diff options
author | Haidong Ji | 2018-08-19 15:28:15 -0500 |
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committer | Haidong Ji | 2018-08-19 15:28:15 -0500 |
commit | b3a6f3bc47098c81bef2c7d16690a5801149dbd8 (patch) | |
tree | 6646dbeefa43ec4f8fcc05c47985c1496a8aea76 /AlgoDesignAndTechniqueEdxJava/tests/GcdLcmTest.java | |
parent | e56fcf9023ba43919cae20393a2b85d89206271c (diff) |
Least Common Multiple done!
Learned two interesting things:
1. Use GCD to get LCM https://www.idomaths.com/hcflcm.php#formula
2. To make a literal of numbers long, add L at the end of the number!
Diffstat (limited to 'AlgoDesignAndTechniqueEdxJava/tests/GcdLcmTest.java')
-rw-r--r-- | AlgoDesignAndTechniqueEdxJava/tests/GcdLcmTest.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/AlgoDesignAndTechniqueEdxJava/tests/GcdLcmTest.java b/AlgoDesignAndTechniqueEdxJava/tests/GcdLcmTest.java new file mode 100644 index 0000000..26806ce --- /dev/null +++ b/AlgoDesignAndTechniqueEdxJava/tests/GcdLcmTest.java @@ -0,0 +1,48 @@ +import static org.junit.jupiter.api.Assertions.*; +import org.junit.jupiter.api.Test; + +public class GcdLcmTest { + @Test + void testGCD1() { + assertEquals(1, GcdLcm.getGCD(18, 35)); + } + @Test + void testGCD2() { + assertEquals(17657, GcdLcm.getGCD(28851538, 1183019)); + } + + @Test + void testGCD3() { + assertEquals(7, GcdLcm.getGCD(1344, 217)); + } + + @Test + void testGCD4() { + assertEquals(1344, GcdLcm.getGCD(1344, 1344)); + } + + @Test + void testGCD5() { + assertEquals(4, GcdLcm.getGCD(14159572, 63967072)); + } + + @Test + void testGCD6() { + assertEquals(4, GcdLcm.getGCD(63967072,14159572)); + } + + @Test + void testLCM1() { + assertEquals(24, GcdLcm.getLCM(6,8)); + } + + @Test + void testLCM2() { + assertEquals(1933053046, GcdLcm.getLCM(28851538, 1183019)); + } + + @Test + void testLCM3() { + assertEquals(226436590403296L, GcdLcm.getLCM(14159572, 63967072)); + } +} |