[commons-numbers] 04/06: Unit tests.

[erans]

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

commit f27b5da7dea235b2529294fb62ef40589544da52
Author: Gilles Sadowski <gil...@harfang.homelinux.org>
AuthorDate: Fri Nov 1 23:53:46 2019 +0100

    Unit tests.
---
 .../commons/numbers/fraction/FractionTest.java     | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git 
a/commons-numbers-fraction/src/test/java/org/apache/commons/numbers/fraction/FractionTest.java
 
b/commons-numbers-fraction/src/test/java/org/apache/commons/numbers/fraction/FractionTest.java
index 6b867b6..aea3d01 100644
--- 
a/commons-numbers-fraction/src/test/java/org/apache/commons/numbers/fraction/FractionTest.java
+++ 
b/commons-numbers-fraction/src/test/java/org/apache/commons/numbers/fraction/FractionTest.java
@@ -504,12 +504,26 @@ public class FractionTest {
     public void testParse() {
         String[] validExpressions = new String[] {
             "1 / 2",
+            "-1 / 2",
+            "1 / -2",
+            "-1 / -2",
+            "01 / 2",
+            "01 / 02",
+            "-01 / 02",
+            "01 / -02",
             "15 / 16",
             "-2 / 3",
             "8 / 7"
         };
         Fraction[] fractions = {
             Fraction.of(1, 2),
+            Fraction.of(-1, 2),
+            Fraction.of(1, -2),
+            Fraction.of(-1, -2),
+            Fraction.of(1, 2),
+            Fraction.of(1, 2),
+            Fraction.of(-1, 2),
+            Fraction.of(1, -2),
             Fraction.of(15, 16),
             Fraction.of(-2, 3),
             Fraction.of(8, 7),
@@ -520,5 +534,16 @@ public class FractionTest {
                                     Fraction.parse(validExpressions[inc]));
             inc++;
         }
+
+        {
+            Assertions.assertThrows(NumberFormatException.class,
+                                    () -> Fraction.parse("1 // 2"));
+            Assertions.assertThrows(NumberFormatException.class,
+                                    () -> Fraction.parse("1 / z"));
+            Assertions.assertThrows(NumberFormatException.class,
+                                    () -> Fraction.parse("1 / --2"));
+            Assertions.assertThrows(NumberFormatException.class,
+                                    () -> Fraction.parse("x"));
+        }
     }
 }