-/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2013 Dave Reisner
-***/
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "alloc-util.h"
#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
#include "utf8.h"
#include "util.h"
-static void test_utf8_is_printable(void) {
+TEST(utf8_is_printable) {
assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
assert_se(utf8_is_printable("\342\204\242", 3));
assert_se(!utf8_is_printable("\341\204", 2));
assert_se(utf8_is_printable("ąę", 4));
+ assert_se(!utf8_is_printable("\r", 1));
+ assert_se(utf8_is_printable("\n", 1));
+ assert_se(utf8_is_printable("\t", 1));
+}
+
+TEST(utf8_n_is_valid) {
+ assert_se( utf8_is_valid_n("ascii is valid unicode", 21));
+ assert_se( utf8_is_valid_n("ascii is valid unicode", 22));
+ assert_se(!utf8_is_valid_n("ascii is valid unicode", 23));
+ assert_se( utf8_is_valid_n("\342\204\242", 0));
+ assert_se(!utf8_is_valid_n("\342\204\242", 1));
+ assert_se(!utf8_is_valid_n("\342\204\242", 2));
+ assert_se( utf8_is_valid_n("\342\204\242", 3));
+ assert_se(!utf8_is_valid_n("\342\204\242", 4));
+ assert_se( utf8_is_valid_n("<ZZ>", 0));
+ assert_se( utf8_is_valid_n("<ZZ>", 1));
+ assert_se( utf8_is_valid_n("<ZZ>", 2));
+ assert_se( utf8_is_valid_n("<ZZ>", 3));
+ assert_se( utf8_is_valid_n("<ZZ>", 4));
+ assert_se(!utf8_is_valid_n("<ZZ>", 5));
}
-static void test_utf8_is_valid(void) {
+TEST(utf8_is_valid) {
assert_se(utf8_is_valid("ascii is valid unicode"));
assert_se(utf8_is_valid("\342\204\242"));
assert_se(!utf8_is_valid("\341\204"));
}
-static void test_ascii_is_valid(void) {
- assert_se(ascii_is_valid("alsdjf\t\vbarr\nba z"));
+TEST(ascii_is_valid) {
+ assert_se( ascii_is_valid("alsdjf\t\vbarr\nba z"));
assert_se(!ascii_is_valid("\342\204\242"));
assert_se(!ascii_is_valid("\341\204"));
}
-static void test_utf8_encoded_valid_unichar(void) {
- assert_se(utf8_encoded_valid_unichar("\342\204\242") == 3);
- assert_se(utf8_encoded_valid_unichar("\302\256") == 2);
- assert_se(utf8_encoded_valid_unichar("a") == 1);
- assert_se(utf8_encoded_valid_unichar("\341\204") < 0);
- assert_se(utf8_encoded_valid_unichar("\341\204\341\204") < 0);
+TEST(ascii_is_valid_n) {
+ assert_se( ascii_is_valid_n("alsdjf\t\vbarr\nba z", 17));
+ assert_se( ascii_is_valid_n("alsdjf\t\vbarr\nba z", 16));
+ assert_se(!ascii_is_valid_n("alsdjf\t\vbarr\nba z", 18));
+ assert_se(!ascii_is_valid_n("\342\204\242", 3));
+ assert_se(!ascii_is_valid_n("\342\204\242", 2));
+ assert_se(!ascii_is_valid_n("\342\204\242", 1));
+ assert_se( ascii_is_valid_n("\342\204\242", 0));
+}
+
+static void test_utf8_to_ascii_one(const char *s, int r_expected, const char *expected) {
+ _cleanup_free_ char *ans = NULL;
+ int r;
+
+ r = utf8_to_ascii(s, '*', &ans);
+ log_debug("\"%s\" → %d/\"%s\" (expected %d/\"%s\")", s, r, strnull(ans), r_expected, strnull(expected));
+ assert_se(r == r_expected);
+ assert_se(streq_ptr(ans, expected));
+}
+
+TEST(utf8_to_ascii) {
+ test_utf8_to_ascii_one("asdf", 0, "asdf");
+ test_utf8_to_ascii_one("dąb", 0, "d*b");
+ test_utf8_to_ascii_one("żęśłą óźń", 0, "***** ***");
+ test_utf8_to_ascii_one("\342\204\242", 0, "*");
+ test_utf8_to_ascii_one("\342\204", -EINVAL, NULL); /* truncated */
+ test_utf8_to_ascii_one("\342", -EINVAL, NULL); /* truncated */
+ test_utf8_to_ascii_one("\302\256", 0, "*");
+ test_utf8_to_ascii_one("", 0, "");
+ test_utf8_to_ascii_one(" ", 0, " ");
+ test_utf8_to_ascii_one("\t", 0, "\t");
+ test_utf8_to_ascii_one("串", 0, "*");
+ test_utf8_to_ascii_one("…👊🔪💐…", 0, "*****");
+}
+
+TEST(utf8_encoded_valid_unichar) {
+ assert_se(utf8_encoded_valid_unichar("\342\204\242", 1) == -EINVAL); /* truncated */
+ assert_se(utf8_encoded_valid_unichar("\342\204\242", 2) == -EINVAL); /* truncated */
+ assert_se(utf8_encoded_valid_unichar("\342\204\242", 3) == 3);
+ assert_se(utf8_encoded_valid_unichar("\342\204\242", 4) == 3);
+ assert_se(utf8_encoded_valid_unichar("\302\256", 1) == -EINVAL); /* truncated */
+ assert_se(utf8_encoded_valid_unichar("\302\256", 2) == 2);
+ assert_se(utf8_encoded_valid_unichar("\302\256", 3) == 2);
+ assert_se(utf8_encoded_valid_unichar("\302\256", SIZE_MAX) == 2);
+ assert_se(utf8_encoded_valid_unichar("a", 1) == 1);
+ assert_se(utf8_encoded_valid_unichar("a", 2) == 1);
+ assert_se(utf8_encoded_valid_unichar("\341\204", 1) == -EINVAL); /* truncated, potentially valid */
+ assert_se(utf8_encoded_valid_unichar("\341\204", 2) == -EINVAL); /* truncated, potentially valid */
+ assert_se(utf8_encoded_valid_unichar("\341\204", 3) == -EINVAL);
+ assert_se(utf8_encoded_valid_unichar("\341\204\341\204", 4) == -EINVAL);
+ assert_se(utf8_encoded_valid_unichar("\341\204\341\204", 5) == -EINVAL);
}
-static void test_utf8_escaping(void) {
+TEST(utf8_escape_invalid) {
_cleanup_free_ char *p1, *p2, *p3;
p1 = utf8_escape_invalid("goo goo goo");
- puts(p1);
+ log_debug("\"%s\"", p1);
assert_se(utf8_is_valid(p1));
p2 = utf8_escape_invalid("\341\204\341\204");
- puts(p2);
+ log_debug("\"%s\"", p2);
assert_se(utf8_is_valid(p2));
p3 = utf8_escape_invalid("\341\204");
- puts(p3);
+ log_debug("\"%s\"", p3);
assert_se(utf8_is_valid(p3));
}
-static void test_utf8_escaping_printable(void) {
+TEST(utf8_escape_non_printable) {
_cleanup_free_ char *p1, *p2, *p3, *p4, *p5, *p6;
p1 = utf8_escape_non_printable("goo goo goo");
- puts(p1);
+ log_debug("\"%s\"", p1);
assert_se(utf8_is_valid(p1));
p2 = utf8_escape_non_printable("\341\204\341\204");
- puts(p2);
+ log_debug("\"%s\"", p2);
assert_se(utf8_is_valid(p2));
p3 = utf8_escape_non_printable("\341\204");
- puts(p3);
+ log_debug("\"%s\"", p3);
assert_se(utf8_is_valid(p3));
p4 = utf8_escape_non_printable("ąę\n가너도루\n1234\n\341\204\341\204\n\001 \019\20\a");
- puts(p4);
+ log_debug("\"%s\"", p4);
assert_se(utf8_is_valid(p4));
p5 = utf8_escape_non_printable("\001 \019\20\a");
- puts(p5);
+ log_debug("\"%s\"", p5);
assert_se(utf8_is_valid(p5));
p6 = utf8_escape_non_printable("\xef\xbf\x30\x13");
- puts(p6);
+ log_debug("\"%s\"", p6);
assert_se(utf8_is_valid(p6));
}
-static void test_utf16_to_utf8(void) {
- char *a = NULL;
- const uint16_t utf16[] = { htole16('a'), htole16(0xd800), htole16('b'), htole16(0xdc00), htole16('c'), htole16(0xd801), htole16(0xdc37) };
- const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7, 0 };
+TEST(utf8_escape_non_printable_full) {
+ const char *s;
+ FOREACH_STRING(s,
+ "goo goo goo", /* ASCII */
+ "\001 \019\20\a", /* control characters */
+ "\xef\xbf\x30\x13") /* misplaced continuation bytes followed by a digit and cc */
+ for (size_t cw = 0; cw < 22; cw++) {
+ _cleanup_free_ char *p, *q;
+ size_t ew;
+
+ p = utf8_escape_non_printable_full(s, cw, false);
+ ew = utf8_console_width(p);
+ log_debug("%02zu \"%s\" (%zu wasted)", cw, p, cw - ew);
+ assert_se(utf8_is_valid(p));
+ assert_se(ew <= cw);
+
+ q = utf8_escape_non_printable_full(s, cw, true);
+ ew = utf8_console_width(q);
+ log_debug(" \"%s\" (%zu wasted)", q, cw - ew);
+ assert_se(utf8_is_valid(q));
+ assert_se(ew <= cw);
+ if (cw > 0)
+ assert_se(endswith(q, "…"));
+ }
+}
+
+TEST(utf16_to_utf8) {
+ const char16_t utf16[] = { htole16('a'), htole16(0xd800), htole16('b'), htole16(0xdc00), htole16('c'), htole16(0xd801), htole16(0xdc37) };
+ static const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7 };
+ _cleanup_free_ char16_t *b = NULL;
+ _cleanup_free_ char *a = NULL;
- a = utf16_to_utf8(utf16, 14);
+ /* Convert UTF-16 to UTF-8, filtering embedded bad chars */
+ a = utf16_to_utf8(utf16, sizeof(utf16));
assert_se(a);
- assert_se(streq(a, utf8));
+ assert_se(memcmp(a, utf8, sizeof(utf8)) == 0);
+
+ /* Convert UTF-8 to UTF-16, and back */
+ b = utf8_to_utf16(utf8, sizeof(utf8));
+ assert_se(b);
free(a);
+ a = utf16_to_utf8(b, char16_strlen(b) * 2);
+ assert_se(a);
+ assert_se(strlen(a) == sizeof(utf8));
+ assert_se(memcmp(a, utf8, sizeof(utf8)) == 0);
}
-static void test_utf8_n_codepoints(void) {
+TEST(utf8_n_codepoints) {
assert_se(utf8_n_codepoints("abc") == 3);
assert_se(utf8_n_codepoints("zażółcić gęślą jaźń") == 19);
assert_se(utf8_n_codepoints("串") == 1);
assert_se(utf8_n_codepoints("") == 0);
assert_se(utf8_n_codepoints("…👊🔪💐…") == 5);
- assert_se(utf8_n_codepoints("\xF1") == (size_t) -1);
+ assert_se(utf8_n_codepoints("\xF1") == SIZE_MAX);
}
-static void test_utf8_console_width(void) {
+TEST(utf8_console_width) {
assert_se(utf8_console_width("abc") == 3);
assert_se(utf8_console_width("zażółcić gęślą jaźń") == 19);
assert_se(utf8_console_width("串") == 2);
assert_se(utf8_console_width("") == 0);
assert_se(utf8_console_width("…👊🔪💐…") == 8);
- assert_se(utf8_console_width("\xF1") == (size_t) -1);
+ assert_se(utf8_console_width("\xF1") == SIZE_MAX);
}
-int main(int argc, char *argv[]) {
- test_utf8_is_valid();
- test_utf8_is_printable();
- test_ascii_is_valid();
- test_utf8_encoded_valid_unichar();
- test_utf8_escaping();
- test_utf8_escaping_printable();
- test_utf16_to_utf8();
- test_utf8_n_codepoints();
- test_utf8_console_width();
-
- return 0;
+TEST(utf8_to_utf16) {
+ const char *p;
+
+ FOREACH_STRING(p,
+ "abc",
+ "zażółcić gęślą jaźń",
+ "串",
+ "",
+ "…👊🔪💐…") {
+
+ _cleanup_free_ char16_t *a = NULL;
+ _cleanup_free_ char *b = NULL;
+
+ a = utf8_to_utf16(p, strlen(p));
+ assert_se(a);
+
+ b = utf16_to_utf8(a, char16_strlen(a) * 2);
+ assert_se(b);
+ assert_se(streq(p, b));
+ }
}
+
+DEFINE_CUSTOM_TEST_MAIN(LOG_INFO, log_show_color(true), /* no outro */);
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