diff options
Diffstat (limited to 'src/test/regress/regress.c')
| -rw-r--r-- | src/test/regress/regress.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/regress/regress.c b/src/test/regress/regress.c index 6764589418e..5c0ecbace42 100644 --- a/src/test/regress/regress.c +++ b/src/test/regress/regress.c @@ -1099,6 +1099,56 @@ test_opclass_options_func(PG_FUNCTION_ARGS) PG_RETURN_NULL(); } +/* one-time tests for encoding infrastructure */ +PG_FUNCTION_INFO_V1(test_enc_setup); +Datum +test_enc_setup(PG_FUNCTION_ARGS) +{ + /* Test pg_encoding_set_invalid() */ + for (int i = 0; i < _PG_LAST_ENCODING_; i++) + { + char buf[2], + bigbuf[16]; + int len, + mblen, + valid; + + if (pg_encoding_max_length(i) == 1) + continue; + pg_encoding_set_invalid(i, buf); + len = strnlen(buf, 2); + if (len != 2) + elog(WARNING, + "official invalid string for encoding \"%s\" has length %d", + pg_enc2name_tbl[i].name, len); + mblen = pg_encoding_mblen(i, buf); + if (mblen != 2) + elog(WARNING, + "official invalid string for encoding \"%s\" has mblen %d", + pg_enc2name_tbl[i].name, mblen); + valid = pg_encoding_verifymbstr(i, buf, len); + if (valid != 0) + elog(WARNING, + "official invalid string for encoding \"%s\" has valid prefix of length %d", + pg_enc2name_tbl[i].name, valid); + valid = pg_encoding_verifymbstr(i, buf, 1); + if (valid != 0) + elog(WARNING, + "first byte of official invalid string for encoding \"%s\" has valid prefix of length %d", + pg_enc2name_tbl[i].name, valid); + memset(bigbuf, ' ', sizeof(bigbuf)); + bigbuf[0] = buf[0]; + bigbuf[1] = buf[1]; + valid = pg_encoding_verifymbstr(i, bigbuf, sizeof(bigbuf)); + if (valid != 0) + elog(WARNING, + "trailing data changed official invalid string for encoding \"%s\" to have valid prefix of length %d", + pg_enc2name_tbl[i].name, valid); + } + + PG_RETURN_VOID(); +} + /* * Call an encoding conversion or verification function. * |