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-rw-r--r--core/encoding/base32/base32_test.odin227
1 files changed, 227 insertions, 0 deletions
diff --git a/core/encoding/base32/base32_test.odin b/core/encoding/base32/base32_test.odin
new file mode 100644
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+++ b/core/encoding/base32/base32_test.odin
@@ -0,0 +1,227 @@
+package encoding_base32
+
+import "core:testing"
+import "core:bytes"
+
+@(test)
+test_base32_decode_valid :: proc(t: ^testing.T) {
+ // RFC 4648 Section 10 - Test vectors
+ cases := [?]struct {
+ input, expected: string,
+ }{
+ {"", ""},
+ {"MY======", "f"},
+ {"MZXQ====", "fo"},
+ {"MZXW6===", "foo"},
+ {"MZXW6YQ=", "foob"},
+ {"MZXW6YTB", "fooba"},
+ {"MZXW6YTBOI======", "foobar"},
+ }
+
+ for c in cases {
+ output, err := decode(c.input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.None)
+ expected := transmute([]u8)c.expected
+ if output != nil {
+ testing.expect(t, bytes.equal(output, expected))
+ } else {
+ testing.expect(t, len(c.expected) == 0)
+ }
+ }
+}
+
+@(test)
+test_base32_encode :: proc(t: ^testing.T) {
+ // RFC 4648 Section 10 - Test vectors
+ cases := [?]struct {
+ input, expected: string,
+ }{
+ {"", ""},
+ {"f", "MY======"},
+ {"fo", "MZXQ===="},
+ {"foo", "MZXW6==="},
+ {"foob", "MZXW6YQ="},
+ {"fooba", "MZXW6YTB"},
+ {"foobar", "MZXW6YTBOI======"},
+ }
+
+ for c in cases {
+ output := encode(transmute([]byte)c.input)
+ defer delete(output)
+ testing.expect(t, output == c.expected)
+ }
+}
+
+@(test)
+test_base32_decode_invalid :: proc(t: ^testing.T) {
+ // Section 3.3 - Non-alphabet characters
+ {
+ // Characters outside alphabet
+ input := "MZ1W6YTB" // '1' not in alphabet (A-Z, 2-7)
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Invalid_Character)
+ }
+ {
+ // Lowercase not allowed
+ input := "mzxq===="
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Invalid_Character)
+ }
+
+ // Section 3.2 - Padding requirements
+ {
+ // Padding must only be at end
+ input := "MZ=Q===="
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Malformed_Input)
+ }
+ {
+ // Missing padding
+ input := "MZXQ" // Should be MZXQ====
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Malformed_Input)
+ }
+ {
+ // Incorrect padding length
+ input := "MZXQ=" // Needs 4 padding chars
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Malformed_Input)
+ }
+ {
+ // Too much padding
+ input := "MY=========" // Extra padding chars
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Malformed_Input)
+ }
+
+ // Section 6 - Base32 block size requirements
+ {
+ // Single character (invalid block)
+ input := "M"
+ output, err := decode(input)
+ if output != nil {
+ defer delete(output)
+ }
+ testing.expect_value(t, err, Error.Invalid_Length)
+ }
+}
+
+@(test)
+test_base32_roundtrip :: proc(t: ^testing.T) {
+ cases := [?]string{
+ "",
+ "f",
+ "fo",
+ "foo",
+ "foob",
+ "fooba",
+ "foobar",
+ }
+
+ for input in cases {
+ encoded := encode(transmute([]byte)input)
+ defer delete(encoded)
+ decoded, err := decode(encoded)
+ if decoded != nil {
+ defer delete(decoded)
+ }
+ testing.expect_value(t, err, Error.None)
+ testing.expect(t, bytes.equal(decoded, transmute([]byte)input))
+ }
+}
+
+@(test)
+test_base32_custom_alphabet :: proc(t: ^testing.T) {
+ custom_enc_table := [32]byte{
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'A', 'B', 'C', 'D', 'E', 'F',
+ 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
+ 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
+ }
+
+ custom_dec_table: [256]u8
+ for i := 0; i < len(custom_enc_table); i += 1 {
+ custom_dec_table[custom_enc_table[i]] = u8(i)
+ }
+
+ /*
+ custom_dec_table := [256]u8{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00-0x0f
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10-0x1f
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x20-0x2f
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, // 0x30-0x3f ('0'-'9')
+ 0, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, // 0x40-0x4f ('A'-'O')
+ 25, 26, 27, 28, 29, 30, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x50-0x5f ('P'-'V')
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x60-0x6f
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x70-0x7f
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x80-0x8f
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x90-0x9f
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xa0-0xaf
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xb0-0xbf
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xc0-0xcf
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xd0-0xdf
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xe0-0xef
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xf0-0xff
+ }
+ */
+
+ custom_validate :: proc(c: byte) -> bool {
+ return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'V') || c == byte(PADDING)
+ }
+
+ cases := [?]struct {
+ input: string,
+ enc_expected: string,
+ }{
+ {"f", "CO======"},
+ {"fo", "CPNG===="},
+ {"foo", "CPNMU==="},
+ }
+
+ for c in cases {
+ // Test encoding
+ encoded := encode(transmute([]byte)c.input, custom_enc_table)
+ defer delete(encoded)
+ testing.expect(t, encoded == c.enc_expected)
+
+ // Test decoding
+ decoded, err := decode(encoded, custom_dec_table, custom_validate)
+ defer if decoded != nil {
+ delete(decoded)
+ }
+
+ testing.expect_value(t, err, Error.None)
+ testing.expect(t, bytes.equal(decoded, transmute([]byte)c.input))
+ }
+
+ // Test invalid character detection
+ {
+ input := "WXY=====" // Contains chars not in our alphabet
+ output, err := decode(input, custom_dec_table, custom_validate)
+ if output != nil {
+ delete(output)
+ }
+ testing.expect_value(t, err, Error.Invalid_Character)
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-15 07:46:14 +0000