tests: Added string view suite

sv_copy is the only function, but we may have others later.

test/main.c

@@ -12,12 +12,14 @@
 #include "./test.h"
 
 #include "./test_lisp_api.c"
+#include "./test_sv.c"
 #include "./test_symtable.c"
 #include "./test_vec.c"
 
 test_suite_t SUITES[] = {
     SYMTABLE_SUITE,
     LISP_API_SUITE,
+    SV_SUITE,
     VEC_SUITE,
 };
 

test/test_sv.c

@@ -0,0 +1,52 @@
+/* test_sv.c: String View tests
+ * Created: 2026-02-05
+ * Author: Aryadev Chavali
+ * License: See end of file
+ * Commentary:
+ */
+
+#include <assert.h>
+#include <malloc.h>
+
+#include "./data.h"
+#include "./test.h"
+
+void sv_copy_test(void)
+{
+  static_assert(ARRSIZE(unique_words) > 3, "Expected at least 3 unique words");
+  for (u64 i = 0; i < 3; ++i)
+  {
+    sv_t word = SV((char *)unique_words[i], strlen(unique_words[i]));
+    sv_t copy = sv_copy(word);
+    TEST(word.data != copy.data, "%p != %p", word.data, copy.data);
+    TEST(word.size == copy.size, "%lu == %lu", word.size, copy.size);
+    TEST(strncmp(word.data, copy.data, copy.size) == 0, "`%s` == `%s`",
+         word.data, copy.data);
+
+    // Obviously we can't just have this lying around.
+    free(copy.data);
+  }
+}
+
+const test_fn TESTS_SV[] = {
+    MAKE_TEST_FN(sv_copy_test),
+};
+
+const test_suite_t SV_SUITE = {
+    .name  = "String View Tests",
+    .tests = TESTS_SV,
+    .size  = ARRSIZE(TESTS_SV),
+};
+
+/* Copyright (C) 2026 Aryadev Chavali
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License Version 2 for
+ * details.
+
+ * You may distribute and modify this code under the terms of the GNU General
+ * Public License Version 2, which you should have received a copy of along with
+ * this program.  If not, please go to <https://www.gnu.org/licenses/>.
+
+ */