Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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base/base_tests/uni_string_dfa_test.cpp

@@ -0,0 +1,90 @@
+#include "testing/testing.hpp"
+
+#include "base/dfa_helpers.hpp"
+#include "base/string_utils.hpp"
+#include "base/uni_string_dfa.hpp"
+
+using namespace strings;
+
+namespace
+{
+UNIT_TEST(UniStringDFA_Smoke)
+{
+  {
+    UniStringDFA dfa("");
+
+    auto it = dfa.Begin();
+    TEST(it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "a");
+    TEST(!it.Accepts(), ());
+    TEST(it.Rejects(), ());
+  }
+
+  {
+    UniStringDFA dfa("абв");
+
+    auto it = dfa.Begin();
+    TEST(!it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "а");
+    TEST(!it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "б");
+    TEST(!it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "в");
+    TEST(it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "г");
+    TEST(!it.Accepts(), ());
+    TEST(it.Rejects(), ());
+  }
+
+  {
+    UniStringDFA dfa("абв");
+
+    auto it = dfa.Begin();
+    TEST(!it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "а");
+    TEST(!it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "г");
+    TEST(!it.Accepts(), ());
+    TEST(it.Rejects(), ());
+  }
+}
+
+UNIT_TEST(UniStringDFA_Prefix)
+{
+  {
+    PrefixDFAModifier<UniStringDFA> dfa(UniStringDFA("abc"));
+
+    auto it = dfa.Begin();
+    DFAMove(it, "ab");
+
+    TEST(!it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "c");
+    TEST(it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "d");
+    TEST(it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+
+    DFAMove(it, "efghijk");
+    TEST(it.Accepts(), ());
+    TEST(!it.Rejects(), ());
+  }
+}
+}  // namespace