From 5688c721c610e2a8931d6ec6f84dee2d4d65c763 Mon Sep 17 00:00:00 2001
From: Claudius Holeksa <mail@keldu.de>
Date: Tue, 27 Jun 2023 12:41:56 +0200
Subject: c++,codec,core: Added Union to KelSimple and fixed the native data
 type. Made some errors more clear as well

---
 tests/codec.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'tests/codec.cpp')

diff --git a/tests/codec.cpp b/tests/codec.cpp
index 442ae57..7253ecc 100644
--- a/tests/codec.cpp
+++ b/tests/codec.cpp
@@ -18,6 +18,11 @@ using TestStruct = Struct<
 	Member<UInt64, "number">
 >;
 
+using TestUnion = Union<
+	Member<TwoDimArray, "two_dim_array">,
+	Member<UInt64, "number">
+>;
+
 using TestTuple = Tuple<
 	TwoDimArray,
 	UInt64
@@ -196,6 +201,31 @@ SAW_TEST("KelSimple Struct write and read back"){
 	SAW_EXPECT(dec_tda.at(0,1).get() == 3, "Incorrect Decoding in array 0,1");
 	SAW_EXPECT(native.template get<"number">().get() == 410, "Incorrect Decoding in number");
 }
+
+SAW_TEST("KelSimple Union write and read back"){
+	using namespace saw;
+
+	data<schema::TestUnion,encode::Native> native;
+	data<schema::TestUnion,encode::KelSimple> simple;
+
+	native.template set<"number">(data<schema::UInt64, encode::Native>{});
+	native.template get<"number">().set(410);
+	
+	codec<schema::TestUnion, encode::KelSimple> codec;
+
+	auto eov = codec.encode(native, simple);
+	SAW_EXPECT(eov.is_value(), "Encoding error");
+
+	// Reset values
+	native = {};
+
+	eov = codec.decode(simple, native);
+	SAW_EXPECT(eov.is_value(), "Decoding error");
+
+	SAW_EXPECT(native.template holds_alternative<"number">(), "Incorrect Decoding in array 0,1");
+	SAW_EXPECT(native.template get<"number">().get() == 410, "Incorrect Decoding in number");
+}
+
 SAW_TEST("KelSimple Tuple write and read back"){
 	using namespace saw;
 
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