1 files changed, 31 insertions, 0 deletions
diff --git a/tools/slang-test/unit-test-string.cpp b/tools/slang-test/unit-test-string.cpp
index 5811a4a64..d585132c8 100644
--- a/tools/slang-test/unit-test-string.cpp
+++ b/tools/slang-test/unit-test-string.cpp
@@ -72,6 +72,37 @@ static void stringUnitTest()
         SLANG_CHECK(_checkLineParser(UnownedStringSlice::fromLiteral("\n")));
         SLANG_CHECK(_checkLineParser(UnownedStringSlice::fromLiteral("")));
     }
+    {
+        Int value;
+        SLANG_CHECK(SLANG_SUCCEEDED(StringUtil::parseInt(UnownedStringSlice("-10"), value)) && value == -10);
+        SLANG_CHECK(SLANG_SUCCEEDED(StringUtil::parseInt(UnownedStringSlice("0"), value)) && value == 0);
+        SLANG_CHECK(SLANG_SUCCEEDED(StringUtil::parseInt(UnownedStringSlice("-0"), value)) && value == 0);
+
+        SLANG_CHECK(SLANG_SUCCEEDED(StringUtil::parseInt(UnownedStringSlice("13824"), value)) && value == 13824);
+        SLANG_CHECK(SLANG_SUCCEEDED(StringUtil::parseInt(UnownedStringSlice("-13824"), value)) && value == -13824);
+    }
+
+    {
+        UnownedStringSlice values[] = { UnownedStringSlice("hello"), UnownedStringSlice("world"), UnownedStringSlice("!") };
+
+        StringBuilder builder;
+        builder.Clear();
+        StringUtil::join(values, 0, ',', builder);
+        SLANG_CHECK(builder == "");
+
+        builder.Clear();
+        StringUtil::join(values, 1, ',', builder);
+        SLANG_CHECK(builder == "hello");
+
+
+        builder.Clear();
+        StringUtil::join(values, 2, ',', builder);
+        SLANG_CHECK(builder == "hello,world");
+
+        builder.Clear();
+        StringUtil::join(values, 3, UnownedStringSlice("ab"), builder);
+        SLANG_CHECK(builder == "helloabworldab!");
+    }
 }
 
 SLANG_UNIT_TEST("String", stringUnitTest);