From f7548d6d28c313cf80e6f3ef89aed16a19815df1 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:51:24 +0200
Subject: Adding upstream version 1:2.3.19.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/lib-mail/test-mail-html2text.c | 120 +++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 src/lib-mail/test-mail-html2text.c

(limited to 'src/lib-mail/test-mail-html2text.c')

diff --git a/src/lib-mail/test-mail-html2text.c b/src/lib-mail/test-mail-html2text.c
new file mode 100644
index 0000000..73e93f7
--- /dev/null
+++ b/src/lib-mail/test-mail-html2text.c
@@ -0,0 +1,120 @@
+/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "str.h"
+#include "istream.h"
+#include "mail-html2text.h"
+#include "test-common.h"
+
+static const struct {
+	const char *input;
+	const char *output;
+} tests[] = {
+	{ "&&aaaaaaaaaa", "" },
+
+	{ "a&amp;&lt;&clubs;&gt;b",
+	  "a&<\xE2\x99\xA3>b" },
+	{ "&", "" },
+	{ "&amp", "" },
+
+	{ "a<style>stylesheet is ignored</style>b",
+	  "a b" },
+	{ "a<stylea>b</stylea>c",
+	  "a b c" },
+	{ "a<!--x <p foo=\"bar\">commented tags ignored also</p> y-->b",
+	  "ab" },
+	{ "a<script>javascript <p>foo</p> ignored</script>b",
+	  "a b" },
+	{ "a<scripta>b</scripta>c",
+	  "a b c" },
+	{ "a<blockquote><blockquote>second level</blockquote>ignored</blockquote>b",
+	  "a b" },
+	{ "a<![CDATA[<style>]] >b</style>]]>c",
+	  "a<style>]] >b</style>c" },
+
+	{ "a<foo", "a" },
+	{ "a<blockquote", "a" },
+	{ "a<blockquote>foo</blockquote", "a " },
+	{ "a<", "a" },
+	{ "a<![CDATA[b", "ab" },
+	{ "a<![CDATA[b]]", "ab" },
+	{ "a&#228;", "a\xC3\xA4" },
+	{ "a&#xe4;", "a\xC3\xA4" },
+	{ "&#8364;", "\xE2\x82\xAC" },
+	{ "&#deee;", "" }, // invalid codepoint
+};
+
+static const char *test_blockquote_input[] = {
+	"a<blockquote>b<blockquote><blockquote>c</blockquote>d</blockquote>e</blockquote>f",
+	"a&amp;<blockquote>b&amp;<blockquote>&amp;<blockquote>&amp;c</blockquote>d&amp;</blockquote>&amp;e</blockquote>f&amp;",
+	NULL
+};
+
+static const char *test_blockquote_output[] = {
+	"a\n> b\n> \n> c\n> d\n> e\nf",
+	"a&\n> b&\n> &\n> &c\n> d&\n> &e\nf&",
+	NULL
+};
+
+static void test_mail_html2text(void)
+{
+	string_t *str = t_str_new(128);
+	struct mail_html2text *ht;
+	unsigned int i, j;
+
+	test_begin("mail_html2text()");
+	for (i = 0; i < N_ELEMENTS(tests); i++) {
+		ht = mail_html2text_init(MAIL_HTML2TEXT_FLAG_SKIP_QUOTED);
+		for (j = 0; tests[i].input[j] != '\0'; j++) {
+			unsigned char c = tests[i].input[j];
+			mail_html2text_more(ht, &c, 1, str);
+		}
+		test_assert_idx(strcmp(str_c(str), tests[i].output) == 0, i);
+		mail_html2text_deinit(&ht);
+		str_truncate(str, 0);
+	}
+
+	/* test without skipping quoted */
+	for (unsigned int i = 0; test_blockquote_input[i] != NULL; i++) {
+		str_truncate(str, 0);
+		ht = mail_html2text_init(0);
+		mail_html2text_more(ht, (const void *)test_blockquote_input[i],
+				    strlen(test_blockquote_input[i]), str);
+		test_assert_idx(strcmp(str_c(str), test_blockquote_output[i]) == 0, i);
+		mail_html2text_deinit(&ht);
+	}
+
+	test_end();
+}
+
+static void test_mail_html2text_random(void)
+{
+	string_t *str = t_str_new(128);
+	struct mail_html2text *ht;
+
+	test_begin("mail_html2text() random");
+	for (unsigned int i = 0; i < 1000; i++) {
+		char valid_chars[] = { '0', 'a', '<', '>', '&', ';', '\\', '\'', '"', '/' };
+		unsigned char s[2];
+
+		ht = mail_html2text_init(0);
+		for (unsigned int i = 0; i < 100; i++) {
+			s[0] = valid_chars[i_rand_limit(N_ELEMENTS(valid_chars))];
+			s[1] = valid_chars[i_rand_limit(N_ELEMENTS(valid_chars))];
+			mail_html2text_more(ht, s, i_rand_minmax(1, 2), str);
+		}
+		mail_html2text_deinit(&ht);
+		str_truncate(str, 0);
+	}
+	test_end();
+}
+
+int main(void)
+{
+	static void (*const test_functions[])(void) = {
+		test_mail_html2text,
+		test_mail_html2text_random,
+		NULL
+	};
+	return test_run(test_functions);
+}
-- 
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