From a4d903dc17069b64563768bd680197cef6b23acd Mon Sep 17 00:00:00 2001
From: Matthew Zito <exbotanical@protonmail.com>
Date: Wed, 10 Apr 2024 01:32:55 -0700
Subject: [PATCH] feat: add new is comparison API

---
 .clang-format    | 12 +++++-------
 clib.json        |  2 +-
 include/libtap.h | 12 ++++++++++++
 t/main.c         | 45 +++++++++++++++++++++++++++++++++------------
 4 files changed, 51 insertions(+), 20 deletions(-)

diff --git a/.clang-format b/.clang-format
index 5931e4a..d8cfdf8 100644
--- a/.clang-format
+++ b/.clang-format
@@ -72,8 +72,6 @@ BreakAfterAttributes: Never
 BreakArrays: false
 BreakBeforeBinaryOperators: All
 BreakBeforeBraces: Custom
-BraceWrapping:
-  AfterFunction: true
 BreakBeforeConceptDeclarations: Always
 BreakBeforeInlineASMColon: OnlyMultiline
 BreakBeforeTernaryOperators: true
@@ -81,7 +79,7 @@ BreakConstructorInitializers: BeforeColon
 BreakInheritanceList: BeforeColon
 BreakStringLiterals: true
 ColumnLimit: 80
-CommentPragmas: "^ IWYU pragma:"
+CommentPragmas: '^ IWYU pragma:'
 CompactNamespaces: false
 ConstructorInitializerIndentWidth: 4
 ContinuationIndentWidth: 2
@@ -117,7 +115,7 @@ IncludeCategories:
     SortPriority: 0
     CaseSensitive: false
 IncludeIsMainRegex: ([-_](test|unittest))?$
-IncludeIsMainSourceRegex: ""
+IncludeIsMainSourceRegex: ''
 IndentAccessModifiers: false
 IndentCaseBlocks: false
 IndentCaseLabels: true
@@ -141,8 +139,8 @@ KeepEmptyLinesAtTheStartOfBlocks: false
 LambdaBodyIndentation: Signature
 Language: Cpp
 LineEnding: DeriveLF
-MacroBlockBegin: ""
-MacroBlockEnd: ""
+MacroBlockBegin: ''
+MacroBlockEnd: ''
 MaxEmptyLinesToKeep: 1
 NamespaceIndentation: None
 PPIndentWidth: -1
@@ -169,7 +167,7 @@ RawStringFormats:
       - CPP
       - c++
       - C++
-    CanonicalDelimiter: ""
+    CanonicalDelimiter: ''
     BasedOnStyle: google
   - Language: TextProto
     Delimiters:
diff --git a/clib.json b/clib.json
index 66b7e68..70583dc 100644
--- a/clib.json
+++ b/clib.json
@@ -1,6 +1,6 @@
 {
   "name": "libtap",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "author": "Matthew Zito",
   "repo": "exbotanical/libtap",
   "license": "MIT",
diff --git a/include/libtap.h b/include/libtap.h
index f56b1dd..370f9c7 100644
--- a/include/libtap.h
+++ b/include/libtap.h
@@ -40,6 +40,18 @@ unsigned int bail_out(const char* fmt, ...);
 #define ok(test, ...) \
   __ok(test ? 1 : 0, __func__, __FILE__, __LINE__, s_fmt(__VA_ARGS__))
 
+#define is(actual, expected, ...)              \
+  __ok(                                        \
+    !(actual == expected ? 0                   \
+      : !actual          ? -1                  \
+      : !expected        ? 1                   \
+                         : strcmp(actual, expected)), \
+    __func__,                                  \
+    __FILE__,                                  \
+    __LINE__,                                  \
+    s_fmt(__VA_ARGS__)                         \
+  );
+
 #define skip_start(cond, num_skips, ...)     \
   do {                                       \
     if (cond) {                              \
diff --git a/t/main.c b/t/main.c
index 96505a7..5938354 100644
--- a/t/main.c
+++ b/t/main.c
@@ -16,21 +16,18 @@ typedef struct {
 } test_util;
 
 static void
-will_fail ()
-{
+will_fail () {
   test_util *util;
   util->a + util->b;
 }
 
 static void
-will_succeed ()
-{
+will_succeed () {
   10 + 10;
 }
 
 int
-main ()
-{
+main () {
   pa_setup();
 
   unsigned int is_skip = 1;
@@ -41,7 +38,7 @@ main ()
   assert(ok(1 == 11, "result of %d == %d", 1, 11) == 0);
   assert(
     pa_match_stdout("not ok 1 - result of 1 == 11\n"
-                    "# \tFailed test (t/main.c:main at line 41)\n")
+                    "# \tFailed test (t/main.c:main at line 38)\n")
     == 1
   );
 
@@ -71,7 +68,7 @@ main ()
   assert(ok(1 == 19, "the second todo test") == 0);
   assert(
     pa_match_stdout("not ok 8 - the second todo test # TODO is todo man\n"
-                    "# \tFailed (TODO)test (t/main.c:main at line 71)\n")
+                    "# \tFailed (TODO)test (t/main.c:main at line 68)\n")
     == 1
   );
 
@@ -97,19 +94,43 @@ main ()
 
   assert(
     pa_match_stdout("not ok 10 - dies\n"
-                    "# \tFailed test (t/main.c:main at line 90)\n")
+                    "# \tFailed test (t/main.c:main at line 87)\n")
     == 1
   );
 
-  assert(exit_status() == 3);
+  char *x  = s_fmt("x");
+  char *y  = s_fmt("y");
+  char *a  = s_fmt("a");
+  char *a2 = s_fmt("a");
+  char *b  = s_fmt("b");
+  char *n  = NULL;
 
+  is(a, b, "not equal");
+  assert(
+    pa_match_stdout("not ok 11 - not equal\n"
+                    "# \tFailed test (t/main.c:main at line 108)\n")
+    == 1
+  );
+
+  is(a, a2, "equal");
+  assert(pa_match_stdout("ok 12 - equal\n") == 1);
+
+  is(n, NULL, "both null");
+  assert(pa_match_stdout("ok 13 - both null\n") == 1);
+
+  assert(exit_status() == 6);
   cleanup();
 
   assert(
-    pa_match_stdout("# Planned 7 tests but ran 10\n"
-                    "# Failed 3 tests of 10\n")
+    pa_match_stdout("# Planned 7 tests but ran 13\n"
+                    "# Failed 4 tests of 13\n")
     == 1
   );
 
   pa_teardown();
+  free(x);
+  free(y);
+  free(a);
+  free(a2);
+  free(b);
 }