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Implement SEQUENCE encoding and decoding in client

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This commit is contained in:
Camden Dixie O'Brien
2025-02-23 19:05:48 +00:00
parent 5df58e9d28
commit ef9e578e25
2 changed files with 105 additions and 17 deletions
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71
client/tests/der_tests.vala
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@@ -1,3 +1,4 @@
using StudySystemClient;
using StudySystemClient.Der;
static bool bytes_equal(uint8[] expected, uint8[] actual) {
@@ -46,15 +47,31 @@ static void test_decode_boolean(uint8[] bytes, bool expected) {
}
static void test_decode_integer(uint8[] bytes, int64 expected) {
Integer integer;
Datum datum;
try {
integer = decode(bytes) as Integer;
datum = decode(bytes);
} catch (DecodeError err) {
Test.message("Decoding failed: %s", err.message);
Test.fail();
return;
}
test_integer_value(expected, datum);
}
static void test_decode_utf8string(uint8[] bytes, string expected) {
Datum datum;
try {
datum = decode(bytes);
} catch (DecodeError err) {
Test.message("Decoding failed: %s", err.message);
Test.fail();
return;
}
test_utf8string_value(expected, datum);
}
static void test_integer_value(int64 expected, Datum datum) {
var integer = datum as Integer;
if (integer == null) {
Test.message("Bytes were not decoded as a INTEGER");
Test.fail();
@@ -67,16 +84,8 @@ static void test_decode_integer(uint8[] bytes, int64 expected) {
}
}
static void test_decode_utf8string(uint8[] bytes, string expected) {
Utf8String utf8string;
try {
utf8string = decode(bytes) as Utf8String;
} catch (DecodeError err) {
Test.message("Decoding failed: %s", err.message);
Test.fail();
return;
}
static void test_utf8string_value(string expected, Datum datum) {
var utf8string = datum as Utf8String;
if (utf8string == null) {
Test.message("Bytes were not decoded as a UTF8String");
Test.fail();
@@ -154,6 +163,15 @@ void main(string[] args) {
test_encode(new Utf8String(string.nfill(128, 'x')), expected);
});
Test.add_func("/encode/sequence/foo,42", () => {
var sequence = new Der.Sequence(
{new Utf8String("foo"), new Integer(42)});
var expected = new uint8[] {
0x30, 0x08, 0x0c, 0x03, 0x66, 0x6f, 0x6f, 0x02, 0x01, 0x2a
};
test_encode(sequence, expected);
});
/*
* Decoding
*/
@@ -208,5 +226,34 @@ void main(string[] args) {
test_decode_utf8string(bytes, string.nfill(128, 'x'));
});
Test.add_func("/decode/sequence/foo,42", () => {
var bytes = new uint8[] {
0x30, 0x08, 0x0c, 0x03, 0x66, 0x6f, 0x6f, 0x02, 0x01, 0x2a
};
var expected = 2;
Der.Sequence sequence;
try {
sequence = decode(bytes) as Der.Sequence;
} catch (DecodeError err) {
Test.message("Decoding failed: %s", err.message);
Test.fail();
return;
}
if (sequence == null) {
Test.message("Bytes were not decoded as a SEQUENCE");
Test.fail();
return;
}
Datum[] elems = sequence.value;
if (elems.length != expected) {
Test.message(
@"Expected $expected elements, got $(elems.length)");
Test.fail();
return;
}
test_utf8string_value("foo", elems[0]);
test_integer_value(42, elems[1]);
});
Test.run();
}