91 lines
2.4 KiB
Java
91 lines
2.4 KiB
Java
package triangle.syntacticAnalyser;
|
|
|
|
import static org.junit.Assert.assertEquals;
|
|
import static org.junit.Assert.assertNotEquals;
|
|
import static org.junit.Assert.assertThrows;
|
|
|
|
import org.junit.Test;
|
|
import org.junit.function.ThrowingRunnable;
|
|
|
|
import triangle.ErrorReporter;
|
|
import triangle.syntacticAnalyzer.Parser;
|
|
import triangle.syntacticAnalyzer.Scanner;
|
|
import triangle.syntacticAnalyzer.SourceFile;
|
|
|
|
public class TestScanner {
|
|
|
|
@Test
|
|
public void testHi() {
|
|
compileExpectSuccess("/hi.tri");
|
|
}
|
|
|
|
|
|
@Test
|
|
public void testHiNewComment() {
|
|
compileExpectSuccess("/hi-newcomment.tri");
|
|
}
|
|
|
|
|
|
@Test
|
|
public void testHiNewComment2() {
|
|
compileExpectFailure("/hi-newcomment2.tri");
|
|
}
|
|
|
|
|
|
@Test
|
|
public void testBarDemo() {
|
|
compileExpectFailure("/bardemo.tri");
|
|
}
|
|
|
|
|
|
@Test
|
|
public void testRepeatUntil() {
|
|
compileExpectFailure("/repeatuntil.tri");
|
|
}
|
|
|
|
@Test
|
|
public void testAdd() {
|
|
//compileExpectFailure("/addd.tri"); //fail here!
|
|
compileExpectFailure("/add.tri");
|
|
}
|
|
|
|
|
|
|
|
private void compileExpectSuccess(String filename) {
|
|
// build.gradle has a line sourceSets.test.resources.srcDir file("$rootDir/programs")
|
|
// which adds the programs directory to the list of places Java can easily find files
|
|
// getResource() below searches for a file, which is in /programs
|
|
//SourceFile source = SourceFile.ofPath(this.getClass().getResource(filename).getFile().toString());
|
|
SourceFile source = SourceFile.fromResource(filename);
|
|
|
|
Scanner scanner = new Scanner(source);
|
|
ErrorReporter reporter = new ErrorReporter(true);
|
|
Parser parser = new Parser(scanner, reporter);
|
|
|
|
parser.parseProgram();
|
|
|
|
// we should get to here with no exceptions
|
|
|
|
assertEquals("Problem compiling " + filename, 0, reporter.getNumErrors());
|
|
}
|
|
|
|
private void compileExpectFailure(String filename) {
|
|
//SourceFile source = SourceFile.ofPath(this.getClass().getResource(filename).getFile().toString());
|
|
SourceFile source = SourceFile.fromResource(filename);
|
|
Scanner scanner = new Scanner(source);
|
|
ErrorReporter reporter = new ErrorReporter(true);
|
|
Parser parser = new Parser(scanner, reporter);
|
|
|
|
// we expect an exception here as the program has invalid syntax
|
|
assertThrows(RuntimeException.class, new ThrowingRunnable() {
|
|
public void run(){
|
|
parser.parseProgram();
|
|
}
|
|
});
|
|
|
|
// currently this program will fail
|
|
assertNotEquals("Problem compiling " + filename, 0, reporter.getNumErrors());
|
|
}
|
|
|
|
}
|