intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 46 insertions, 0 deletions

diff --git a/util/string/util_ut.cpp b/util/string/util_ut.cpp
new file mode 100644
index 0000000000..18a2d8e195
--- /dev/null
+++ b/util/string/util_ut.cpp
@@ -0,0 +1,46 @@
+#include "util.h"
+
+#include <library/cpp/testing/unittest/registar.h>
+
+class TStrUtilTest: public TTestBase {
+    UNIT_TEST_SUITE(TStrUtilTest);
+    UNIT_TEST(TestSpn);
+    UNIT_TEST(TestRemoveAll);
+    UNIT_TEST_SUITE_END();
+
+public:
+    void TestSpn() {
+        str_spn rul("a-z", true);
+        char s[] = "!@#$ab%^&c+-";
+        UNIT_ASSERT_EQUAL(rul.brk(s), s + 4);
+        UNIT_ASSERT_EQUAL(rul.brk(s + 4), s + 4);
+        UNIT_ASSERT_EQUAL(rul.brk(s + 10), s + 12);
+        char* s1 = s;
+        UNIT_ASSERT_EQUAL(strcmp(rul.sep(s1), "!@#$"), 0);
+        UNIT_ASSERT_EQUAL(strcmp(rul.sep(s1), ""), 0);
+        UNIT_ASSERT_EQUAL(strcmp(rul.sep(s1), "%^&"), 0);
+        UNIT_ASSERT_EQUAL(strcmp(rul.sep(s1), "+-"), 0);
+        UNIT_ASSERT_EQUAL(rul.sep(s1), nullptr);
+    }
+
+    void TestRemoveAll() {
+        static const struct T {
+            const char* Str;
+            char Ch;
+            const char* Result;
+        } tests[] = {
+            {"", 'x', ""},
+            {"hello world", 'h', "ello world"},
+            {"hello world", 'l', "heo word"},
+            {"hello world", 'x', "hello world"},
+        };
+
+        for (const T* t = tests; t != std::end(tests); ++t) {
+            TString str(t->Str);
+            RemoveAll(str, t->Ch);
+            UNIT_ASSERT_EQUAL(t->Result, str);
+        }
+    }
+};
+
+UNIT_TEST_SUITE_REGISTRATION(TStrUtilTest);