From fcedfddf00b3f994e4f4e40332ac7fc192c63244 Mon Sep 17 00:00:00 2001
From: polwex <polwex@sortug.com>
Date: Sun, 5 Oct 2025 21:56:51 +0700
Subject: claude is gud

---
 vere/pkg/noun/equality_tests.c | 164 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 vere/pkg/noun/equality_tests.c

(limited to 'vere/pkg/noun/equality_tests.c')

diff --git a/vere/pkg/noun/equality_tests.c b/vere/pkg/noun/equality_tests.c
new file mode 100644
index 0000000..83a5026
--- /dev/null
+++ b/vere/pkg/noun/equality_tests.c
@@ -0,0 +1,164 @@
+/// @file
+
+#include "noun.h"
+
+/* _setup(): prepare for tests.
+*/
+static void
+_setup(void)
+{
+  u3m_boot_lite(1 << 24);
+}
+
+static c3_i
+_test_unify_home(void)
+{
+  c3_i ret_i = 1;
+
+  u3_noun  a = u3nt(0, 0, 0);
+  u3_noun  b = u3nt(0, 0, 0);
+  c3_w kep_w;
+
+  u3_assert( u3t(a) < u3t(b) );
+  kep_w = u3t(a);
+
+  (void)u3r_sing(a, b);
+
+  if ( u3t(a) != u3t(b) ) {
+    fprintf(stderr, "test: unify home: failed\r\n");
+    ret_i = 0;
+  }
+  else if ( kep_w != u3t(b) ) {
+    fprintf(stderr, "test: unify home: deeper failed\r\n");
+    ret_i = 0;
+  }
+
+  u3z(a); u3z(b);
+
+  return ret_i;
+}
+
+static c3_i
+_test_unify_inner(void)
+{
+  c3_i   ret_i = 1;
+  c3_w   kep_w;
+  u3_noun a, b;
+
+  a = u3nt(0, 0, 0);
+  kep_w = u3t(a);
+
+  u3m_hate(0);
+
+  b = u3nt(0, 0, 0);
+
+  (void)u3r_sing(a, b);
+
+  if ( u3t(a) != u3t(b) ) {
+    fprintf(stderr, "test: unify inner 1: failed\r\n");
+    ret_i = 0;
+  }
+  else if ( kep_w != u3t(b) ) {
+    fprintf(stderr, "test: unify inner 1: deeper failed\r\n");
+    ret_i = 0;
+  }
+
+  b = u3m_love(0);
+
+  u3z(a); u3z(b);
+
+  //  --------
+
+  b = u3nt(0, 0, 0);
+  kep_w = u3t(b);
+
+  u3m_hate(0);
+
+  a = u3nt(0, 0, 0);
+
+  u3m_hate(0);
+
+  (void)u3r_sing(a, b);
+
+  if ( u3t(a) != u3t(b) ) {
+    fprintf(stderr, "test: unify inner 2: failed\r\n");
+    ret_i = 0;
+  }
+  else if ( kep_w != u3t(a) ) {
+    fprintf(stderr, "test: unify inner 2: deeper failed\r\n");
+    ret_i = 0;
+  }
+
+  a = u3m_love(u3m_love(0));
+
+  u3z(a); u3z(b);
+
+  return ret_i;
+}
+
+static c3_i
+_test_unify_inner_home(void)
+{
+  c3_i ret_i = 1;
+
+  u3_noun  a = u3nt(0, 0, 0);
+  u3_noun  b = u3nt(0, 0, 0);
+
+  u3m_hate(0);
+
+  (void)u3r_sing(a, b);
+
+  if ( u3t(a) == u3t(b) ) {
+    fprintf(stderr, "test: unify inner-home: succeeded?\r\n");
+    ret_i = 0;
+  }
+
+  u3m_love(0);
+
+  u3z(a); u3z(b);
+
+  return ret_i;
+}
+
+static c3_i
+_test_equality(void)
+{
+  c3_i ret_i = 1;
+
+  if ( !_test_unify_home() ) {
+    fprintf(stderr, "test: equality: unify home: failed\r\n");
+    ret_i = 0;
+  }
+
+  if ( !_test_unify_inner() ) {
+    fprintf(stderr, "test: equality: unify inner: failed\r\n");
+    ret_i = 0;
+  }
+
+  if ( !_test_unify_inner_home() ) {
+    fprintf(stderr, "test: equality: unify inner-home: failed\r\n");
+    ret_i = 0;
+  }
+
+  return ret_i;
+}
+
+/* main(): run all test cases.
+*/
+int
+main(int argc, char* argv[])
+{
+  _setup();
+
+  if ( !_test_equality() ) {
+    fprintf(stderr, "test equality: failed\r\n");
+    exit(1);
+  }
+
+  //  GC
+  //
+  u3m_grab(u3_none);
+
+  fprintf(stderr, "test equality: ok\r\n");
+  return 0;
+}
-- 
cgit v1.2.3