Add class LifetimeSymbolTable.
This will be used to map lifetime names found in annotations to the
corresponding lifetimes.
PiperOrigin-RevId: 413108065
diff --git a/lifetime_annotations/lifetime_symbol_table_test.cc b/lifetime_annotations/lifetime_symbol_table_test.cc
new file mode 100644
index 0000000..a4d728f
--- /dev/null
+++ b/lifetime_annotations/lifetime_symbol_table_test.cc
@@ -0,0 +1,34 @@
+// Part of the Crubit project, under the Apache License v2.0 with LLVM
+// Exceptions. See /LICENSE for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+#include "lifetime_annotations/lifetime_symbol_table.h"
+
+#include "testing/base/public/gunit.h"
+
+namespace devtools_rust {
+namespace {
+
+TEST(LifetimeSymbolTableTest, Static) {
+ LifetimeSymbolTable table;
+ EXPECT_EQ(table.LookupName("static"), Lifetime::Static());
+ EXPECT_EQ(table.LookupNameAndMaybeDeclare("static"), Lifetime::Static());
+}
+
+TEST(LifetimeSymbolTableTest, LookupName) {
+ LifetimeSymbolTable table;
+
+ EXPECT_EQ(table.LookupName("a"), std::nullopt);
+ Lifetime a = table.LookupNameAndMaybeDeclare("a");
+ EXPECT_EQ(table.LookupName("a"), a);
+ EXPECT_EQ(table.LookupNameAndMaybeDeclare("a"), a);
+
+ EXPECT_EQ(table.LookupName("b"), std::nullopt);
+ Lifetime b = table.LookupNameAndMaybeDeclare("b");
+ EXPECT_NE(a, b);
+ EXPECT_EQ(table.LookupName("b"), b);
+ EXPECT_EQ(table.LookupNameAndMaybeDeclare("b"), b);
+}
+
+} // namespace
+} // namespace devtools_rust
