1 files changed, 41 insertions, 0 deletions
diff --git a/src/std/test_string.c b/src/std/test_string.c
new file mode 100644
index 0000000..d6bc716
--- /dev/null
+++ b/src/std/test_string.c
@@ -0,0 +1,41 @@
+#include "str.h"
+#include "testing.h"
+#include "types.h"
+#include <stdio.h>
+
+i32 test_string_literal_equality() {
+    t_assert_strequal(S("Bonjour"), S("Bonjour"));
+    return 0;
+}
+
+i32 test_string_copy() {
+    Arena perm = Arena_new(128e3);
+    Str src = S("Hello");
+
+    Str cpy = Str_copy(&perm, src.data, src.len);
+
+    t_assert_strequal(src, cpy);
+    t_assert_equal(Arena_get_used(perm), 5);
+
+    return 0;
+}
+
+i32 test_fast_string() {
+    bytex32 quote_mask = _mm256_set1_epi8('"');
+    byte *s = malloc(32 * sizeof(byte));
+    s = "abcdefghijklmnopqrstuvwxyzabcdef";
+
+    bytex32 chunk = _mm256_loadu_si256((bytex32 *)s);
+    bytex32 cmp = _mm256_cmpeq_epi8(chunk, quote_mask);
+    i32 mask = _mm256_movemask_epi8(cmp);
+    t_assert_equal(_mm_popcnt_u32(mask), 0);
+
+    s = "abcdefghijklm\"nopqrstuvwxyzabcde";
+
+    chunk = _mm256_loadu_si256((bytex32 *)s);
+    cmp = _mm256_cmpeq_epi8(chunk, quote_mask);
+    mask = _mm256_movemask_epi8(cmp);
+    t_assert_equal(_mm_popcnt_u32(mask), 1);
+
+    return 0;
+}