TerminalsTest.java

package org.erlide.erlang;

import org.eclipse.xtext.junit4.InjectWith;
import org.eclipselabs.xtext.utils.unittesting.XtextRunner2;
import org.eclipselabs.xtext.utils.unittesting.XtextTest;
import org.erlide.ErlangInjectorProvider;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(XtextRunner2.class)
@InjectWith(ErlangInjectorProvider.class)
public class TerminalsTest extends XtextTest {

    @Test
    public void numbers() {
        testTerminal("33", "INT");
        testTerminal("6#33", "BASED_INT");
        testTerminal("16#af", "BASED_INT");
        testTerminal("36#VLad", "BASED_INT");
        testTerminal("4e5", "EXT_INT");
        testTerminal("4e+5", "EXT_INT");
        testTerminal("4e-5", "EXT_INT");

        testNotTerminal("33a", "INT");
        testNotTerminal("3a3", "INT");
        testNotTerminal("a33", "INT");
        testNotTerminal("64#33", "BASED_INT");
        testNotTerminal("4a#33", "BASED_INT");
        testNotTerminal("4#3a3", "BASED_INT");
        testNotTerminal("4 #33", "BASED_INT");
    }

    @Test
    public void comments() {
        testTerminal("% 33\n", "SL_COMMENT");
    }

    @Test
    public void atoms() {
        testTerminal("hej", "ATOM");
        testTerminal("'h\\'ej'", "ATOM");
        testTerminal("'h\nej'", "ATOM");
        testTerminal("h�j", "ATOM");
        testTerminal("'A'", "ATOM");
        testTerminal("'5'", "ATOM");
        testTerminal("'\\xfEs'", "ATOM");
        testTerminal("'\\x{facE}s'", "ATOM");
        testTerminal("' '", "ATOM");
        testTerminal("'_'", "ATOM");
        testTerminal("''", "ATOM");
        testTerminal("hej.hej", "ATOM", "'.'", "ATOM");
    }

    @Test
    public void variables() {
        testTerminal("_", "VARIABLE");
    }

    @Test
    public void strings() {
        testTerminal("\"hej\"", "STRING");
        testTerminal("\"he\\\"j\"", "STRING");
        testTerminal("\"he\nj\"", "STRING");
        testTerminal("\"h\\bej\"", "STRING");
        testTerminal("\"hej\"", "STRING");
        testTerminal("\"hej\"", "STRING");
        testTerminal("\"hej\"", "STRING");
        testTerminal("\"hej\" \"hej\"", "STRING", "WS", "STRING");
    }

    @Test
    public void others() {
        testTerminal("fun", "'fun'");
        testTerminal("fun mm:aa/2", "'fun'", "WS", "ATOM", "':'", "ATOM",
                "'/'", "INT");
        testTerminal("fun aa/2", "'fun'", "WS", "ATOM", "'/'", "INT");
        testTerminal("fun MM:?aa/2", "'fun'", "WS", "VARIABLE", "':'", "'?'",
                "ATOM", "'/'", "INT");

        testTerminal("{a}", "'{'", "ATOM", "'}'");
    }

    @Test
    public void keywords() {
        testKeyword("after");
        testKeyword("and");
        testKeyword("andalso");
        testKeyword("band");
        testKeyword("begin");
        testKeyword("bnot");
        testKeyword("bor");
        testKeyword("bsl");
        testKeyword("bsr");
        testKeyword("bxor");
        testKeyword("case");
        testKeyword("catch");
        testKeyword("cond");
        testKeyword("div");
        testKeyword("end");
        testKeyword("fun");
        testKeyword("if");
        testKeyword("let");
        testKeyword("not");
        testKeyword("of");
        testKeyword("or");
        testKeyword("orelse");
        testKeyword("query");
        testKeyword("receive");
        testKeyword("rem");
        testKeyword("try");
        testKeyword("when");
        testKeyword("xor");

        testKeyword("spec");
    }

    @Test
    public void binaries() {
        testTerminal("A= <<1>>", "VARIABLE", "'='", "WS", "'<<'", "INT", "'>>'");
        testTerminal("A=<<1>>", "VARIABLE", "'=<'", "'<'", "INT", "'>>'");
    }

}