1 files changed, 47 insertions, 0 deletions
diff --git a/test/errors.cc b/test/errors.cc
new file mode 100644
index 0000000..7d77000
--- /dev/null
+++ b/test/errors.cc
@@ -0,0 +1,47 @@
+#include "errors.hh"
+
+#include "location.hh"
+
+#include <gtest/gtest.h>
+#include <memory>
+#include <sstream>
+
+namespace {
+
+void generate(src::Errors& errors) {
+  errors.err(src::Location(1, 10), "Fatal error");
+  errors.warn(src::Location(2, 0), "This is a warning");
+  errors.dbg(src::Location(10, 1000), "Debugging");
+  errors.err(src::Location(2, 100), "Another errors error");
+}
+
+}  // namespace
+
+TEST(errors, ignore) {
+  auto errors = src::ignore_errors();
+  generate(*errors);
+  EXPECT_EQ(0, errors->errors());
+  EXPECT_EQ(0, errors->warnings());
+}
+
+TEST(errors, stream) {
+  std::stringstream ss;
+  std::shared_ptr<src::ErrorsOutput> output = src::errors_output_ios(ss);
+  auto errors = src::file_errors("filename", output);
+  generate(*errors);
+  EXPECT_EQ(2, errors->errors());
+  EXPECT_EQ(1, errors->warnings());
+
+  EXPECT_EQ(R"(filename:1:10: Error: Fatal error
+filename:2:0: Warning: This is a warning
+filename:10:1000: Debug: Debugging
+filename:2:100: Error: Another errors error
+)",
+            ss.str());
+}
+
+TEST(location, out) {
+  std::stringstream ss;
+  ss << src::Location(1, 10);
+  EXPECT_EQ("1:10", ss.str());
+}