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Posted to commits@commons.apache.org by er...@apache.org on 2019/10/01 13:19:23 UTC
[commons-numbers] branch master updated: Unit tests.
This is an automated email from the ASF dual-hosted git repository.
erans pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-numbers.git
The following commit(s) were added to refs/heads/master by this push:
new 9ad130f Unit tests.
9ad130f is described below
commit 9ad130f4dcec59f5e090f24f7292c81ec2ddd027
Author: Gilles Sadowski <gi...@harfang.homelinux.org>
AuthorDate: Tue Oct 1 15:18:01 2019 +0200
Unit tests.
---
.../org/apache/commons/numbers/field/FP64Test.java | 92 ++++++++++++++++++++++
.../commons/numbers/field/FieldParametricTest.java | 90 +++++++++++++++++++++
2 files changed, 182 insertions(+)
diff --git a/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FP64Test.java b/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FP64Test.java
new file mode 100644
index 0000000..cbd6137
--- /dev/null
+++ b/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FP64Test.java
@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.numbers.field;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Tests for {@link FP64}.
+ */
+public class FP64Test {
+ @Test
+ public void testConsistencyWithDouble() {
+ final double v = -5.67e89;
+ final Double a = Double.valueOf(v);
+ final FP64 b = FP64.of(v);
+
+ Assertions.assertEquals(a.doubleValue(), b.doubleValue(), 0d);
+ Assertions.assertEquals(a.floatValue(), b.floatValue(), 0f);
+ Assertions.assertEquals(a.intValue(), b.intValue());
+ Assertions.assertEquals(a.longValue(), b.longValue());
+ Assertions.assertEquals(a.byteValue(), b.byteValue());
+ Assertions.assertEquals(a.hashCode(), b.hashCode());
+ }
+
+ @Test
+ public void testOne() {
+ Assertions.assertEquals(1d, FP64.of(-3.4).one().doubleValue(), 0d);
+ }
+ @Test
+ public void testZero() {
+ Assertions.assertEquals(0d, FP64.of(-3.4).zero().doubleValue(), 0d);
+ }
+
+ @Test
+ public void testSubtract() {
+ final double a = 123.4;
+ final double b = 5678.9;
+
+ Assertions.assertEquals(a - b, FP64.of(a).subtract(FP64.of(b)).doubleValue(), 0d);
+ }
+ @Test
+ public void testDivide() {
+ final double a = 123.4;
+ final double b = 5678.9;
+
+ Assertions.assertEquals(a / b, FP64.of(a).divide(FP64.of(b)).doubleValue(), 0d);
+ }
+
+ @Test
+ public void testMultiplyInt() {
+ final double a = 123.4;
+ final int n = 3456789;
+
+ Assertions.assertEquals(n * a, FP64.of(a).multiply(n).doubleValue(), 0d);
+ }
+
+ @Test
+ public void testPowInt() {
+ final double a = 123.4;
+ final int n = 5;
+
+ Assertions.assertEquals(Math.pow(a, n), FP64.of(a).pow(n).doubleValue(), 0d);
+ }
+ @Test
+ public void testZeroPow() {
+ Assertions.assertSame(FP64.of(9876.5).one(), FP64.of(2.3456).pow(0));
+ }
+
+ @Test
+ public void testCompare() {
+ Assertions.assertTrue(FP64.of(0).compareTo(FP64.of(-1)) > 0);
+ Assertions.assertTrue(FP64.of(1).compareTo(FP64.of(2)) < 0);
+
+ final double v = 123.45;
+ Assertions.assertTrue(FP64.of(v).compareTo(FP64.of(v)) == 0);
+ }
+}
diff --git a/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FieldParametricTest.java b/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FieldParametricTest.java
index 4658a01..fa46bbc 100644
--- a/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FieldParametricTest.java
+++ b/commons-numbers-field/src/test/java/org/apache/commons/numbers/field/FieldParametricTest.java
@@ -22,6 +22,9 @@ import org.junit.jupiter.params.provider.MethodSource;
import java.util.stream.Stream;
+import org.apache.commons.numbers.core.Addition;
+import org.apache.commons.numbers.core.Multiplication;
+
/**
* Tests for fields.
*/
@@ -129,6 +132,93 @@ public class FieldParametricTest {
assertEquals(r1, r2);
}
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Addition<T>> void testAdd(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+ T b = data.getB();
+
+ final T r1 = field.add(a, b);
+ final T r2 = a.add(b);
+ assertEquals(r1, r2);
+ }
+
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Addition<T>> void testSubtract(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+ T b = data.getB();
+
+ final T r1 = field.subtract(a, b);
+ final T r2 = a.add(b.negate());
+ assertEquals(r1, r2);
+ }
+
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Addition<T>> void testMultiplyInt(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+ final int n = 5;
+
+ final T r1 = field.multiply(n, a);
+
+ T r2 = field.zero();
+ for (int i = 0; i < n; i++) {
+ r2 = r2.add(a);
+ }
+
+ assertEquals(r1, r2);
+ }
+
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Addition<T>> void testZero(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+
+ final T r1 = field.zero();
+ final T r2 = a.zero();
+ assertEquals(r1, r2);
+ }
+
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Multiplication<T>> void testMultiply(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+ T b = data.getB();
+
+ final T r1 = field.multiply(a, b);
+ final T r2 = a.multiply(b);
+ assertEquals(r1, r2);
+ }
+
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Multiplication<T>> void testDivide(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+ T b = data.getB();
+
+ final T r1 = field.divide(a, b);
+ final T r2 = a.multiply(b.reciprocal());
+ assertEquals(r1, r2);
+ }
+
+ @ParameterizedTest
+ @MethodSource("getList")
+ public <T extends Multiplication<T>> void testOne(FieldTestData<T> data) {
+ Field<T> field = data.getField();
+ T a = data.getA();
+
+ final T r1 = field.one();
+ final T r2 = a.one();
+ assertEquals(r1, r2);
+ }
+
/**
* @param a Instance.
* @param b Instance.