Behavior specs cleanup: Improve rule reference specs

redux
David Majda 10 years ago
parent 936d6453a5
commit ade2c249f2

@ -391,15 +391,26 @@ describe("generated parser behavior", function() {
});
describe("rule reference", function() {
it("follows rule references", function() {
var parser = PEG.buildParser([
'start = static / dynamic',
'static = "C" / "C++" / "Java" / "C#"',
'dynamic = "Ruby" / "Python" / "JavaScript"'
].join("\n"), options);
describe("when referenced rule's expression matches", function() {
it("returns its result", function() {
var parser = PEG.buildParser([
'start = a',
'a = "a"',
].join("\n"), options);
expect(parser).toParse("Java", "Java");
expect(parser).toParse("Python", "Python");
expect(parser).toParse("a", "a");
});
});
describe("when referenced rule's expression doesn't match", function() {
it("reports match failure", function() {
var parser = PEG.buildParser([
'start = a',
'a = "a"',
].join("\n"), options);
expect(parser).toFailToParse("b");
});
});
});

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