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44 lines (37 loc) · 1.69 KB
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package com.crypto.codec;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
class Base64Test {
/*
* Test vectors are taken from:
* https://tools.ietf.org/html/rfc4648#section-10
*/
@Test
void TestBase64Encode() {
Assertions.assertEquals("", Base64.encode("".getBytes()));
Assertions.assertEquals("Zg==", Base64.encode("f".getBytes()));
Assertions.assertEquals("Zm8=", Base64.encode("fo".getBytes()));
Assertions.assertEquals("Zm9v", Base64.encode("foo".getBytes()));
Assertions.assertEquals("Zm9vYg==", Base64.encode("foob".getBytes()));
Assertions.assertEquals("Zm9vYmE=", Base64.encode("fooba".getBytes()));
Assertions.assertEquals("Zm9vYmFy", Base64.encode("foobar".getBytes()));
}
@Test
void TestBase64Decode() {
Assertions.assertArrayEquals("".getBytes(), Base64.decode(""));
Assertions.assertArrayEquals("f".getBytes(), Base64.decode("Zg=="));
Assertions.assertArrayEquals("fo".getBytes(), Base64.decode("Zm8="));
Assertions.assertArrayEquals("foo".getBytes(), Base64.decode("Zm9v"));
Assertions.assertArrayEquals("foob".getBytes(), Base64.decode("Zm9vYg=="));
Assertions.assertArrayEquals("fooba".getBytes(), Base64.decode("Zm9vYmE="));
Assertions.assertArrayEquals("foobar".getBytes(), Base64.decode("Zm9vYmFy"));
}
@Test
void testInvalidBase64String() {
Assertions.assertThrows(IllegalArgumentException.class, () -> Base64.decode("Z/+v&mF="));
}
@Test
void testInvalidLengthOfBase64String() {
Assertions.assertThrows(IllegalArgumentException.class, () -> Base64.decode("Zm9v" + "YmFy" + "d"));
}
}