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check-qjson qmp-test: Cover control characters more thoroughly 

RFC 8259 "The JavaScript Object Notation (JSON) Data Interchange
Format" requires control characters in strings to be escaped.
Demonstrate the JSON parser accepts U+0001 .. U+001F unescaped.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-16-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-08-23 18:39:42 +02:00
parent 5f454e662e
commit 6bc93a3401
2 changed files with 44 additions and 6 deletions
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36
tests/check-qjson.c
View File

@ -192,6 +192,26 @@ static void utf8_string(void)
* We may choose to define this as feature
*/
/* 0 Control characters */
{
/*
* Note: \x00 is impossible, other representations of
* U+0000 are covered under 4.3
*/
"\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17"
"\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F",
/* bug: not corrected (valid UTF-8, but invalid JSON) */
"\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17"
"\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F",
"\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007"
"\\b\\t\\n\\u000B\\f\\r\\u000E\\u000F"
"\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017"
"\\u0018\\u0019\\u001A\\u001B\\u001C\\u001D\\u001E\\u001F",
},
/* 1 Some correct UTF-8 text */
{
/* a bit of German */
@ -211,14 +231,14 @@ static void utf8_string(void)
/* 2 Boundary condition test cases */
/* 2.1 First possible sequence of a certain length */
/*
* 2.1.1 1 byte U+0001
* \x00 is impossible, test \x01 instead. Other
* representations of U+0000 are covered under 4.3.
* 2.1.1 1 byte U+0020
* Control characters are already covered by their own test
* case under 0. Test the first 1 byte non-control character
* here.
*/
{
"\x01",
"\x01",
"\\u0001",
" ",
" ",
},
/* 2.1.2 2 bytes U+0080 */
{
@ -1333,6 +1353,10 @@ static void junk_input(void)
g_assert(!err); /* BUG */
g_assert(obj == NULL);
obj = qobject_from_json("{\x01", &err);
g_assert(!err); /* BUG */
g_assert(obj == NULL);
obj = qobject_from_json("[0\xFF]", &err);
error_free_or_abort(&err);
g_assert(obj == NULL);

14
tests/qmp-test.c
View File

@ -71,6 +71,13 @@ static void test_malformed(QTestState *qts)
qobject_unref(resp);
g_assert(recovered(qts));
/* lexical error: funny control character outside string */
qtest_qmp_send_raw(qts, "{\x01");
resp = qtest_qmp_receive(qts);
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
qobject_unref(resp);
g_assert(recovered(qts));
/* lexical error: impossible byte in string */
qtest_qmp_send_raw(qts, "{'bad \xFF");
resp = qtest_qmp_receive(qts);
@ -78,6 +85,13 @@ static void test_malformed(QTestState *qts)
qobject_unref(resp);
g_assert(recovered(qts));
/* lexical error: control character in string */
qtest_qmp_send_raw(qts, "{'execute': 'nonexistent', 'id':'\n'}");
resp = qtest_qmp_receive(qts);
g_assert_cmpstr(get_error_class(resp), ==, "CommandNotFound"); /* BUG */
qobject_unref(resp);
g_assert(recovered(qts));
/* lexical error: interpolation */
qtest_qmp_send_raw(qts, "%%p\n");
resp = qtest_qmp_receive(qts);