Add tests for util.json

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/test_util_json.lua b/tests/test_util_json.lua
new file mode 100644
index 00000000..2c1a9ce9
--- /dev/null
+++ b/tests/test_util_json.lua
@@ -0,0 +1,21 @@
+
+function encode(encode, json)
+	local function test(f, j, e)
+		if e then
+			assert_equal(f(j), e);
+		end
+		assert_equal(f(j), f(json.decode(f(j))));
+	end
+	test(encode, json.null, "null")
+	test(encode, {}, "{}")
+	test(encode, {a=1});
+	test(encode, {a={1,2,3}});
+	test(encode, {1}, "[1]");
+end
+
+function decode(decode)
+	local empty_array = decode("[]");
+	assert_equal(type(empty_array), "table");
+	assert_equal(#empty_array, 0);
+	assert_equal(next(empty_array), nil);
+end