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xo-expression2: + DUniqueString, use in StringTable

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This commit is contained in:
Roland Conybeare 2026-01-16 13:05:58 -05:00
commit 0ae4b1528f
6 changed files with 255 additions and 20 deletions
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23
utest/StringTable.test.cpp
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@ -9,7 +9,8 @@
namespace xo {
using xo::scm::StringTable;
using xo::scm::DString;
using xo::scm::DUniqueString;
//using xo::scm::DString;
namespace ut {
TEST_CASE("StringTable-lookup-empty", "[expression2][StringTable]")
@ -25,7 +26,7 @@ namespace xo {
{
StringTable table(1024);
const DString * s1 = table.intern("hello");
const DUniqueString * s1 = table.intern("hello");
REQUIRE(s1 != nullptr);
REQUIRE(std::strcmp(s1->chars(), "hello") == 0);
@ -36,8 +37,8 @@ namespace xo {
{
StringTable table(1024);
const DString * s1 = table.intern("hello");
const DString * s2 = table.intern("hello");
const DUniqueString * s1 = table.intern("hello");
const DUniqueString * s2 = table.intern("hello");
// same key returns same pointer
REQUIRE(s1 != nullptr);
@ -51,9 +52,9 @@ namespace xo {
REQUIRE(table.lookup("hello") == nullptr);
const DString * s1 = table.intern("hello");
const DUniqueString * s1 = table.intern("hello");
const DString * s2 = table.lookup("hello");
const DUniqueString * s2 = table.lookup("hello");
REQUIRE(s2 != nullptr);
REQUIRE(s1 == s2);
@ -63,9 +64,9 @@ namespace xo {
{
StringTable table(1024);
const DString * s1 = table.intern("apple");
const DString * s2 = table.intern("banana");
const DString * s3 = table.intern("cherry");
const DUniqueString * s1 = table.intern("apple");
const DUniqueString * s2 = table.intern("banana");
const DUniqueString * s3 = table.intern("cherry");
// all different pointers
REQUIRE(s1 != s2);
@ -88,14 +89,14 @@ namespace xo {
{
StringTable table(1024);
const DString * s1 = table.intern("");
const DUniqueString * s1 = table.intern("");
REQUIRE(s1 != nullptr);
REQUIRE(s1->size() == 0);
REQUIRE(s1->chars()[0] == '\0');
// idempotent for empty string too
const DString * s2 = table.intern("");
const DUniqueString * s2 = table.intern("");
REQUIRE(s1 == s2);
}