gout

commit 80ac051dd10bb13b189f700f0361bcfe80a80eb4
parent 2b0888c8135bcfa41bc6e661a5b69a9c2a9deb72
Author: Chris Bracken <chris@bracken.jp>
Date:   Fri, 25 Jul 2025 07:11:15 -0700

Add tests for print_gopher_link_padded

Diffstat:
M
format_tests.c
 | 
122
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 122 insertions(+), 0 deletions(-)
diff --git a/format_tests.c b/format_tests.c
@@ -377,3 +377,125 @@ UTEST(print_gopher_link, EmptyString) {
 
   free(buf);
 }
+
+UTEST(print_gopher_link_padded, BasicPadding) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "hello", 10, ' ');
+  fclose(out);
+
+  EXPECT_STREQ("hello     ", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, NoPadding) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "hello", 5, ' ');
+  fclose(out);
+
+  EXPECT_STREQ("hello", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, Truncation) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "hello world", 10, ' ');
+  fclose(out);
+
+  EXPECT_STREQ("hello wor…", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, SpecialChars) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "a|\t\r\nb", 20, '.');
+  fclose(out);
+
+  EXPECT_STREQ("a\\|        b.........", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, MultiByte) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "こんにちは", 10, ' ');
+  fclose(out);
+
+  EXPECT_STREQ("こんにちは     ", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, ZeroWidth) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "hello", 0, ' ');
+  fclose(out);
+
+  EXPECT_STREQ("", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, NoPadChar) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  print_gopher_link_padded(out, "hello", 10, '\0');
+  fclose(out);
+
+  EXPECT_STREQ("hello", buf);
+
+  free(buf);
+}
+
+UTEST(print_gopher_link_padded, ComplexEmoji) {
+  char* buf = NULL;
+  size_t size = 0;
+  FILE* out = open_memstream(&buf, &size);
+  ASSERT_NE(NULL, out);
+
+  /* UTF-8 encoding of Unicode extended grapheme cluster for woman health worker
+     with medium-dark skin tone. This emoji is a Unicode emoji ZWJ sequence
+     composed of 5 code points. */
+  const char* emoji =     // 👩🏾‍⚕️
+      "\xF0\x9F\x91\xA9"  // U+1F469: Woman 👩
+      "\xF0\x9F\x8F\xBE"  // U+1F3FE: Emoji modifier Fitzpatrick type 5 🏾
+      "\xE2\x80\x8D"      // U+200D: Zero-width joiner
+      "\xE2\x9A\x95"      // U+2695: Staff of Aesculapius ⚕
+      "\xEF\xB8\x8F";     // U+FE0F: Variation selector 16 (colour emoji)
+  print_gopher_link_padded(out, emoji, 10, ' ');
+  fclose(out);
+
+  /* Expect 1 emoji, 9 spaces. */
+  EXPECT_STREQ("👩🏾‍⚕️         ", buf);
+
+  free(buf);
+}