From 2aa26759e12da36d68641ea3abda9b53292a2cbd Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Mon, 18 Mar 2024 00:39:44 +0100
Subject: Bulk busy work towards Reader replacement to inject into DataLoader

---
 FoundationEx/test/reader.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 FoundationEx/test/reader.cpp

(limited to 'FoundationEx/test/reader.cpp')

diff --git a/FoundationEx/test/reader.cpp b/FoundationEx/test/reader.cpp
new file mode 100644
index 0000000..395ad81
--- /dev/null
+++ b/FoundationEx/test/reader.cpp
@@ -0,0 +1,65 @@
+#include <cstring>
+#include <memory>
+#include <utility>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#include <starshatter/foundation/reader.h>
+#include <Text.h>
+
+
+using starshatter::foundation::Direction;
+using starshatter::foundation::Reader;
+
+
+TEST(FoundationEx, ReadFromView)
+{
+	Reader reader("Hello, World!");
+	ASSERT_TRUE(reader.valid());
+	std::vector<char> buffer(reader.available());
+	ASSERT_EQ(14, buffer.size());
+	const auto bytes = reader.read(buffer.data());
+	ASSERT_EQ(14, bytes);
+	ASSERT_EQ(0, reader.available());
+	ASSERT_STREQ("Hello, World!", buffer.data());
+}
+
+
+TEST(FoundationEx, PeekIntoView)
+{
+	Reader reader("Hello, World!");
+	ASSERT_TRUE(reader.valid());
+	reader.seek(7);
+	std::vector<char> buffer(reader.available());
+	ASSERT_EQ(7, buffer.size());
+	const auto bytes = reader.peek(buffer.data());
+	ASSERT_EQ(7, bytes);
+	ASSERT_EQ(7, reader.available());
+	ASSERT_STREQ("World!", buffer.data());
+}
+
+
+TEST(FoundationEx, RelativeSeek)
+{
+	Reader reader("Hello, World!");
+	ASSERT_TRUE(reader.valid());
+	ASSERT_EQ(11, reader.seek(-3, Direction::End));
+	EXPECT_EQ(8, reader.seek(-3, Direction::Current));
+	ASSERT_EQ(5, reader.seek(5, Direction::Start));
+	EXPECT_EQ(7, reader.seek(2, Direction::Current));
+}
+
+
+TEST(FoundationEx, CreateTextFromReader)
+{
+	const char* ref = "Hello!";
+	const auto size = 7;
+	auto ptr = std::make_unique<char[]>(size);
+	for (auto i = 0; i < size; ++i)
+		ptr[i] = ref[i];
+	Reader reader(std::move(ptr));
+	ASSERT_TRUE(reader.valid());
+	Text text(reader.data());
+	ASSERT_EQ("Hello!", text);
+}
-- 
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