tests: Move unit tests into a separate directory

The main tests directory still looks very crowded, and it's not
clear which files are part of a unit tests and which belong to
a different test subsystem. Let's clean up the mess and move the
unit tests to a separate directory.

Message-Id: <20210310063314.1049838-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 1518 insertions, 0 deletions

diff --git a/tests/unit/check-qjson.c b/tests/unit/check-qjson.c
new file mode 100644
index 0000000..c845f91
--- /dev/null
+++ b/tests/unit/check-qjson.c
@@ -0,0 +1,1518 @@
+/*
+ * Copyright IBM, Corp. 2009
+ * Copyright (c) 2013, 2015 Red Hat Inc.
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *  Markus Armbruster <armbru@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/error.h"
+#include "qapi/qmp/qbool.h"
+#include "qapi/qmp/qjson.h"
+#include "qapi/qmp/qlit.h"
+#include "qapi/qmp/qnull.h"
+#include "qapi/qmp/qnum.h"
+#include "qapi/qmp/qstring.h"
+#include "qemu/unicode.h"
+#include "qemu-common.h"
+
+static QString *from_json_str(const char *jstr, bool single, Error **errp)
+{
+    char quote = single ? '\'' : '"';
+    char *qjstr = g_strdup_printf("%c%s%c", quote, jstr, quote);
+    QString *ret = qobject_to(QString, qobject_from_json(qjstr, errp));
+
+    g_free(qjstr);
+    return ret;
+}
+
+static char *to_json_str(QString *str)
+{
+    GString *json = qobject_to_json(QOBJECT(str));
+
+    if (!json) {
+        return NULL;
+    }
+    /* peel off double quotes */
+    g_string_truncate(json, json->len - 1);
+    g_string_erase(json, 0, 1);
+    return g_string_free(json, false);
+}
+
+static void escaped_string(void)
+{
+    struct {
+        /* Content of JSON string to parse with qobject_from_json() */
+        const char *json_in;
+        /* Expected parse output; to unparse with qobject_to_json() */
+        const char *utf8_out;
+        int skip;
+    } test_cases[] = {
+        { "\\b\\f\\n\\r\\t\\\\\\\"", "\b\f\n\r\t\\\"" },
+        { "\\/\\'", "/'", .skip = 1 },
+        { "single byte utf-8 \\u0020", "single byte utf-8  ", .skip = 1 },
+        { "double byte utf-8 \\u00A2", "double byte utf-8 \xc2\xa2" },
+        { "triple byte utf-8 \\u20AC", "triple byte utf-8 \xe2\x82\xac" },
+        { "quadruple byte utf-8 \\uD834\\uDD1E", /* U+1D11E */
+          "quadruple byte utf-8 \xF0\x9D\x84\x9E" },
+        { "\\", NULL },
+        { "\\z", NULL },
+        { "\\ux", NULL },
+        { "\\u1x", NULL },
+        { "\\u12x", NULL },
+        { "\\u123x", NULL },
+        { "\\u12345", "\341\210\2645" },
+        { "\\u0000x", "\xC0\x80x" },
+        { "unpaired leading surrogate \\uD800", NULL },
+        { "unpaired leading surrogate \\uD800\\uCAFE", NULL },
+        { "unpaired leading surrogate \\uD800\\uD801\\uDC02", NULL },
+        { "unpaired trailing surrogate \\uDC00", NULL },
+        { "backward surrogate pair \\uDC00\\uD800", NULL },
+        { "noncharacter U+FDD0 \\uFDD0", NULL },
+        { "noncharacter U+FDEF \\uFDEF", NULL },
+        { "noncharacter U+1FFFE \\uD87F\\uDFFE", NULL },
+        { "noncharacter U+10FFFF \\uDC3F\\uDFFF", NULL },
+        {}
+    };
+    int i, j;
+    QString *cstr;
+    char *jstr;
+
+    for (i = 0; test_cases[i].json_in; i++) {
+        for (j = 0; j < 2; j++) {
+            if (test_cases[i].utf8_out) {
+                cstr = from_json_str(test_cases[i].json_in, j, &error_abort);
+                g_assert_cmpstr(qstring_get_str(cstr),
+                                ==, test_cases[i].utf8_out);
+                if (!test_cases[i].skip) {
+                    jstr = to_json_str(cstr);
+                    g_assert_cmpstr(jstr, ==, test_cases[i].json_in);
+                    g_free(jstr);
+                }
+                qobject_unref(cstr);
+            } else {
+                cstr = from_json_str(test_cases[i].json_in, j, NULL);
+                g_assert(!cstr);
+            }
+        }
+    }
+}
+
+static void string_with_quotes(void)
+{
+    const char *test_cases[] = {
+        "\"the bee's knees\"",
+        "'double quote \"'",
+        NULL
+    };
+    int i;
+    QString *str;
+    char *cstr;
+
+    for (i = 0; test_cases[i]; i++) {
+        str = qobject_to(QString,
+                         qobject_from_json(test_cases[i], &error_abort));
+        g_assert(str);
+        cstr = g_strndup(test_cases[i] + 1, strlen(test_cases[i]) - 2);
+        g_assert_cmpstr(qstring_get_str(str), ==, cstr);
+        g_free(cstr);
+        qobject_unref(str);
+    }
+}
+
+static void utf8_string(void)
+{
+    /*
+     * Most test cases are scraped from Markus Kuhn's UTF-8 decoder
+     * capability and stress test at
+     * http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
+     */
+    static const struct {
+        /* Content of JSON string to parse with qobject_from_json() */
+        const char *json_in;
+        /* Expected parse output */
+        const char *utf8_out;
+        /* Expected unparse output, defaults to @json_in */
+        const char *json_out;
+    } test_cases[] = {
+        /* 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",
+            NULL,
+            "\\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 */
+            "Falsches \xC3\x9C" "ben von Xylophonmusik qu\xC3\xA4lt"
+            " jeden gr\xC3\xB6\xC3\x9F" "eren Zwerg.",
+            "Falsches \xC3\x9C" "ben von Xylophonmusik qu\xC3\xA4lt"
+            " jeden gr\xC3\xB6\xC3\x9F" "eren Zwerg.",
+            "Falsches \\u00DCben von Xylophonmusik qu\\u00E4lt"
+            " jeden gr\\u00F6\\u00DFeren Zwerg.",
+        },
+        {
+            /* a bit of Greek */
+            "\xCE\xBA\xE1\xBD\xB9\xCF\x83\xCE\xBC\xCE\xB5",
+            "\xCE\xBA\xE1\xBD\xB9\xCF\x83\xCE\xBC\xCE\xB5",
+            "\\u03BA\\u1F79\\u03C3\\u03BC\\u03B5",
+        },
+            /* '%' character when not interpolating */
+        {
+            "100%",
+            "100%",
+        },
+        /* 2  Boundary condition test cases */
+        /* 2.1  First possible sequence of a certain length */
+        /*
+         * 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.
+         */
+        {
+            " ",
+            " ",
+        },
+        /* 2.1.2  2 bytes U+0080 */
+        {
+            "\xC2\x80",
+            "\xC2\x80",
+            "\\u0080",
+        },
+        /* 2.1.3  3 bytes U+0800 */
+        {
+            "\xE0\xA0\x80",
+            "\xE0\xA0\x80",
+            "\\u0800",
+        },
+        /* 2.1.4  4 bytes U+10000 */
+        {
+            "\xF0\x90\x80\x80",
+            "\xF0\x90\x80\x80",
+            "\\uD800\\uDC00",
+        },
+        /* 2.1.5  5 bytes U+200000 */
+        {
+            "\xF8\x88\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 2.1.6  6 bytes U+4000000 */
+        {
+            "\xFC\x84\x80\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 2.2  Last possible sequence of a certain length */
+        /* 2.2.1  1 byte U+007F */
+        {
+            "\x7F",
+            "\x7F",
+            "\\u007F",
+        },
+        /* 2.2.2  2 bytes U+07FF */
+        {
+            "\xDF\xBF",
+            "\xDF\xBF",
+            "\\u07FF",
+        },
+        /*
+         * 2.2.3  3 bytes U+FFFC
+         * The last possible sequence is actually U+FFFF.  But that's
+         * a noncharacter, and already covered by its own test case
+         * under 5.3.  Same for U+FFFE.  U+FFFD is the last character
+         * in the BMP, and covered under 2.3.  Because of U+FFFD's
+         * special role as replacement character, it's worth testing
+         * U+FFFC here.
+         */
+        {
+            "\xEF\xBF\xBC",
+            "\xEF\xBF\xBC",
+            "\\uFFFC",
+        },
+        /* 2.2.4  4 bytes U+1FFFFF */
+        {
+            "\xF7\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 2.2.5  5 bytes U+3FFFFFF */
+        {
+            "\xFB\xBF\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 2.2.6  6 bytes U+7FFFFFFF */
+        {
+            "\xFD\xBF\xBF\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 2.3  Other boundary conditions */
+        {
+            /* last one before surrogate range: U+D7FF */
+            "\xED\x9F\xBF",
+            "\xED\x9F\xBF",
+            "\\uD7FF",
+        },
+        {
+            /* first one after surrogate range: U+E000 */
+            "\xEE\x80\x80",
+            "\xEE\x80\x80",
+            "\\uE000",
+        },
+        {
+            /* last one in BMP: U+FFFD */
+            "\xEF\xBF\xBD",
+            "\xEF\xBF\xBD",
+            "\\uFFFD",
+        },
+        {
+            /* last one in last plane: U+10FFFD */
+            "\xF4\x8F\xBF\xBD",
+            "\xF4\x8F\xBF\xBD",
+            "\\uDBFF\\uDFFD"
+        },
+        {
+            /* first one beyond Unicode range: U+110000 */
+            "\xF4\x90\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3  Malformed sequences */
+        /* 3.1  Unexpected continuation bytes */
+        /* 3.1.1  First continuation byte */
+        {
+            "\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.1.2  Last continuation byte */
+        {
+            "\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.1.3  2 continuation bytes */
+        {
+            "\x80\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        /* 3.1.4  3 continuation bytes */
+        {
+            "\x80\xBF\x80",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.1.5  4 continuation bytes */
+        {
+            "\x80\xBF\x80\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.1.6  5 continuation bytes */
+        {
+            "\x80\xBF\x80\xBF\x80",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.1.7  6 continuation bytes */
+        {
+            "\x80\xBF\x80\xBF\x80\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.1.8  7 continuation bytes */
+        {
+            "\x80\xBF\x80\xBF\x80\xBF\x80",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.1.9  Sequence of all 64 possible continuation bytes */
+        {
+            "\x80\x81\x82\x83\x84\x85\x86\x87"
+            "\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F"
+            "\x90\x91\x92\x93\x94\x95\x96\x97"
+            "\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F"
+            "\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7"
+            "\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF"
+            "\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7"
+            "\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.2  Lonely start characters */
+        /* 3.2.1  All 32 first bytes of 2-byte sequences, followed by space */
+        {
+            "\xC0 \xC1 \xC2 \xC3 \xC4 \xC5 \xC6 \xC7 "
+            "\xC8 \xC9 \xCA \xCB \xCC \xCD \xCE \xCF "
+            "\xD0 \xD1 \xD2 \xD3 \xD4 \xD5 \xD6 \xD7 "
+            "\xD8 \xD9 \xDA \xDB \xDC \xDD \xDE \xDF ",
+            NULL,
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD "
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD "
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD "
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD ",
+        },
+        /* 3.2.2  All 16 first bytes of 3-byte sequences, followed by space */
+        {
+            "\xE0 \xE1 \xE2 \xE3 \xE4 \xE5 \xE6 \xE7 "
+            "\xE8 \xE9 \xEA \xEB \xEC \xED \xEE \xEF ",
+            NULL,
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD "
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD ",
+        },
+        /* 3.2.3  All 8 first bytes of 4-byte sequences, followed by space */
+        {
+            "\xF0 \xF1 \xF2 \xF3 \xF4 \xF5 \xF6 \xF7 ",
+            NULL,
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD \\uFFFD ",
+        },
+        /* 3.2.4  All 4 first bytes of 5-byte sequences, followed by space */
+        {
+            "\xF8 \xF9 \xFA \xFB ",
+            NULL,
+            "\\uFFFD \\uFFFD \\uFFFD \\uFFFD ",
+        },
+        /* 3.2.5  All 2 first bytes of 6-byte sequences, followed by space */
+        {
+            "\xFC \xFD ",
+            NULL,
+            "\\uFFFD \\uFFFD ",
+        },
+        /* 3.3  Sequences with last continuation byte missing */
+        /* 3.3.1  2-byte sequence with last byte missing (U+0000) */
+        {
+            "\xC0",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.2  3-byte sequence with last byte missing (U+0000) */
+        {
+            "\xE0\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.3  4-byte sequence with last byte missing (U+0000) */
+        {
+            "\xF0\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.4  5-byte sequence with last byte missing (U+0000) */
+        {
+            "\xF8\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.5  6-byte sequence with last byte missing (U+0000) */
+        {
+            "\xFC\x80\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.6  2-byte sequence with last byte missing (U+07FF) */
+        {
+            "\xDF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.7  3-byte sequence with last byte missing (U+FFFF) */
+        {
+            "\xEF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.8  4-byte sequence with last byte missing (U+1FFFFF) */
+        {
+            "\xF7\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.9  5-byte sequence with last byte missing (U+3FFFFFF) */
+        {
+            "\xFB\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.3.10  6-byte sequence with last byte missing (U+7FFFFFFF) */
+        {
+            "\xFD\xBF\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 3.4  Concatenation of incomplete sequences */
+        {
+            "\xC0\xE0\x80\xF0\x80\x80\xF8\x80\x80\x80\xFC\x80\x80\x80\x80"
+            "\xDF\xEF\xBF\xF7\xBF\xBF\xFB\xBF\xBF\xBF\xFD\xBF\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 3.5  Impossible bytes */
+        {
+            "\xFE",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            "\xFF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            "\xFE\xFE\xFF\xFF",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        /* 4  Overlong sequences */
+        /* 4.1  Overlong '/' */
+        {
+            "\xC0\xAF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            "\xE0\x80\xAF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            "\xF0\x80\x80\xAF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            "\xF8\x80\x80\x80\xAF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            "\xFC\x80\x80\x80\x80\xAF",
+            NULL,
+            "\\uFFFD",
+        },
+        /*
+         * 4.2  Maximum overlong sequences
+         * Highest Unicode value that is still resulting in an
+         * overlong sequence if represented with the given number of
+         * bytes.  This is a boundary test for safe UTF-8 decoders.
+         */
+        {
+            /* \U+007F */
+            "\xC1\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+07FF */
+            "\xE0\x9F\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /*
+             * \U+FFFC
+             * The actual maximum would be U+FFFF, but that's a
+             * noncharacter.  Testing U+FFFC seems more useful.  See
+             * also 2.2.3
+             */
+            "\xF0\x8F\xBF\xBC",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+1FFFFF */
+            "\xF8\x87\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+3FFFFFF */
+            "\xFC\x83\xBF\xBF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 4.3  Overlong representation of the NUL character */
+        {
+            /* \U+0000 */
+            "\xC0\x80",
+            "\xC0\x80",
+            "\\u0000",
+        },
+        {
+            /* \U+0000 */
+            "\xE0\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+0000 */
+            "\xF0\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+0000 */
+            "\xF8\x80\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+0000 */
+            "\xFC\x80\x80\x80\x80\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 5  Illegal code positions */
+        /* 5.1  Single UTF-16 surrogates */
+        {
+            /* \U+D800 */
+            "\xED\xA0\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+DB7F */
+            "\xED\xAD\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+DB80 */
+            "\xED\xAE\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+DBFF */
+            "\xED\xAF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+DC00 */
+            "\xED\xB0\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+DF80 */
+            "\xED\xBE\x80",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+DFFF */
+            "\xED\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* 5.2  Paired UTF-16 surrogates */
+        {
+            /* \U+D800\U+DC00 */
+            "\xED\xA0\x80\xED\xB0\x80",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+D800\U+DFFF */
+            "\xED\xA0\x80\xED\xBF\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+DB7F\U+DC00 */
+            "\xED\xAD\xBF\xED\xB0\x80",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+DB7F\U+DFFF */
+            "\xED\xAD\xBF\xED\xBF\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+DB80\U+DC00 */
+            "\xED\xAE\x80\xED\xB0\x80",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+DB80\U+DFFF */
+            "\xED\xAE\x80\xED\xBF\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+DBFF\U+DC00 */
+            "\xED\xAF\xBF\xED\xB0\x80",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        {
+            /* \U+DBFF\U+DFFF */
+            "\xED\xAF\xBF\xED\xBF\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD",
+        },
+        /* 5.3  Other illegal code positions */
+        /* BMP noncharacters */
+        {
+            /* \U+FFFE */
+            "\xEF\xBF\xBE",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* \U+FFFF */
+            "\xEF\xBF\xBF",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* U+FDD0 */
+            "\xEF\xB7\x90",
+            NULL,
+            "\\uFFFD",
+        },
+        {
+            /* U+FDEF */
+            "\xEF\xB7\xAF",
+            NULL,
+            "\\uFFFD",
+        },
+        /* Plane 1 .. 16 noncharacters */
+        {
+            /* U+1FFFE U+1FFFF U+2FFFE U+2FFFF ... U+10FFFE U+10FFFF */
+            "\xF0\x9F\xBF\xBE\xF0\x9F\xBF\xBF"
+            "\xF0\xAF\xBF\xBE\xF0\xAF\xBF\xBF"
+            "\xF0\xBF\xBF\xBE\xF0\xBF\xBF\xBF"
+            "\xF1\x8F\xBF\xBE\xF1\x8F\xBF\xBF"
+            "\xF1\x9F\xBF\xBE\xF1\x9F\xBF\xBF"
+            "\xF1\xAF\xBF\xBE\xF1\xAF\xBF\xBF"
+            "\xF1\xBF\xBF\xBE\xF1\xBF\xBF\xBF"
+            "\xF2\x8F\xBF\xBE\xF2\x8F\xBF\xBF"
+            "\xF2\x9F\xBF\xBE\xF2\x9F\xBF\xBF"
+            "\xF2\xAF\xBF\xBE\xF2\xAF\xBF\xBF"
+            "\xF2\xBF\xBF\xBE\xF2\xBF\xBF\xBF"
+            "\xF3\x8F\xBF\xBE\xF3\x8F\xBF\xBF"
+            "\xF3\x9F\xBF\xBE\xF3\x9F\xBF\xBF"
+            "\xF3\xAF\xBF\xBE\xF3\xAF\xBF\xBF"
+            "\xF3\xBF\xBF\xBE\xF3\xBF\xBF\xBF"
+            "\xF4\x8F\xBF\xBE\xF4\x8F\xBF\xBF",
+            NULL,
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD"
+            "\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD\\uFFFD",
+        },
+        {}
+    };
+    int i, j;
+    QString *str;
+    const char *json_in, *utf8_out, *utf8_in, *json_out, *tail;
+    char *end, *in, *jstr;
+
+    for (i = 0; test_cases[i].json_in; i++) {
+        for (j = 0; j < 2; j++) {
+            json_in = test_cases[i].json_in;
+            utf8_out = test_cases[i].utf8_out;
+            utf8_in = test_cases[i].utf8_out ?: test_cases[i].json_in;
+            json_out = test_cases[i].json_out ?: test_cases[i].json_in;
+
+            /* Parse @json_in, expect @utf8_out */
+            if (utf8_out) {
+                str = from_json_str(json_in, j, &error_abort);
+                g_assert_cmpstr(qstring_get_str(str), ==, utf8_out);
+                qobject_unref(str);
+            } else {
+                str = from_json_str(json_in, j, NULL);
+                g_assert(!str);
+                /*
+                 * Failure may be due to any sequence, but *all* sequences
+                 * are expected to fail.  Test each one in isolation.
+                 */
+                for (tail = json_in; *tail; tail = end) {
+                    mod_utf8_codepoint(tail, 6, &end);
+                    if (*end == ' ') {
+                        end++;
+                    }
+                    in = g_strndup(tail, end - tail);
+                    str = from_json_str(in, j, NULL);
+                    g_assert(!str);
+                    g_free(in);
+                }
+            }
+
+            /* Unparse @utf8_in, expect @json_out */
+            str = qstring_from_str(utf8_in);
+            jstr = to_json_str(str);
+            g_assert_cmpstr(jstr, ==, json_out);
+            qobject_unref(str);
+            g_free(jstr);
+
+            /* Parse @json_out right back, unless it has replacements */
+            if (!strstr(json_out, "\\uFFFD")) {
+                str = from_json_str(json_out, j, &error_abort);
+                g_assert_cmpstr(qstring_get_str(str), ==, utf8_in);
+                qobject_unref(str);
+            }
+        }
+    }
+}
+
+static void int_number(void)
+{
+    struct {
+        const char *encoded;
+        int64_t decoded;
+        const char *reencoded;
+    } test_cases[] = {
+        { "0", 0 },
+        { "1234", 1234 },
+        { "1", 1 },
+        { "-32", -32 },
+        { "-0", 0, "0" },
+        {},
+    };
+    int i;
+    QNum *qnum;
+    int64_t ival;
+    uint64_t uval;
+    GString *str;
+
+    for (i = 0; test_cases[i].encoded; i++) {
+        qnum = qobject_to(QNum,
+                          qobject_from_json(test_cases[i].encoded,
+                                            &error_abort));
+        g_assert(qnum);
+        g_assert(qnum_get_try_int(qnum, &ival));
+        g_assert_cmpint(ival, ==, test_cases[i].decoded);
+        if (test_cases[i].decoded >= 0) {
+            g_assert(qnum_get_try_uint(qnum, &uval));
+            g_assert_cmpuint(uval, ==, (uint64_t)test_cases[i].decoded);
+        } else {
+            g_assert(!qnum_get_try_uint(qnum, &uval));
+        }
+        g_assert_cmpfloat(qnum_get_double(qnum), ==,
+                          (double)test_cases[i].decoded);
+
+        str = qobject_to_json(QOBJECT(qnum));
+        g_assert_cmpstr(str->str, ==,
+                        test_cases[i].reencoded ?: test_cases[i].encoded);
+        g_string_free(str, true);
+
+        qobject_unref(qnum);
+    }
+}
+
+static void uint_number(void)
+{
+    struct {
+        const char *encoded;
+        uint64_t decoded;
+        const char *reencoded;
+    } test_cases[] = {
+        { "9223372036854775808", (uint64_t)1 << 63 },
+        { "18446744073709551615", UINT64_MAX },
+        {},
+    };
+    int i;
+    QNum *qnum;
+    int64_t ival;
+    uint64_t uval;
+    GString *str;
+
+    for (i = 0; test_cases[i].encoded; i++) {
+        qnum = qobject_to(QNum,
+                          qobject_from_json(test_cases[i].encoded,
+                                            &error_abort));
+        g_assert(qnum);
+        g_assert(qnum_get_try_uint(qnum, &uval));
+        g_assert_cmpuint(uval, ==, test_cases[i].decoded);
+        g_assert(!qnum_get_try_int(qnum, &ival));
+        g_assert_cmpfloat(qnum_get_double(qnum), ==,
+                          (double)test_cases[i].decoded);
+
+        str = qobject_to_json(QOBJECT(qnum));
+        g_assert_cmpstr(str->str, ==,
+                        test_cases[i].reencoded ?: test_cases[i].encoded);
+        g_string_free(str, true);
+
+        qobject_unref(qnum);
+    }
+}
+
+static void float_number(void)
+{
+    struct {
+        const char *encoded;
+        double decoded;
+        const char *reencoded;
+    } test_cases[] = {
+        { "32.43", 32.43 },
+        { "0.222", 0.222 },
+        { "-32.12313", -32.12313, "-32.123130000000003" },
+        { "-32.20e-10", -32.20e-10, "-3.22e-09" },
+        { "18446744073709551616", 0x1p64, "1.8446744073709552e+19" },
+        { "-9223372036854775809", -0x1p63, "-9.2233720368547758e+18" },
+        {},
+    };
+    int i;
+    QNum *qnum;
+    int64_t ival;
+    uint64_t uval;
+    GString *str;
+
+    for (i = 0; test_cases[i].encoded; i++) {
+        qnum = qobject_to(QNum,
+                          qobject_from_json(test_cases[i].encoded,
+                                            &error_abort));
+        g_assert(qnum);
+        g_assert_cmpfloat(qnum_get_double(qnum), ==, test_cases[i].decoded);
+        g_assert(!qnum_get_try_int(qnum, &ival));
+        g_assert(!qnum_get_try_uint(qnum, &uval));
+
+        str = qobject_to_json(QOBJECT(qnum));
+        g_assert_cmpstr(str->str, ==,
+                        test_cases[i].reencoded ?: test_cases[i].encoded);
+        g_string_free(str, true);
+
+        qobject_unref(qnum);
+    }
+}
+
+static void keyword_literal(void)
+{
+    QObject *obj;
+    QBool *qbool;
+    QNull *null;
+    GString *str;
+
+    obj = qobject_from_json("true", &error_abort);
+    qbool = qobject_to(QBool, obj);
+    g_assert(qbool);
+    g_assert(qbool_get_bool(qbool) == true);
+
+    str = qobject_to_json(obj);
+    g_assert_cmpstr(str->str, ==, "true");
+    g_string_free(str, true);
+
+    qobject_unref(qbool);
+
+    obj = qobject_from_json("false", &error_abort);
+    qbool = qobject_to(QBool, obj);
+    g_assert(qbool);
+    g_assert(qbool_get_bool(qbool) == false);
+
+    str = qobject_to_json(obj);
+    g_assert_cmpstr(str->str, ==, "false");
+    g_string_free(str, true);
+
+    qobject_unref(qbool);
+
+    obj = qobject_from_json("null", &error_abort);
+    g_assert(obj != NULL);
+    g_assert(qobject_type(obj) == QTYPE_QNULL);
+
+    null = qnull();
+    g_assert(QOBJECT(null) == obj);
+
+    qobject_unref(obj);
+    qobject_unref(null);
+}
+
+static void interpolation_valid(void)
+{
+    long long value_lld = 0x123456789abcdefLL;
+    int64_t value_d64 = value_lld;
+    long value_ld = (long)value_lld;
+    int value_d = (int)value_lld;
+    unsigned long long value_llu = 0xfedcba9876543210ULL;
+    uint64_t value_u64 = value_llu;
+    unsigned long value_lu = (unsigned long)value_llu;
+    unsigned value_u = (unsigned)value_llu;
+    double value_f = 2.323423423;
+    const char *value_s = "hello world";
+    QObject *value_p = QOBJECT(qnull());
+    QBool *qbool;
+    QNum *qnum;
+    QString *qstr;
+    QObject *qobj;
+
+    /* bool */
+
+    qbool = qobject_to(QBool, qobject_from_jsonf_nofail("%i", false));
+    g_assert(qbool);
+    g_assert(qbool_get_bool(qbool) == false);
+    qobject_unref(qbool);
+
+    /* Test that non-zero values other than 1 get collapsed to true */
+    qbool = qobject_to(QBool, qobject_from_jsonf_nofail("%i", 2));
+    g_assert(qbool);
+    g_assert(qbool_get_bool(qbool) == true);
+    qobject_unref(qbool);
+
+    /* number */
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%d", value_d));
+    g_assert_cmpint(qnum_get_int(qnum), ==, value_d);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%ld", value_ld));
+    g_assert_cmpint(qnum_get_int(qnum), ==, value_ld);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%lld", value_lld));
+    g_assert_cmpint(qnum_get_int(qnum), ==, value_lld);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%" PRId64, value_d64));
+    g_assert_cmpint(qnum_get_int(qnum), ==, value_lld);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%u", value_u));
+    g_assert_cmpuint(qnum_get_uint(qnum), ==, value_u);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%lu", value_lu));
+    g_assert_cmpuint(qnum_get_uint(qnum), ==, value_lu);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%llu", value_llu));
+    g_assert_cmpuint(qnum_get_uint(qnum), ==, value_llu);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%" PRIu64, value_u64));
+    g_assert_cmpuint(qnum_get_uint(qnum), ==, value_llu);
+    qobject_unref(qnum);
+
+    qnum = qobject_to(QNum, qobject_from_jsonf_nofail("%f", value_f));
+    g_assert(qnum_get_double(qnum) == value_f);
+    qobject_unref(qnum);
+
+    /* string */
+
+    qstr = qobject_to(QString, qobject_from_jsonf_nofail("%s", value_s));
+    g_assert_cmpstr(qstring_get_str(qstr), ==, value_s);
+    qobject_unref(qstr);
+
+    /* object */
+
+    qobj = qobject_from_jsonf_nofail("%p", value_p);
+    g_assert(qobj == value_p);
+}
+
+static void interpolation_unknown(void)
+{
+    if (g_test_subprocess()) {
+        qobject_from_jsonf_nofail("%x", 666);
+    }
+    g_test_trap_subprocess(NULL, 0, 0);
+    g_test_trap_assert_failed();
+    g_test_trap_assert_stderr("*Unexpected error*"
+                              "invalid interpolation '%x'*");
+}
+
+static void interpolation_string(void)
+{
+    if (g_test_subprocess()) {
+        qobject_from_jsonf_nofail("['%s', %s]", "eins", "zwei");
+    }
+    g_test_trap_subprocess(NULL, 0, 0);
+    g_test_trap_assert_failed();
+    g_test_trap_assert_stderr("*Unexpected error*"
+                              "can't interpolate into string*");
+}
+
+static void simple_dict(void)
+{
+    int i;
+    struct {
+        const char *encoded;
+        QLitObject decoded;
+    } test_cases[] = {
+        {
+            .encoded = "{\"foo\": 42, \"bar\": \"hello world\"}",
+            .decoded = QLIT_QDICT(((QLitDictEntry[]){
+                        { "foo", QLIT_QNUM(42) },
+                        { "bar", QLIT_QSTR("hello world") },
+                        { }
+                    })),
+        }, {
+            .encoded = "{}",
+            .decoded = QLIT_QDICT(((QLitDictEntry[]){
+                        { }
+                    })),
+        }, {
+            .encoded = "{\"foo\": 43}",
+            .decoded = QLIT_QDICT(((QLitDictEntry[]){
+                        { "foo", QLIT_QNUM(43) },
+                        { }
+                    })),
+        },
+        { }
+    };
+
+    for (i = 0; test_cases[i].encoded; i++) {
+        QObject *obj;
+        GString *str;
+
+        obj = qobject_from_json(test_cases[i].encoded, &error_abort);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
+
+        str = qobject_to_json(obj);
+        qobject_unref(obj);
+
+        obj = qobject_from_json(str->str, &error_abort);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
+        qobject_unref(obj);
+        g_string_free(str, true);
+    }
+}
+
+/*
+ * this generates json of the form:
+ * a(0,m) = [0, 1, ..., m-1]
+ * a(n,m) = {
+ *            'key0': a(0,m),
+ *            'key1': a(1,m),
+ *            ...
+ *            'key(n-1)': a(n-1,m)
+ *          }
+ */
+static void gen_test_json(GString *gstr, int nest_level_max,
+                          int elem_count)
+{
+    int i;
+
+    g_assert(gstr);
+    if (nest_level_max == 0) {
+        g_string_append(gstr, "[");
+        for (i = 0; i < elem_count; i++) {
+            g_string_append_printf(gstr, "%d", i);
+            if (i < elem_count - 1) {
+                g_string_append_printf(gstr, ", ");
+            }
+        }
+        g_string_append(gstr, "]");
+        return;
+    }
+
+    g_string_append(gstr, "{");
+    for (i = 0; i < nest_level_max; i++) {
+        g_string_append_printf(gstr, "'key%d': ", i);
+        gen_test_json(gstr, i, elem_count);
+        if (i < nest_level_max - 1) {
+            g_string_append(gstr, ",");
+        }
+    }
+    g_string_append(gstr, "}");
+}
+
+static void large_dict(void)
+{
+    GString *gstr = g_string_new("");
+    QObject *obj;
+
+    gen_test_json(gstr, 10, 100);
+    obj = qobject_from_json(gstr->str, &error_abort);
+    g_assert(obj != NULL);
+
+    qobject_unref(obj);
+    g_string_free(gstr, true);
+}
+
+static void simple_list(void)
+{
+    int i;
+    struct {
+        const char *encoded;
+        QLitObject decoded;
+    } test_cases[] = {
+        {
+            .encoded = "[43,42]",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QNUM(43),
+                        QLIT_QNUM(42),
+                        { }
+                    })),
+        },
+        {
+            .encoded = "[43]",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QNUM(43),
+                        { }
+                    })),
+        },
+        {
+            .encoded = "[]",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        { }
+                    })),
+        },
+        {
+            .encoded = "[{}]",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QDICT(((QLitDictEntry[]){
+                                    {},
+                                        })),
+                        {},
+                            })),
+        },
+        { }
+    };
+
+    for (i = 0; test_cases[i].encoded; i++) {
+        QObject *obj;
+        GString *str;
+
+        obj = qobject_from_json(test_cases[i].encoded, &error_abort);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
+
+        str = qobject_to_json(obj);
+        qobject_unref(obj);
+
+        obj = qobject_from_json(str->str, &error_abort);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
+        qobject_unref(obj);
+        g_string_free(str, true);
+    }
+}
+
+static void simple_whitespace(void)
+{
+    int i;
+    struct {
+        const char *encoded;
+        QLitObject decoded;
+    } test_cases[] = {
+        {
+            .encoded = " [ 43 , 42 ]",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QNUM(43),
+                        QLIT_QNUM(42),
+                        { }
+                    })),
+        },
+        {
+            .encoded = "\t[ 43 , { 'h' : 'b' },\r\n\t[ ], 42 ]\n",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QNUM(43),
+                        QLIT_QDICT(((QLitDictEntry[]){
+                                    { "h", QLIT_QSTR("b") },
+                                    { }})),
+                        QLIT_QLIST(((QLitObject[]){
+                                    { }})),
+                        QLIT_QNUM(42),
+                        { }
+                    })),
+        },
+        {
+            .encoded = " [ 43 , { 'h' : 'b' , 'a' : 32 }, [ ], 42 ]",
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QNUM(43),
+                        QLIT_QDICT(((QLitDictEntry[]){
+                                    { "h", QLIT_QSTR("b") },
+                                    { "a", QLIT_QNUM(32) },
+                                    { }})),
+                        QLIT_QLIST(((QLitObject[]){
+                                    { }})),
+                        QLIT_QNUM(42),
+                        { }
+                    })),
+        },
+        { }
+    };
+
+    for (i = 0; test_cases[i].encoded; i++) {
+        QObject *obj;
+        GString *str;
+
+        obj = qobject_from_json(test_cases[i].encoded, &error_abort);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
+
+        str = qobject_to_json(obj);
+        qobject_unref(obj);
+
+        obj = qobject_from_json(str->str, &error_abort);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
+
+        qobject_unref(obj);
+        g_string_free(str, true);
+    }
+}
+
+static void simple_interpolation(void)
+{
+    QObject *embedded_obj;
+    QObject *obj;
+    QLitObject decoded = QLIT_QLIST(((QLitObject[]){
+            QLIT_QNUM(1),
+            QLIT_QSTR("100%"),
+            QLIT_QLIST(((QLitObject[]){
+                        QLIT_QNUM(32),
+                        QLIT_QNUM(42),
+                        {}})),
+            {}}));
+
+    embedded_obj = qobject_from_json("[32, 42]", &error_abort);
+    g_assert(embedded_obj != NULL);
+
+    obj = qobject_from_jsonf_nofail("[%d, '100%%', %p]", 1, embedded_obj);
+    g_assert(qlit_equal_qobject(&decoded, obj));
+
+    qobject_unref(obj);
+}
+
+static void empty_input(void)
+{
+    Error *err = NULL;
+    QObject *obj;
+
+    obj = qobject_from_json("", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void blank_input(void)
+{
+    Error *err = NULL;
+    QObject *obj;
+
+    obj = qobject_from_json("\n ", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void junk_input(void)
+{
+    /* Note: junk within strings is covered elsewhere */
+    Error *err = NULL;
+    QObject *obj;
+
+    obj = qobject_from_json("@", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+
+    obj = qobject_from_json("{\x01", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+
+    obj = qobject_from_json("[0\xFF]", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+
+    obj = qobject_from_json("00", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+
+    obj = qobject_from_json("[1e", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+
+    obj = qobject_from_json("truer", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_string(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("\"abc", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_sq_string(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("'abc", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_escape(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("\"abc\\\"", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_array(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("[32", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_array_comma(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("[32,", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void invalid_array_comma(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("[32,}", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_dict(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("{'abc':32", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_dict_comma(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("{'abc':32,", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void invalid_dict_comma(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("{'abc':32,}", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void invalid_dict_key(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("{32:'abc'}", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void unterminated_literal(void)
+{
+    Error *err = NULL;
+    QObject *obj = qobject_from_json("nul", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static char *make_nest(char *buf, size_t cnt)
+{
+    memset(buf, '[', cnt - 1);
+    buf[cnt - 1] = '{';
+    buf[cnt] = '}';
+    memset(buf + cnt + 1, ']', cnt - 1);
+    buf[2 * cnt] = 0;
+    return buf;
+}
+
+static void limits_nesting(void)
+{
+    Error *err = NULL;
+    enum { max_nesting = 1024 }; /* see qobject/json-streamer.c */
+    char buf[2 * (max_nesting + 1) + 1];
+    QObject *obj;
+
+    obj = qobject_from_json(make_nest(buf, max_nesting), &error_abort);
+    g_assert(obj != NULL);
+    qobject_unref(obj);
+
+    obj = qobject_from_json(make_nest(buf, max_nesting + 1), &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+static void multiple_values(void)
+{
+    Error *err = NULL;
+    QObject *obj;
+
+    obj = qobject_from_json("false true", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+
+    obj = qobject_from_json("} true", &err);
+    error_free_or_abort(&err);
+    g_assert(obj == NULL);
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    g_test_add_func("/literals/string/escaped", escaped_string);
+    g_test_add_func("/literals/string/quotes", string_with_quotes);
+    g_test_add_func("/literals/string/utf8", utf8_string);
+
+    g_test_add_func("/literals/number/int", int_number);
+    g_test_add_func("/literals/number/uint", uint_number);
+    g_test_add_func("/literals/number/float", float_number);
+
+    g_test_add_func("/literals/keyword", keyword_literal);
+
+    g_test_add_func("/literals/interpolation/valid", interpolation_valid);
+    g_test_add_func("/literals/interpolation/unkown", interpolation_unknown);
+    g_test_add_func("/literals/interpolation/string", interpolation_string);
+
+    g_test_add_func("/dicts/simple_dict", simple_dict);
+    g_test_add_func("/dicts/large_dict", large_dict);
+    g_test_add_func("/lists/simple_list", simple_list);
+
+    g_test_add_func("/mixed/simple_whitespace", simple_whitespace);
+    g_test_add_func("/mixed/interpolation", simple_interpolation);
+
+    g_test_add_func("/errors/empty", empty_input);
+    g_test_add_func("/errors/blank", blank_input);
+    g_test_add_func("/errors/junk", junk_input);
+    g_test_add_func("/errors/unterminated/string", unterminated_string);
+    g_test_add_func("/errors/unterminated/escape", unterminated_escape);
+    g_test_add_func("/errors/unterminated/sq_string", unterminated_sq_string);
+    g_test_add_func("/errors/unterminated/array", unterminated_array);
+    g_test_add_func("/errors/unterminated/array_comma", unterminated_array_comma);
+    g_test_add_func("/errors/unterminated/dict", unterminated_dict);
+    g_test_add_func("/errors/unterminated/dict_comma", unterminated_dict_comma);
+    g_test_add_func("/errors/invalid_array_comma", invalid_array_comma);
+    g_test_add_func("/errors/invalid_dict_comma", invalid_dict_comma);
+    g_test_add_func("/errors/invalid_dict_key", invalid_dict_key);
+    g_test_add_func("/errors/unterminated/literal", unterminated_literal);
+    g_test_add_func("/errors/limits/nesting", limits_nesting);
+    g_test_add_func("/errors/multiple_values", multiple_values);
+
+    return g_test_run();
+}