JSON: Add simple printing and creation (#6265)

2 files changed, 17 insertions, 0 deletions

diff --git a/test/gtest/CMakeLists.txt b/test/gtest/CMakeLists.txt
index b40130760..303e386c6 100644
--- a/test/gtest/CMakeLists.txt
+++ b/test/gtest/CMakeLists.txt
@@ -4,6 +4,7 @@ include_directories(../../src/wasm)
 set(unittest_SOURCES
   cfg.cpp
   dfa_minimization.cpp
+  json.cpp
   lattices.cpp
   possible-contents.cpp
   printing.cpp
diff --git a/test/gtest/json.cpp b/test/gtest/json.cpp
new file mode 100644
index 000000000..10417cdb9
--- /dev/null
+++ b/test/gtest/json.cpp
@@ -0,0 +1,16 @@
+#include "support/json.h"
+#include "gtest/gtest.h"
+
+using JSONTest = ::testing::Test;
+
+TEST_F(JSONTest, Stringify) {
+  // TODO: change the API to not require a copy
+  auto input = "[\"hello\",\"world\"]";
+  auto* copy = strdup(input);
+  json::Value value;
+  value.parse(copy);
+  std::stringstream ss;
+  value.stringify(ss);
+  EXPECT_EQ(ss.str(), input);
+  free(copy);
+}