Improve ejer3

Author: micaelgallego

tema1_2_ejer3/src/test/java/es/codeurjc/test/complex/ComplexAbs2Test.java

@@ -0,0 +1,48 @@
+package es.codeurjc.test.complex;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.stream.Stream;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import es.codeurjc.test.complex.Complex;
+
+public class ComplexAbs2Test {
+
+	static class ComplexAndValue {
+
+		public Complex complex;
+		public double value;
+
+		public ComplexAndValue(Complex complex, double value) {
+			this.complex = complex;
+			this.value = value;
+		}
+	}
+
+	@ParameterizedTest
+	@MethodSource("values")
+	public void absoluteTest(ComplexAndValue complexAndValue) {
+
+		Complex complex = complexAndValue.complex;
+		double abs = complexAndValue.value;
+
+		assertEquals(complex.abs(), abs, 0.001);
+	}
+
+	public static Stream<ComplexAndValue> values() {
+		return Stream.of(
+			new ComplexAndValue(new Complex(0, 0), 0), 
+			new ComplexAndValue(new Complex(1, 1), 1.41421),
+			new ComplexAndValue(new Complex(2, 2), 2.82843), 
+			new ComplexAndValue(new Complex(5, 5), 7.07107),
+			new ComplexAndValue(new Complex(10, 10), 14.1421), 
+			new ComplexAndValue(new Complex(10, 1), 10.0498),
+			new ComplexAndValue(new Complex(20, 2), 20.099)
+		);
+	}
+
+}

tema1_2_ejer3/src/test/java/es/codeurjc/test/complex/ComplexAbsTest.java

@@ -19,10 +19,10 @@ public class ComplexAbsTest {
 		"10, 1, 10.0498",
 		"20, 2, 20.099"
 		})
-	public void absoluteTest(double real, double imag, double result) {
+	public void absoluteTest(double real, double imag, double abs) {
 
 		Complex complex = new Complex(real, imag);
-		assertEquals(complex.abs(), result, 0.001);
+		assertEquals(complex.abs(), abs, 0.001);
 	}
 
 }