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Check every prefix code against the spec list

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This commit is contained in:
J. Nick Koston
2026-10-13 19:49:05 -10:00
parent 09575cfa5f
commit af12f31b59
1 changed files with 47 additions and 0 deletions
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tests/components/nfc/test_ndef_record_uri.cpp
+47
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@@ -1,5 +1,6 @@
#include <gtest/gtest.h>
#include <iterator>
#include <string>
#include <vector>
@@ -17,6 +18,50 @@ TEST(NdefRecordUri, DecodeExpandsPrefixCode) {
EXPECT_EQ(decode({0x07, 'a'}), "ftp://anonymous:anonymous@a");
}
// URI identifier codes from the NFC Forum URI Record Type Definition, kept separate from the
// component's table so a reordered entry fails here
static constexpr const char *SPEC_PREFIXES[] = {"",
"http://www.",
"https://www.",
"http://",
"https://",
"tel:",
"mailto:",
"ftp://anonymous:anonymous@",
"ftp://ftp.",
"ftps://",
"sftp://",
"smb://",
"nfs://",
"ftp://",
"dav://",
"news:",
"telnet://",
"imap:",
"rtsp://",
"urn:",
"pop:",
"sip:",
"sips:",
"tftp:",
"btspp://",
"btl2cap://",
"btgoep://",
"tcpobex://",
"irdaobex://",
"file://",
"urn:epc:id:",
"urn:epc:tag:",
"urn:epc:pat:",
"urn:epc:raw:",
"urn:epc:",
"urn:nfc:"};
TEST(NdefRecordUri, DecodeEveryPrefixCode) {
for (uint8_t code = 1; code < std::size(SPEC_PREFIXES); code++)
EXPECT_EQ(decode({code, 'x'}), std::string(SPEC_PREFIXES[code]) + "x") << "code " << int(code);
}
TEST(NdefRecordUri, DecodeAcceptsLastPrefixCode) { EXPECT_EQ(decode({0x23, 'x'}), "urn:nfc:x"); }
TEST(NdefRecordUri, DecodeIgnoresUnknownPrefixCode) {
@@ -24,6 +69,8 @@ TEST(NdefRecordUri, DecodeIgnoresUnknownPrefixCode) {
EXPECT_EQ(decode({0x24, 'x'}), "x");
}
// Encode takes the first prefix in table order that matches, so codes 0x1E to 0x23 are never written;
// these tests pin that current behaviour, not the spec's longest match
TEST(NdefRecordUri, EncodePicksFirstMatchingPrefix) {
EXPECT_EQ(encoded_prefix("https://www.a.b"), 0x02);
EXPECT_EQ(encoded_prefix("http://a.b"), 0x03);