Merge branch 'new-documentation-0.3.1' into develop

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diff --git a/src/test/java/sevenUnits/utils/ObjectProductTest.java b/src/test/java/sevenUnits/utils/ObjectProductTest.java
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+++ b/src/test/java/sevenUnits/utils/ObjectProductTest.java
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+/**
+ * Copyright (C) 2018 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package sevenUnits.utils;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static sevenUnits.unit.Metric.Dimensions.AREA;
+import static sevenUnits.unit.Metric.Dimensions.ENERGY;
+import static sevenUnits.unit.Metric.Dimensions.LENGTH;
+import static sevenUnits.unit.Metric.Dimensions.MASS;
+import static sevenUnits.unit.Metric.Dimensions.MASS_DENSITY;
+import static sevenUnits.unit.Metric.Dimensions.QUANTITY;
+import static sevenUnits.unit.Metric.Dimensions.TIME;
+import static sevenUnits.unit.Metric.Dimensions.VOLUME;
+
+import org.junit.jupiter.api.Test;
+
+import sevenUnits.unit.Metric;
+import sevenUnits.utils.ObjectProduct;
+
+/**
+ * Tests for {@link ObjectProduct} using BaseDimension as a test object. This is NOT part of this program's public API.
+ * 
+ * @author Adrien Hopkins
+ * @since 2018-12-12
+ * @since v0.1.0
+ */
+class ObjectProductTest {
+	/**
+	 * Tests {@link UnitDimension#equals}
+	 * 
+	 * @since 2018-12-12
+	 * @since v0.1.0
+	 */
+	@Test
+	public void testEquals() {
+		assertEquals(LENGTH, LENGTH);
+		assertFalse(LENGTH.equals(QUANTITY));
+	}
+
+	/**
+	 * Tests {@code UnitDimension}'s exponentiation
+	 * 
+	 * @since 2019-01-15
+	 * @since v0.1.0
+	 */
+	@Test
+	public void testExponents() {
+		assertEquals(1, LENGTH.getExponent(Metric.BaseDimensions.LENGTH));
+		assertEquals(3, VOLUME.getExponent(Metric.BaseDimensions.LENGTH));
+	}
+
+	/**
+	 * Tests {@code UnitDimension}'s multiplication and division.
+	 * 
+	 * @since 2018-12-12
+	 * @since v0.1.0
+	 */
+	@Test
+	public void testMultiplicationAndDivision() {
+		assertEquals(AREA, LENGTH.times(LENGTH));
+		assertEquals(MASS_DENSITY, MASS.dividedBy(VOLUME));
+		assertEquals(ENERGY, AREA.times(MASS).dividedBy(TIME).dividedBy(TIME));
+		assertEquals(LENGTH, LENGTH.times(TIME).dividedBy(TIME));
+	}
+}