false`, function() {
+			testMethod(forEachProperty, testData.ref, testData.forEachOwnEnumerableProperty, { enumerability: 'enumerable', inherited: false });
+		});
+
+		describe(`forEachOwnNonenumerableProperty :: enumerability: 'nonenumerable', inherited: false`, function() {
+			testMethod(forEachProperty, testData.ref, testData.forEachOwnNonenumerableProperty, { enumerability: 'nonenumerable', inherited: false });
+		});
+
+		describe(`forEachOwnEnumerableAndNonenumerableProperty :: enumerability: 'all', inherited: false`, function() {
+			testMethod(forEachProperty, testData.ref, testData.forEachOwnEnumerableAndNonenumerableProperty, { enumerability: 'all', inherited: false });
+		});
+
+		describe(`forEachEnumerableProperty :: enumerability: 'enumerable', inherited: true`, function() {
+			testMethod(forEachProperty, testData.ref, testData.forEachEnumerableProperty, { enumerability: 'enumerable', inherited: true });
+		});
+
+		describe(`forEachNonenumerableProperty :: enumerability: 'nonenumerable', inherited: true`, function() {
+			testMethod(forEachProperty, testData.ref, testData.forEachNonenumerableProperty, { enumerability: 'nonenumerable', inherited: true });
+		});
+
+		describe(`forEachEnumerableAndNonenumerableProperty :: enumerability: 'all', inherited: true`, function() {
+			testMethod(forEachProperty, testData.ref, testData.forEachEnumerableAndNonenumerableProperty, { enumerability: 'all', inherited: true });
+		});
+	});
+});
+
+function testMethod(methodToTest, ref, propsExpected, options) {
+	const propsFound = [];
+
+	it(`must find the same number of props expected`, function() {
+		methodToTest(ref, (value, key, o) => {
+			propsFound.push(key);
+		}, options);
+
+		assert.equal(propsFound.length, propsExpected.length);
+	});
+
+	it(`must find every prop expected`, function() {
+		assert(propsFound.every(prop => propsExpected.includes(prop)));
+	});
+}