test(compiler): add ocr print-string test

Author: AlexB02

src/test/scala/ptp_compiler/CompilerSpec.scala

@@ -0,0 +1,16 @@
+package ptp_compiler
+
+import org.scalatest.flatspec.AnyFlatSpec
+import scala.io.Source
+import tools.compiler.Compiler
+import testingtools.FileHandler.compareFile
+import org.scalatest.matchers.should._
+
+class OCRCompilerIntegrationSpec extends AnyFlatSpec with Matchers {
+  
+  "print-string.ocr" should "compile to print-string.ptb" in {
+    val sourceFilename = "examples/ocr/pseudocode/print-string.ocr"
+    val compiler = new Compiler(Source.fromFile(sourceFilename).getLines().mkString)
+    assert(compareFile(compiler.compile, "examples/ocr/bytecode/print-string.ptb"))
+  }
+}