Added tests

1 files changed, 54 insertions, 2 deletions

diff --git a/tests/test-file.cpp b/tests/test-file.cpp
index 13d0ded..7c3b752 100644
--- a/tests/test-file.cpp
+++ b/tests/test-file.cpp
@@ -1,3 +1,55 @@
-getFile
+#include <gtest/gtest.h>
 
-getFile /proc
+#include "file.h"
+
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+
+namespace fs = std::filesystem;
+
+namespace {
+ const fs::path testFilename{"testfile.txt"};
+} // namespace
+
+class FileTest: public ::testing::Test
+{
+protected:
+ FileTest(){
+ }
+
+ ~FileTest() override{
+ }
+
+ void SetUp() override
+ {
+  std::error_code ec;
+  fs::remove(testFilename, ec);
+ }
+
+ void TearDown() override
+ {
+  std::error_code ec;
+  fs::remove(testFilename, ec);
+ }
+
+};
+
+TEST_F(FileTest, getFile)
+{
+ {
+  std::ofstream of(testFilename, std::ios::binary);
+  of << "abc";
+ }
+
+ std::string s{Reichwein::File::getFile(testFilename)};
+
+ EXPECT_EQ(s, "abc");
+}
+
+TEST_F(FileTest, getFile_proc)
+{
+ std::string s{Reichwein::File::getFile("/proc/cmdline")};
+
+ EXPECT_GT(s.size(), 0);
+}