common -> base in test dir.

1 files changed, 118 insertions, 0 deletions

diff --git a/test/base/StringUtilTest.cpp b/test/base/StringUtilTest.cpp
new file mode 100644
index 00000000..1da6e963
--- /dev/null
+++ b/test/base/StringUtilTest.cpp
@@ -0,0 +1,118 @@
+#include "cru/base/String.h"
+#include "cru/base/StringUtil.h"
+
+#include <catch2/catch_test_macros.hpp>
+
+using cru::Index;
+using cru::k_invalid_code_point;
+
+TEST_CASE("StringUtil Utf8NextCodePoint", "[string]") {
+  using cru::Utf8NextCodePoint;
+  std::string_view text = "aπ你🤣!";
+  Index current = 0;
+  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x0061);
+  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x03C0);
+  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x4F60);
+  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x1F923);
+  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x0021);
+  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
+          k_invalid_code_point);
+  REQUIRE(current == static_cast<Index>(text.size()));
+}
+
+TEST_CASE("StringUtil Utf16NextCodePoint", "[string]") {
+  using cru::Utf16NextCodePoint;
+  std::u16string_view text = u"aπ你🤣!";
+  Index current = 0;
+  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x0061);
+  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x03C0);
+  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x4F60);
+  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x1F923);
+  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
+          0x0021);
+  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
+          k_invalid_code_point);
+  REQUIRE(current == static_cast<Index>(text.size()));
+}
+
+TEST_CASE("StringUtil Utf16PreviousCodePoint", "[string]") {
+  using cru::Utf16PreviousCodePoint;
+  std::u16string_view text = u"aπ你🤣!";
+  Index current = text.size();
+  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
+          0x0021);
+  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
+          0x1F923);
+  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
+          0x4F60);
+  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
+          0x03C0);
+  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
+          0x0061);
+  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
+          k_invalid_code_point);
+  REQUIRE(current == 0);
+}
+
+TEST_CASE("StringUtil Utf8CodePointIterator", "[string]") {
+  using cru::Utf8CodePointIterator;
+  std::string_view text = "aπ你🤣!";
+  std::vector<cru::CodePoint> code_points;
+
+  for (auto cp : Utf8CodePointIterator(text.data(), text.size())) {
+    code_points.push_back(cp);
+  }
+
+  std::vector<cru::CodePoint> expected_code_points{0x0061, 0x03C0, 0x4F60,
+                                                   0x1F923, 0x0021};
+
+  REQUIRE(code_points == expected_code_points);
+}
+
+TEST_CASE("StringUtil Utf16CodePointIterator", "[string]") {
+  using cru::Utf16CodePointIterator;
+  std::u16string_view text = u"aπ你🤣!";
+  std::vector<cru::CodePoint> code_points;
+
+  for (auto cp : Utf16CodePointIterator(text.data(), text.size())) {
+    code_points.push_back(cp);
+  }
+
+  std::vector<cru::CodePoint> expected_code_points{0x0061, 0x03C0, 0x4F60,
+                                                   0x1F923, 0x0021};
+
+  REQUIRE(code_points == expected_code_points);
+}
+
+// TEST(WinString, IndexUtf8ToUtf16) {
+//   using cru::platform::win::IndexUtf8ToUtf16;
+//   std::string_view utf8_string = "aπ你🤣!";
+//   std::wstring_view utf16_string = L"aπ你🤣!";
+//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 0, utf16_string), 0);
+//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 1, utf16_string), 1);
+//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 3, utf16_string), 2);
+//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 6, utf16_string), 3);
+//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 10, utf16_string), 5);
+//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 11, utf16_string), 6);
+// }
+
+// TEST(WinString, IndexUtf16ToUtf8) {
+//   using cru::platform::win::IndexUtf16ToUtf8;
+//   std::string_view utf8_string = "aπ你🤣!";
+//   std::wstring_view utf16_string = L"aπ你🤣!";
+//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 0, utf8_string), 0);
+//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 1, utf8_string), 1);
+//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 2, utf8_string), 3);
+//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 3, utf8_string), 6);
+//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 5, utf8_string), 10);
+//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 6, utf8_string), 11);
+// }