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main.c
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#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define CMARK_NO_SHORT_NAMES
#include <cmark-gfm.h>
#include "node.h"
#include <cmark-gfm-core-extensions.h>
#include "harness.h"
#include "cplusplus.h"
#define UTF8_REPL "\xEF\xBF\xBD"
static const cmark_node_type node_types[] = {
CMARK_NODE_DOCUMENT, CMARK_NODE_BLOCK_QUOTE, CMARK_NODE_LIST,
CMARK_NODE_ITEM, CMARK_NODE_CODE_BLOCK, CMARK_NODE_HTML_BLOCK,
CMARK_NODE_PARAGRAPH, CMARK_NODE_HEADING, CMARK_NODE_THEMATIC_BREAK,
CMARK_NODE_TEXT, CMARK_NODE_SOFTBREAK, CMARK_NODE_LINEBREAK,
CMARK_NODE_CODE, CMARK_NODE_HTML_INLINE, CMARK_NODE_EMPH,
CMARK_NODE_STRONG, CMARK_NODE_LINK, CMARK_NODE_IMAGE};
static const int num_node_types = sizeof(node_types) / sizeof(*node_types);
static void test_md_to_html(test_batch_runner *runner, const char *markdown,
const char *expected_html, const char *msg);
static void test_content(test_batch_runner *runner, cmark_node_type type,
unsigned int *allowed_content);
static void test_char(test_batch_runner *runner, int valid, const char *utf8,
const char *msg);
static void test_incomplete_char(test_batch_runner *runner, const char *utf8,
const char *msg);
static void test_continuation_byte(test_batch_runner *runner, const char *utf8);
static void version(test_batch_runner *runner) {
INT_EQ(runner, cmark_version(), CMARK_GFM_VERSION, "cmark_version");
STR_EQ(runner, cmark_version_string(), CMARK_GFM_VERSION_STRING,
"cmark_version_string");
}
static void constructor(test_batch_runner *runner) {
for (int i = 0; i < num_node_types; ++i) {
cmark_node_type type = node_types[i];
cmark_node *node = cmark_node_new(type);
OK(runner, node != NULL, "new type %d", type);
INT_EQ(runner, cmark_node_get_type(node), type, "get_type %d", type);
switch (node->type) {
case CMARK_NODE_HEADING:
INT_EQ(runner, cmark_node_get_heading_level(node), 1,
"default heading level is 1");
node->as.heading.level = 1;
break;
case CMARK_NODE_LIST:
INT_EQ(runner, cmark_node_get_list_type(node), CMARK_BULLET_LIST,
"default is list type is bullet");
INT_EQ(runner, cmark_node_get_list_delim(node), CMARK_NO_DELIM,
"default is list delim is NO_DELIM");
INT_EQ(runner, cmark_node_get_list_start(node), 0,
"default is list start is 0");
INT_EQ(runner, cmark_node_get_list_tight(node), 0,
"default is list is loose");
break;
default:
break;
}
cmark_node_free(node);
}
}
static void accessors(test_batch_runner *runner) {
static const char markdown[] = "## Header\n"
"\n"
"* Item 1\n"
"* Item 2\n"
"\n"
"2. Item 1\n"
"\n"
"3. Item 2\n"
"\n"
"``` lang\n"
"fenced\n"
"```\n"
" code\n"
"\n"
"<div>html</div>\n"
"\n"
"[link](url 'title')\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
// Getters
cmark_node *heading = cmark_node_first_child(doc);
INT_EQ(runner, cmark_node_get_heading_level(heading), 2, "get_heading_level");
cmark_node *bullet_list = cmark_node_next(heading);
INT_EQ(runner, cmark_node_get_list_type(bullet_list), CMARK_BULLET_LIST,
"get_list_type bullet");
INT_EQ(runner, cmark_node_get_list_tight(bullet_list), 1,
"get_list_tight tight");
cmark_node *ordered_list = cmark_node_next(bullet_list);
INT_EQ(runner, cmark_node_get_list_type(ordered_list), CMARK_ORDERED_LIST,
"get_list_type ordered");
INT_EQ(runner, cmark_node_get_list_delim(ordered_list), CMARK_PERIOD_DELIM,
"get_list_delim ordered");
INT_EQ(runner, cmark_node_get_list_start(ordered_list), 2, "get_list_start");
INT_EQ(runner, cmark_node_get_list_tight(ordered_list), 0,
"get_list_tight loose");
cmark_node *fenced = cmark_node_next(ordered_list);
STR_EQ(runner, cmark_node_get_literal(fenced), "fenced\n",
"get_literal fenced code");
STR_EQ(runner, cmark_node_get_fence_info(fenced), "lang", "get_fence_info");
cmark_node *code = cmark_node_next(fenced);
STR_EQ(runner, cmark_node_get_literal(code), "code\n",
"get_literal indented code");
cmark_node *html = cmark_node_next(code);
STR_EQ(runner, cmark_node_get_literal(html), "<div>html</div>\n",
"get_literal html");
cmark_node *paragraph = cmark_node_next(html);
INT_EQ(runner, cmark_node_get_start_line(paragraph), 17, "get_start_line");
INT_EQ(runner, cmark_node_get_start_column(paragraph), 1, "get_start_column");
INT_EQ(runner, cmark_node_get_end_line(paragraph), 17, "get_end_line");
cmark_node *link = cmark_node_first_child(paragraph);
STR_EQ(runner, cmark_node_get_url(link), "url", "get_url");
STR_EQ(runner, cmark_node_get_title(link), "title", "get_title");
cmark_node *string = cmark_node_first_child(link);
STR_EQ(runner, cmark_node_get_literal(string), "link", "get_literal string");
// Setters
OK(runner, cmark_node_set_heading_level(heading, 3), "set_heading_level");
OK(runner, cmark_node_set_list_type(bullet_list, CMARK_ORDERED_LIST),
"set_list_type ordered");
OK(runner, cmark_node_set_list_delim(bullet_list, CMARK_PAREN_DELIM),
"set_list_delim paren");
OK(runner, cmark_node_set_list_start(bullet_list, 3), "set_list_start");
OK(runner, cmark_node_set_list_tight(bullet_list, 0), "set_list_tight loose");
OK(runner, cmark_node_set_list_type(ordered_list, CMARK_BULLET_LIST),
"set_list_type bullet");
OK(runner, cmark_node_set_list_tight(ordered_list, 1),
"set_list_tight tight");
OK(runner, cmark_node_set_literal(code, "CODE\n"),
"set_literal indented code");
OK(runner, cmark_node_set_literal(fenced, "FENCED\n"),
"set_literal fenced code");
OK(runner, cmark_node_set_fence_info(fenced, "LANG"), "set_fence_info");
OK(runner, cmark_node_set_literal(html, "<div>HTML</div>\n"),
"set_literal html");
OK(runner, cmark_node_set_url(link, "URL"), "set_url");
OK(runner, cmark_node_set_title(link, "TITLE"), "set_title");
OK(runner, cmark_node_set_literal(string, "prefix-LINK"),
"set_literal string");
// Set literal to suffix of itself (issue #139).
const char *literal = cmark_node_get_literal(string);
OK(runner, cmark_node_set_literal(string, literal + sizeof("prefix")),
"set_literal suffix");
char *rendered_html = cmark_render_html(doc, CMARK_OPT_DEFAULT | CMARK_OPT_UNSAFE, NULL);
static const char expected_html[] =
"<h3>Header</h3>\n"
"<ol start=\"3\">\n"
"<li>\n"
"<p>Item 1</p>\n"
"</li>\n"
"<li>\n"
"<p>Item 2</p>\n"
"</li>\n"
"</ol>\n"
"<ul>\n"
"<li>Item 1</li>\n"
"<li>Item 2</li>\n"
"</ul>\n"
"<pre><code class=\"language-LANG\">FENCED\n"
"</code></pre>\n"
"<pre><code>CODE\n"
"</code></pre>\n"
"<div>HTML</div>\n"
"<p><a href=\"URL\" title=\"TITLE\">LINK</a></p>\n";
STR_EQ(runner, rendered_html, expected_html, "setters work");
free(rendered_html);
// Getter errors
INT_EQ(runner, cmark_node_get_heading_level(bullet_list), 0,
"get_heading_level error");
INT_EQ(runner, cmark_node_get_list_type(heading), CMARK_NO_LIST,
"get_list_type error");
INT_EQ(runner, cmark_node_get_list_start(code), 0, "get_list_start error");
INT_EQ(runner, cmark_node_get_list_tight(fenced), 0, "get_list_tight error");
OK(runner, cmark_node_get_literal(ordered_list) == NULL, "get_literal error");
OK(runner, cmark_node_get_fence_info(paragraph) == NULL,
"get_fence_info error");
OK(runner, cmark_node_get_url(html) == NULL, "get_url error");
OK(runner, cmark_node_get_title(heading) == NULL, "get_title error");
// Setter errors
OK(runner, !cmark_node_set_heading_level(bullet_list, 3),
"set_heading_level error");
OK(runner, !cmark_node_set_list_type(heading, CMARK_ORDERED_LIST),
"set_list_type error");
OK(runner, !cmark_node_set_list_start(code, 3), "set_list_start error");
OK(runner, !cmark_node_set_list_tight(fenced, 0), "set_list_tight error");
OK(runner, !cmark_node_set_literal(ordered_list, "content\n"),
"set_literal error");
OK(runner, !cmark_node_set_fence_info(paragraph, "lang"),
"set_fence_info error");
OK(runner, !cmark_node_set_url(html, "url"), "set_url error");
OK(runner, !cmark_node_set_title(heading, "title"), "set_title error");
OK(runner, !cmark_node_set_heading_level(heading, 0),
"set_heading_level too small");
OK(runner, !cmark_node_set_heading_level(heading, 7),
"set_heading_level too large");
OK(runner, !cmark_node_set_list_type(bullet_list, CMARK_NO_LIST),
"set_list_type invalid");
OK(runner, !cmark_node_set_list_start(bullet_list, -1),
"set_list_start negative");
cmark_node_free(doc);
}
static void node_check(test_batch_runner *runner) {
// Construct an incomplete tree.
cmark_node *doc = cmark_node_new(CMARK_NODE_DOCUMENT);
cmark_node *p1 = cmark_node_new(CMARK_NODE_PARAGRAPH);
cmark_node *p2 = cmark_node_new(CMARK_NODE_PARAGRAPH);
doc->first_child = p1;
p1->next = p2;
INT_EQ(runner, cmark_node_check(doc, NULL), 4, "node_check works");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "node_check fixes tree");
cmark_node_free(doc);
}
static void iterator(test_batch_runner *runner) {
cmark_node *doc = cmark_parse_document("> a *b*\n\nc", 10, CMARK_OPT_DEFAULT);
int parnodes = 0;
cmark_event_type ev_type;
cmark_iter *iter = cmark_iter_new(doc);
cmark_node *cur;
while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
cur = cmark_iter_get_node(iter);
if (cur->type == CMARK_NODE_PARAGRAPH && ev_type == CMARK_EVENT_ENTER) {
parnodes += 1;
}
}
INT_EQ(runner, parnodes, 2, "iterate correctly counts paragraphs");
cmark_iter_free(iter);
cmark_node_free(doc);
}
static void iterator_delete(test_batch_runner *runner) {
static const char md[] = "a *b* c\n"
"\n"
"* item1\n"
"* item2\n"
"\n"
"a `b` c\n"
"\n"
"* item1\n"
"* item2\n";
cmark_node *doc = cmark_parse_document(md, sizeof(md) - 1, CMARK_OPT_DEFAULT);
cmark_iter *iter = cmark_iter_new(doc);
cmark_event_type ev_type;
while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
cmark_node *node = cmark_iter_get_node(iter);
// Delete list, emph, and code nodes.
if ((ev_type == CMARK_EVENT_EXIT && node->type == CMARK_NODE_LIST) ||
(ev_type == CMARK_EVENT_EXIT && node->type == CMARK_NODE_EMPH) ||
(ev_type == CMARK_EVENT_ENTER && node->type == CMARK_NODE_CODE)) {
cmark_node_free(node);
}
}
char *html = cmark_render_html(doc, CMARK_OPT_DEFAULT, NULL);
static const char expected[] = "<p>a c</p>\n"
"<p>a c</p>\n";
STR_EQ(runner, html, expected, "iterate and delete nodes");
free(html);
cmark_iter_free(iter);
cmark_node_free(doc);
}
static void create_tree(test_batch_runner *runner) {
char *html;
cmark_node *doc = cmark_node_new(CMARK_NODE_DOCUMENT);
cmark_node *p = cmark_node_new(CMARK_NODE_PARAGRAPH);
OK(runner, !cmark_node_insert_before(doc, p), "insert before root fails");
OK(runner, !cmark_node_insert_after(doc, p), "insert after root fails");
OK(runner, cmark_node_append_child(doc, p), "append1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "append1 consistent");
OK(runner, cmark_node_parent(p) == doc, "node_parent");
cmark_node *emph = cmark_node_new(CMARK_NODE_EMPH);
OK(runner, cmark_node_prepend_child(p, emph), "prepend1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "prepend1 consistent");
cmark_node *str1 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str1, "Hello, ");
OK(runner, cmark_node_prepend_child(p, str1), "prepend2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "prepend2 consistent");
cmark_node *str3 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str3, "!");
OK(runner, cmark_node_append_child(p, str3), "append2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "append2 consistent");
cmark_node *str2 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str2, "world");
OK(runner, cmark_node_append_child(emph, str2), "append3");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "append3 consistent");
html = cmark_render_html(doc, CMARK_OPT_DEFAULT, NULL);
STR_EQ(runner, html, "<p>Hello, <em>world</em>!</p>\n", "render_html");
free(html);
OK(runner, cmark_node_insert_before(str1, str3), "ins before1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "ins before1 consistent");
// 31e
OK(runner, cmark_node_first_child(p) == str3, "ins before1 works");
OK(runner, cmark_node_insert_before(str1, emph), "ins before2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "ins before2 consistent");
// 3e1
OK(runner, cmark_node_last_child(p) == str1, "ins before2 works");
OK(runner, cmark_node_insert_after(str1, str3), "ins after1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "ins after1 consistent");
// e13
OK(runner, cmark_node_next(str1) == str3, "ins after1 works");
OK(runner, cmark_node_insert_after(str1, emph), "ins after2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "ins after2 consistent");
// 1e3
OK(runner, cmark_node_previous(emph) == str1, "ins after2 works");
cmark_node *str4 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str4, "brzz");
OK(runner, cmark_node_replace(str1, str4), "replace");
// The replaced node is not freed
cmark_node_free(str1);
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "replace consistent");
OK(runner, cmark_node_previous(emph) == str4, "replace works");
INT_EQ(runner, cmark_node_replace(p, str4), 0, "replace str for p fails");
cmark_node_unlink(emph);
html = cmark_render_html(doc, CMARK_OPT_DEFAULT, NULL);
STR_EQ(runner, html, "<p>brzz!</p>\n", "render_html after shuffling");
free(html);
cmark_node_free(doc);
// TODO: Test that the contents of an unlinked inline are valid
// after the parent block was destroyed. This doesn't work so far.
cmark_node_free(emph);
}
static void custom_nodes(test_batch_runner *runner) {
char *html;
char *man;
cmark_node *doc = cmark_node_new(CMARK_NODE_DOCUMENT);
cmark_node *p = cmark_node_new(CMARK_NODE_PARAGRAPH);
cmark_node_append_child(doc, p);
cmark_node *ci = cmark_node_new(CMARK_NODE_CUSTOM_INLINE);
cmark_node *str1 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str1, "Hello");
OK(runner, cmark_node_append_child(ci, str1), "append1");
OK(runner, cmark_node_set_on_enter(ci, "<ON ENTER|"), "set_on_enter");
OK(runner, cmark_node_set_on_exit(ci, "|ON EXIT>"), "set_on_exit");
STR_EQ(runner, cmark_node_get_on_enter(ci), "<ON ENTER|", "get_on_enter");
STR_EQ(runner, cmark_node_get_on_exit(ci), "|ON EXIT>", "get_on_exit");
cmark_node_append_child(p, ci);
cmark_node *cb = cmark_node_new(CMARK_NODE_CUSTOM_BLOCK);
cmark_node_set_on_enter(cb, "<on enter|");
// leave on_exit unset
STR_EQ(runner, cmark_node_get_on_exit(cb), "", "get_on_exit (empty)");
cmark_node_append_child(doc, cb);
html = cmark_render_html(doc, CMARK_OPT_DEFAULT, NULL);
STR_EQ(runner, html, "<p><ON ENTER|Hello|ON EXIT></p>\n<on enter|\n",
"render_html");
free(html);
man = cmark_render_man(doc, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, man, ".PP\n<ON ENTER|Hello|ON EXIT>\n<on enter|\n",
"render_man");
free(man);
cmark_node_free(doc);
}
void hierarchy(test_batch_runner *runner) {
cmark_node *bquote1 = cmark_node_new(CMARK_NODE_BLOCK_QUOTE);
cmark_node *bquote2 = cmark_node_new(CMARK_NODE_BLOCK_QUOTE);
cmark_node *bquote3 = cmark_node_new(CMARK_NODE_BLOCK_QUOTE);
OK(runner, cmark_node_append_child(bquote1, bquote2), "append bquote2");
OK(runner, cmark_node_append_child(bquote2, bquote3), "append bquote3");
OK(runner, !cmark_node_append_child(bquote3, bquote3),
"adding a node as child of itself fails");
OK(runner, !cmark_node_append_child(bquote3, bquote1),
"adding a parent as child fails");
cmark_node_free(bquote1);
unsigned int list_item_flag[] = {CMARK_NODE_ITEM, 0};
unsigned int top_level_blocks[] = {
CMARK_NODE_BLOCK_QUOTE, CMARK_NODE_LIST,
CMARK_NODE_CODE_BLOCK, CMARK_NODE_HTML_BLOCK,
CMARK_NODE_PARAGRAPH, CMARK_NODE_HEADING,
CMARK_NODE_THEMATIC_BREAK, 0};
unsigned int all_inlines[] = {
CMARK_NODE_TEXT, CMARK_NODE_SOFTBREAK,
CMARK_NODE_LINEBREAK, CMARK_NODE_CODE,
CMARK_NODE_HTML_INLINE, CMARK_NODE_EMPH,
CMARK_NODE_STRONG, CMARK_NODE_LINK,
CMARK_NODE_IMAGE, 0};
test_content(runner, CMARK_NODE_DOCUMENT, top_level_blocks);
test_content(runner, CMARK_NODE_BLOCK_QUOTE, top_level_blocks);
test_content(runner, CMARK_NODE_LIST, list_item_flag);
test_content(runner, CMARK_NODE_ITEM, top_level_blocks);
test_content(runner, CMARK_NODE_CODE_BLOCK, 0);
test_content(runner, CMARK_NODE_HTML_BLOCK, 0);
test_content(runner, CMARK_NODE_PARAGRAPH, all_inlines);
test_content(runner, CMARK_NODE_HEADING, all_inlines);
test_content(runner, CMARK_NODE_THEMATIC_BREAK, 0);
test_content(runner, CMARK_NODE_TEXT, 0);
test_content(runner, CMARK_NODE_SOFTBREAK, 0);
test_content(runner, CMARK_NODE_LINEBREAK, 0);
test_content(runner, CMARK_NODE_CODE, 0);
test_content(runner, CMARK_NODE_HTML_INLINE, 0);
test_content(runner, CMARK_NODE_EMPH, all_inlines);
test_content(runner, CMARK_NODE_STRONG, all_inlines);
test_content(runner, CMARK_NODE_LINK, all_inlines);
test_content(runner, CMARK_NODE_IMAGE, all_inlines);
}
static void test_content(test_batch_runner *runner, cmark_node_type type,
unsigned int *allowed_content) {
cmark_node *node = cmark_node_new(type);
for (int i = 0; i < num_node_types; ++i) {
cmark_node_type child_type = node_types[i];
cmark_node *child = cmark_node_new(child_type);
int got = cmark_node_append_child(node, child);
int expected = 0;
if (allowed_content)
for (unsigned int *p = allowed_content; *p; ++p)
expected |= *p == (unsigned int)child_type;
INT_EQ(runner, got, expected, "add %d as child of %d", child_type, type);
cmark_node_free(child);
}
cmark_node_free(node);
}
static void parser(test_batch_runner *runner) {
test_md_to_html(runner, "No newline", "<p>No newline</p>\n",
"document without trailing newline");
}
static void render_html(test_batch_runner *runner) {
char *html;
static const char markdown[] = "foo *bar*\n"
"\n"
"paragraph 2\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
cmark_node *paragraph = cmark_node_first_child(doc);
html = cmark_render_html(paragraph, CMARK_OPT_DEFAULT, NULL);
STR_EQ(runner, html, "<p>foo <em>bar</em></p>\n", "render single paragraph");
free(html);
cmark_node *string = cmark_node_first_child(paragraph);
html = cmark_render_html(string, CMARK_OPT_DEFAULT, NULL);
STR_EQ(runner, html, "foo ", "render single inline");
free(html);
cmark_node *emph = cmark_node_next(string);
html = cmark_render_html(emph, CMARK_OPT_DEFAULT, NULL);
STR_EQ(runner, html, "<em>bar</em>", "render inline with children");
free(html);
cmark_node_free(doc);
}
static void render_xml(test_batch_runner *runner) {
char *xml;
static const char markdown[] = "foo *bar*\n"
"\n"
"paragraph 2\n"
"\n"
"```\ncode\n```\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
xml = cmark_render_xml(doc, CMARK_OPT_DEFAULT);
STR_EQ(runner, xml, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n"
"<document xmlns=\"http://commonmark.org/xml/1.0\">\n"
" <paragraph>\n"
" <text xml:space=\"preserve\">foo </text>\n"
" <emph>\n"
" <text xml:space=\"preserve\">bar</text>\n"
" </emph>\n"
" </paragraph>\n"
" <paragraph>\n"
" <text xml:space=\"preserve\">paragraph 2</text>\n"
" </paragraph>\n"
" <code_block xml:space=\"preserve\">code\n"
"</code_block>\n"
"</document>\n",
"render document");
free(xml);
cmark_node *paragraph = cmark_node_first_child(doc);
xml = cmark_render_xml(paragraph, CMARK_OPT_DEFAULT | CMARK_OPT_SOURCEPOS);
STR_EQ(runner, xml, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n"
"<paragraph sourcepos=\"1:1-1:9\">\n"
" <text sourcepos=\"1:1-1:4\" xml:space=\"preserve\">foo </text>\n"
" <emph sourcepos=\"1:5-1:9\">\n"
" <text sourcepos=\"1:6-1:8\" xml:space=\"preserve\">bar</text>\n"
" </emph>\n"
"</paragraph>\n",
"render first paragraph with source pos");
free(xml);
cmark_node_free(doc);
}
static void render_man(test_batch_runner *runner) {
char *man;
static const char markdown[] = "foo *bar*\n"
"\n"
"- Lorem ipsum dolor sit amet,\n"
" consectetur adipiscing elit,\n"
"- sed do eiusmod tempor incididunt\n"
" ut labore et dolore magna aliqua.\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
man = cmark_render_man(doc, CMARK_OPT_DEFAULT, 20);
STR_EQ(runner, man, ".PP\n"
"foo \\f[I]bar\\f[]\n"
".IP \\[bu] 2\n"
"Lorem ipsum dolor\n"
"sit amet,\n"
"consectetur\n"
"adipiscing elit,\n"
".IP \\[bu] 2\n"
"sed do eiusmod\n"
"tempor incididunt ut\n"
"labore et dolore\n"
"magna aliqua.\n",
"render document with wrapping");
free(man);
man = cmark_render_man(doc, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, man, ".PP\n"
"foo \\f[I]bar\\f[]\n"
".IP \\[bu] 2\n"
"Lorem ipsum dolor sit amet,\n"
"consectetur adipiscing elit,\n"
".IP \\[bu] 2\n"
"sed do eiusmod tempor incididunt\n"
"ut labore et dolore magna aliqua.\n",
"render document without wrapping");
free(man);
cmark_node_free(doc);
}
static void render_latex(test_batch_runner *runner) {
char *latex;
static const char markdown[] = "foo *bar* $%\n"
"\n"
"- Lorem ipsum dolor sit amet,\n"
" consectetur adipiscing elit,\n"
"- sed do eiusmod tempor incididunt\n"
" ut labore et dolore magna aliqua.\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
latex = cmark_render_latex(doc, CMARK_OPT_DEFAULT, 20);
STR_EQ(runner, latex, "foo \\emph{bar} \\$\\%\n"
"\n"
"\\begin{itemize}\n"
"\\item Lorem ipsum\n"
"dolor sit amet,\n"
"consectetur\n"
"adipiscing elit,\n"
"\n"
"\\item sed do eiusmod\n"
"tempor incididunt ut\n"
"labore et dolore\n"
"magna aliqua.\n"
"\n"
"\\end{itemize}\n",
"render document with wrapping");
free(latex);
latex = cmark_render_latex(doc, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, latex, "foo \\emph{bar} \\$\\%\n"
"\n"
"\\begin{itemize}\n"
"\\item Lorem ipsum dolor sit amet,\n"
"consectetur adipiscing elit,\n"
"\n"
"\\item sed do eiusmod tempor incididunt\n"
"ut labore et dolore magna aliqua.\n"
"\n"
"\\end{itemize}\n",
"render document without wrapping");
free(latex);
cmark_node_free(doc);
}
static void render_commonmark(test_batch_runner *runner) {
char *commonmark;
static const char markdown[] = "> \\- foo *bar* \\*bar\\*\n"
"\n"
"- Lorem ipsum dolor sit amet,\n"
" consectetur adipiscing elit,\n"
"- sed do eiusmod tempor incididunt\n"
" ut labore et dolore magna aliqua.\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
commonmark = cmark_render_commonmark(doc, CMARK_OPT_DEFAULT, 26);
STR_EQ(runner, commonmark, "> \\- foo *bar* \\*bar\\*\n"
"\n"
" - Lorem ipsum dolor sit\n"
" amet, consectetur\n"
" adipiscing elit,\n"
" - sed do eiusmod tempor\n"
" incididunt ut labore\n"
" et dolore magna\n"
" aliqua.\n",
"render document with wrapping");
free(commonmark);
commonmark = cmark_render_commonmark(doc, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, commonmark, "> \\- foo *bar* \\*bar\\*\n"
"\n"
" - Lorem ipsum dolor sit amet,\n"
" consectetur adipiscing elit,\n"
" - sed do eiusmod tempor incididunt\n"
" ut labore et dolore magna aliqua.\n",
"render document without wrapping");
free(commonmark);
cmark_node *text = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(text, "Hi");
commonmark = cmark_render_commonmark(text, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, commonmark, "Hi\n", "render single inline node");
free(commonmark);
cmark_node_free(text);
cmark_node_free(doc);
}
static void render_plaintext(test_batch_runner *runner) {
char *plaintext;
static const char markdown[] = "> \\- foo *bar* \\*bar\\*\n"
"\n"
"- Lorem ipsum dolor sit amet,\n"
" consectetur adipiscing elit,\n"
"- sed do eiusmod tempor incididunt\n"
" ut labore et dolore magna aliqua.\n";
cmark_node *doc =
cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
plaintext = cmark_render_plaintext(doc, CMARK_OPT_DEFAULT, 26);
STR_EQ(runner, plaintext, "- foo bar *bar*\n"
"\n"
" - Lorem ipsum dolor sit\n"
" amet, consectetur\n"
" adipiscing elit,\n"
" - sed do eiusmod tempor\n"
" incididunt ut labore\n"
" et dolore magna\n"
" aliqua.\n",
"render document with wrapping");
free(plaintext);
plaintext = cmark_render_plaintext(doc, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, plaintext, "- foo bar *bar*\n"
"\n"
" - Lorem ipsum dolor sit amet,\n"
" consectetur adipiscing elit,\n"
" - sed do eiusmod tempor incididunt\n"
" ut labore et dolore magna aliqua.\n",
"render document without wrapping");
free(plaintext);
cmark_node *text = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(text, "Hi");
plaintext = cmark_render_plaintext(text, CMARK_OPT_DEFAULT, 0);
STR_EQ(runner, plaintext, "Hi\n", "render single inline node");
free(plaintext);
cmark_node_free(text);
cmark_node_free(doc);
}
static void utf8(test_batch_runner *runner) {
// Ranges
test_char(runner, 1, "\x01", "valid utf8 01");
test_char(runner, 1, "\x7F", "valid utf8 7F");
test_char(runner, 0, "\x80", "invalid utf8 80");
test_char(runner, 0, "\xBF", "invalid utf8 BF");
test_char(runner, 0, "\xC0\x80", "invalid utf8 C080");
test_char(runner, 0, "\xC1\xBF", "invalid utf8 C1BF");
test_char(runner, 1, "\xC2\x80", "valid utf8 C280");
test_char(runner, 1, "\xDF\xBF", "valid utf8 DFBF");
test_char(runner, 0, "\xE0\x80\x80", "invalid utf8 E08080");
test_char(runner, 0, "\xE0\x9F\xBF", "invalid utf8 E09FBF");
test_char(runner, 1, "\xE0\xA0\x80", "valid utf8 E0A080");
test_char(runner, 1, "\xED\x9F\xBF", "valid utf8 ED9FBF");
test_char(runner, 0, "\xED\xA0\x80", "invalid utf8 EDA080");
test_char(runner, 0, "\xED\xBF\xBF", "invalid utf8 EDBFBF");
test_char(runner, 0, "\xF0\x80\x80\x80", "invalid utf8 F0808080");
test_char(runner, 0, "\xF0\x8F\xBF\xBF", "invalid utf8 F08FBFBF");
test_char(runner, 1, "\xF0\x90\x80\x80", "valid utf8 F0908080");
test_char(runner, 1, "\xF4\x8F\xBF\xBF", "valid utf8 F48FBFBF");
test_char(runner, 0, "\xF4\x90\x80\x80", "invalid utf8 F4908080");
test_char(runner, 0, "\xF7\xBF\xBF\xBF", "invalid utf8 F7BFBFBF");
test_char(runner, 0, "\xF8", "invalid utf8 F8");
test_char(runner, 0, "\xFF", "invalid utf8 FF");
// Incomplete byte sequences at end of input
test_incomplete_char(runner, "\xE0\xA0", "invalid utf8 E0A0");
test_incomplete_char(runner, "\xF0\x90\x80", "invalid utf8 F09080");
// Invalid continuation bytes
test_continuation_byte(runner, "\xC2\x80");
test_continuation_byte(runner, "\xE0\xA0\x80");
test_continuation_byte(runner, "\xF0\x90\x80\x80");
// Test string containing null character
static const char string_with_null[] = "((((\0))))";
char *html = cmark_markdown_to_html(
string_with_null, sizeof(string_with_null) - 1, CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<p>((((" UTF8_REPL "))))</p>\n", "utf8 with U+0000");
free(html);
// Test NUL followed by newline
static const char string_with_nul_lf[] = "```\n\0\n```\n";
html = cmark_markdown_to_html(
string_with_nul_lf, sizeof(string_with_nul_lf) - 1, CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<pre><code>\xef\xbf\xbd\n</code></pre>\n",
"utf8 with \\0\\n");
free(html);
// Test byte-order marker
static const char string_with_bom[] = "\xef\xbb\xbf# Hello\n";
html = cmark_markdown_to_html(
string_with_bom, sizeof(string_with_bom) - 1, CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<h1>Hello</h1>\n", "utf8 with BOM");
free(html);
}
static void test_char(test_batch_runner *runner, int valid, const char *utf8,
const char *msg) {
char buf[20];
sprintf(buf, "((((%s))))", utf8);
if (valid) {
char expected[30];
sprintf(expected, "<p>((((%s))))</p>\n", utf8);
test_md_to_html(runner, buf, expected, msg);
} else {
test_md_to_html(runner, buf, "<p>((((" UTF8_REPL "))))</p>\n", msg);
}
}
static void test_incomplete_char(test_batch_runner *runner, const char *utf8,
const char *msg) {
char buf[20];
sprintf(buf, "----%s", utf8);
test_md_to_html(runner, buf, "<p>----" UTF8_REPL "</p>\n", msg);
}
static void test_continuation_byte(test_batch_runner *runner,
const char *utf8) {
size_t len = strlen(utf8);
for (size_t pos = 1; pos < len; ++pos) {
char buf[20];
sprintf(buf, "((((%s))))", utf8);
buf[4 + pos] = '\x20';
char expected[50];
strcpy(expected, "<p>((((" UTF8_REPL "\x20");
for (size_t i = pos + 1; i < len; ++i) {
strcat(expected, UTF8_REPL);
}
strcat(expected, "))))</p>\n");
char *html =
cmark_markdown_to_html(buf, strlen(buf), CMARK_OPT_VALIDATE_UTF8);
STR_EQ(runner, html, expected, "invalid utf8 continuation byte %zu/%zu", pos,
len);
free(html);
}
}
static void line_endings(test_batch_runner *runner) {
// Test list with different line endings
static const char list_with_endings[] = "- a\n- b\r\n- c\r- d";
char *html = cmark_markdown_to_html(
list_with_endings, sizeof(list_with_endings) - 1, CMARK_OPT_DEFAULT);
STR_EQ(runner, html,
"<ul>\n<li>a</li>\n<li>b</li>\n<li>c</li>\n<li>d</li>\n</ul>\n",
"list with different line endings");
free(html);
static const char crlf_lines[] = "line\r\nline\r\n";
html = cmark_markdown_to_html(crlf_lines, sizeof(crlf_lines) - 1,
CMARK_OPT_DEFAULT | CMARK_OPT_HARDBREAKS);
STR_EQ(runner, html, "<p>line<br />\nline</p>\n",
"crlf endings with CMARK_OPT_HARDBREAKS");
free(html);
html = cmark_markdown_to_html(crlf_lines, sizeof(crlf_lines) - 1,
CMARK_OPT_DEFAULT | CMARK_OPT_NOBREAKS);
STR_EQ(runner, html, "<p>line line</p>\n",
"crlf endings with CMARK_OPT_NOBREAKS");
free(html);
static const char no_line_ending[] = "```\nline\n```";
html = cmark_markdown_to_html(no_line_ending, sizeof(no_line_ending) - 1,
CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<pre><code>line\n</code></pre>\n",
"fenced code block with no final newline");
free(html);
}
static void numeric_entities(test_batch_runner *runner) {
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 0");
test_md_to_html(runner, "퟿", "<p>\xED\x9F\xBF</p>\n",
"Valid numeric entity 0xD7FF");
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 0xD800");
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 0xDFFF");
test_md_to_html(runner, "", "<p>\xEE\x80\x80</p>\n",
"Valid numeric entity 0xE000");
test_md_to_html(runner, "", "<p>\xF4\x8F\xBF\xBF</p>\n",
"Valid numeric entity 0x10FFFF");
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 0x110000");
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 0x80000000");
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 0xFFFFFFFF");
test_md_to_html(runner, "�", "<p>" UTF8_REPL "</p>\n",
"Invalid numeric entity 99999999");
test_md_to_html(runner, "&#;", "<p>&#;</p>\n",
"Min decimal entity length");
test_md_to_html(runner, "&#x;", "<p>&#x;</p>\n",
"Min hexadecimal entity length");
test_md_to_html(runner, "�", "<p>&#999999999;</p>\n",
"Max decimal entity length");
test_md_to_html(runner, "A", "<p>&#x000000041;</p>\n",
"Max hexadecimal entity length");
}
static void test_safe(test_batch_runner *runner) {
// Test safe mode
static const char raw_html[] = "<div>\nhi\n</div>\n\n<a>hi</"
"a>\n[link](JAVAscript:alert('hi'))\n![image]("
"file:my.js)\n";
char *html = cmark_markdown_to_html(raw_html, sizeof(raw_html) - 1,
CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<!-- raw HTML omitted -->\n<p><!-- raw HTML omitted "
"-->hi<!-- raw HTML omitted -->\n<a "
"href=\"\">link</a>\n<img src=\"\" alt=\"image\" "
"/></p>\n",
"input with raw HTML and dangerous links");
free(html);
}
static void test_md_to_html(test_batch_runner *runner, const char *markdown,
const char *expected_html, const char *msg) {
char *html = cmark_markdown_to_html(markdown, strlen(markdown),
CMARK_OPT_VALIDATE_UTF8);
STR_EQ(runner, html, expected_html, msg);
free(html);
}
static void test_feed_across_line_ending(test_batch_runner *runner) {
// See #117
cmark_parser *parser = cmark_parser_new(CMARK_OPT_DEFAULT);
cmark_parser_feed(parser, "line1\r", 6);
cmark_parser_feed(parser, "\nline2\r\n", 8);
cmark_node *document = cmark_parser_finish(parser);
OK(runner, document->first_child->next == NULL, "document has one paragraph");
cmark_parser_free(parser);
cmark_node_free(document);
}
#if !defined(_WIN32) || defined(__CYGWIN__)
# include <sys/time.h>
static struct timeval _before, _after;
static int _timing;
# define START_TIMING() \
gettimeofday(&_before, NULL)
# define END_TIMING() \
do { \
gettimeofday(&_after, NULL); \
_timing = (_after.tv_sec - _before.tv_sec) * 1000 + (_after.tv_usec - _before.tv_usec) / 1000; \
} while (0)
# define TIMING _timing
#else
# define START_TIMING()
# define END_TIMING()
# define TIMING 0
#endif
static void test_pathological_regressions(test_batch_runner *runner) {
{
// I don't care what the output is, so long as it doesn't take too long.
char path[] = "[a](b";
char *input = (char *)calloc(1, (sizeof(path) - 1) * 50000);
for (int i = 0; i < 50000; ++i)
memcpy(input + i * (sizeof(path) - 1), path, sizeof(path) - 1);
START_TIMING();
char *html = cmark_markdown_to_html(input, (sizeof(path) - 1) * 50000,
CMARK_OPT_VALIDATE_UTF8);
END_TIMING();
free(html);
free(input);
OK(runner, TIMING < 1000, "takes less than 1000ms to run");
}
{
char path[] = "[a](<b";
char *input = (char *)calloc(1, (sizeof(path) - 1) * 50000);
for (int i = 0; i < 50000; ++i)
memcpy(input + i * (sizeof(path) - 1), path, sizeof(path) - 1);
START_TIMING();
char *html = cmark_markdown_to_html(input, (sizeof(path) - 1) * 50000,
CMARK_OPT_VALIDATE_UTF8);
END_TIMING();
free(html);
free(input);
OK(runner, TIMING < 1000, "takes less than 1000ms to run");
}
}
static void source_pos(test_batch_runner *runner) {
static const char markdown[] =
"# Hi *there*.\n"
"\n"