重构

tests/container/test_sring.cpp

@@ -0,0 +1,47 @@
+#include "latch/container/lt-string.h"
+#include "gtest/gtest.h"
+
+TEST(TestString, StringNew) {
+    lt_string_t *str = lt_string_new("Hello World");
+    EXPECT_STREQ(str->data, "Hello World");
+    lt_string_close(str);
+}
+
+TEST(TestString, StringReverse) {
+    lt_string_t *str = lt_string_new("Hello World");
+    EXPECT_STREQ(str->data, "Hello World");
+
+    lt_string_t *str_r = lt_string_reverse(str);
+    EXPECT_STREQ(str_r->data, "dlroW olleH");
+
+    lt_string_close(str);
+    lt_string_close(str_r);
+}
+
+TEST(TestString, StringCut) {
+    lt_string_t *str = lt_string_new("Hello World");
+    EXPECT_STREQ(str->data, "Hello World");
+    EXPECT_EQ(str->length, 11);
+
+    lt_string_t *str_c = lt_string_cut(str, 0, 5, 1);
+    EXPECT_STREQ(str_c->data, "Hello");
+    EXPECT_EQ(str_c->length, 5);
+
+    lt_string_t *str_c1 = lt_string_cut(str, 0, 5, -1);
+    EXPECT_STREQ(str_c1->data, "dlroW");
+    EXPECT_EQ(str_c1->length, 5);
+
+    lt_string_t *str_c2 = lt_string_cut(str, 0, 5, 2);
+    EXPECT_STREQ(str_c2->data, "Hlo");
+    EXPECT_EQ(str_c2->length, 3);
+
+    lt_string_t *str_c3 = lt_string_cut(str, 0, 5, -2);
+    EXPECT_STREQ(str_c3->data, "drW");
+    EXPECT_EQ(str_c3->length, 3);
+
+    lt_string_close(str);
+    lt_string_close(str_c);
+    lt_string_close(str_c1);
+    lt_string_close(str_c2);
+    lt_string_close(str_c3);
+}