feat(cpp-object-oriented-modular-refactoring): step 11 - source-target-resolver

2026-08-16 08:34:09 +09:00
parent 5430fffd62
commit a6324a9004
12 changed files with 714 additions and 273 deletions
@@ -0,0 +1,57 @@
+#include "fesa/core/ascii.h"
+
+#include <gtest/gtest.h>
+
+#include <cstdint>
+#include <limits>
+#include <string>
+#include <vector>
+
+TEST(Ascii, LowercasesOnlyAsciiUppercaseBytes) {
+  EXPECT_EQ(fesa::AsciiLower('A'), 'a');
+  EXPECT_EQ(fesa::AsciiLower('Z'), 'z');
+  EXPECT_EQ(fesa::AsciiLower('a'), 'a');
+  EXPECT_EQ(fesa::AsciiLower('0'), '0');
+
+  const char non_ascii = static_cast<char>(0xc0U);
+  EXPECT_EQ(fesa::AsciiLower(non_ascii), non_ascii);
+}
+
+TEST(Ascii, ComparesNamesWithoutLocaleOrUnicodeFolding) {
+  EXPECT_TRUE(fesa::AsciiCaseInsensitiveEquals("Beam-1", "bEaM-1"));
+  EXPECT_FALSE(fesa::AsciiCaseInsensitiveEquals("Beam-1", "Beam-10"));
+
+  const std::string uppercase_byte{static_cast<char>(0xc0U)};
+  const std::string lowercase_byte{static_cast<char>(0xe0U)};
+  EXPECT_FALSE(
+      fesa::AsciiCaseInsensitiveEquals(uppercase_byte, lowercase_byte));
+}
+
+TEST(Ascii, ParsesOnlyCompletePositiveBaseTenSourceLabels) {
+  auto one = fesa::ParsePositiveSourceLabel("1");
+  auto leading_zeroes = fesa::ParsePositiveSourceLabel("00042");
+  auto maximum = fesa::ParsePositiveSourceLabel(
+      std::to_string((std::numeric_limits<std::int64_t>::max)()));
+
+  ASSERT_TRUE(one.HasValue());
+  EXPECT_EQ(one.Value(), 1);
+  ASSERT_TRUE(leading_zeroes.HasValue());
+  EXPECT_EQ(leading_zeroes.Value(), 42);
+  ASSERT_TRUE(maximum.HasValue());
+  EXPECT_EQ(maximum.Value(), (std::numeric_limits<std::int64_t>::max)());
+
+  const std::string overflow =
+      std::to_string((std::numeric_limits<std::int64_t>::max)()) + "0";
+  const std::vector<std::string> invalid_values{"",   "0",  "-1", "+",     "+1",
+                                                " 1", "1 ", "1x", overflow};
+  for (const std::string& invalid : invalid_values) {
+    SCOPED_TRACE(invalid);
+    auto result = fesa::ParsePositiveSourceLabel(invalid);
+    ASSERT_FALSE(result.HasValue());
+    EXPECT_EQ(result.GetStatus().Category(), fesa::FailureCategory::kInput);
+    ASSERT_EQ(result.GetStatus().Diagnostics().size(), 1U);
+    EXPECT_EQ(result.GetStatus().Diagnostics()[0U].code,
+              "invalid-source-label");
+    EXPECT_EQ(result.GetStatus().Diagnostics()[0U].entity_identity, invalid);
+  }
+}