Add fixer for end-of-line characters.

editorconfig/full_file_fixers_test.go

@@ -0,0 +1,24 @@
+package editorconfig
+
+import (
+	"testing"
+)
+
+func TestFixEndOfLineRule(t *testing.T) {
+	input := "\nline\nline 2\rline 3  \n  \r\n\r"
+
+	toLfResult := FixEndOfLineRule("lF", input)
+	if toLfResult != "\nline\nline 2\nline 3  \n  \n\n" {
+		t.Error("Converting to LF did not work, got: " + GetErrorWithLineBreaksVisible(toLfResult))
+	}
+
+	toCrResult := FixEndOfLineRule("Cr", input)
+	if toCrResult != "\rline\rline 2\rline 3  \r  \r\r" {
+		t.Error("Converting to CR did not work, got: " + GetErrorWithLineBreaksVisible(toCrResult))
+	}
+
+	toCrlfResult := FixEndOfLineRule("CrlF", input)
+	if toCrlfResult != "\r\nline\r\nline 2\r\nline 3  \r\n  \r\n\r\n" {
+		t.Error("Converting to CRLR did not work, got: " + GetErrorWithLineBreaksVisible(toCrlfResult))
+	}
+}