Add tests for source-header on hlc

tests/misc/hl/projects/Issue10376/CheckSourceHeader.hx

@@ -0,0 +1,56 @@
+import sys.FileSystem;
+
+final FILE = "out/main.c";
+
+function deleteDirectory(path:String) {
+	if (!FileSystem.isDirectory(path))
+		return FileSystem.deleteFile(path);
+
+	for (item in FileSystem.readDirectory(path))
+		deleteDirectory('$path/$item');
+
+	FileSystem.deleteDirectory(path);
+}
+
+function main() {
+	final args = Sys.args();
+
+	final code =
+		try {
+			switch args {
+				case [""]:
+					checkForEmptySourceHeader(FILE);
+				case [expected]:
+					checkSourceHeader(FILE, expected);
+				case _:
+					throw "Incorrect number of arguments to script.";
+			}
+			0;
+		} catch (e){
+			Sys.stderr().writeString(e + "\n");
+			1;
+		}
+
+	deleteDirectory("out");
+	Sys.exit(code);
+}
+
+function checkForEmptySourceHeader(path:String) {
+	final content = getCSourceContent(path);
+
+	if (StringTools.startsWith(content, "// "))
+		throw "File has a source header when none was expected: " + content.split("\n")[0];
+}
+
+function checkSourceHeader(path:String, expected:String) {
+	final content = getCSourceContent(path);
+
+	if (!StringTools.startsWith(content, "// " + expected))
+		throw "File source header does not start with expected: // " + expected +
+			"\nSource header: " + content.split("\n")[0];
+}
+
+function getCSourceContent(path:String) {
+	// have to skip the BOM character
+	return sys.io.File.getContent(path).substr(1);
+}

tests/misc/hl/projects/Issue10376/custom-header.hxml

@@ -0,0 +1,5 @@
+--main CheckSourceHeader
+--hl out/main.c
+-D no-compilation
+-D source-header=custom
+--cmd haxe --run CheckSourceHeader custom

tests/misc/hl/projects/Issue10376/default-header.hxml

@@ -0,0 +1,5 @@
+--main CheckSourceHeader
+--hl out/main.c
+-D no-compilation
+
+--cmd haxe --run CheckSourceHeader "Generated by HLC"

tests/misc/hl/projects/Issue10376/no-header-dash.hxml

@@ -0,0 +1,5 @@
+--main CheckSourceHeader
+--hl out/main.c
+-D no-compilation
+-D source-header=
+--cmd haxe --run CheckSourceHeader ""