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Behavior specs cleanup: Add group specs

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While groups don't create separate nodes on the AST level, they exist
as concept on the user level, so they should be specified.
This commit is contained in:
David Majda 2015-01-26 09:44:42 +01:00
parent e306b58443
commit 73795a65cc
1 changed files with 18 additions and 0 deletions
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18
spec/behavior/generated-parser-behavior.spec.js
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@ -598,6 +598,24 @@ describe("generated parser behavior", function() {
});
});
describe("group", function() {
describe("when the expression matches", function() {
it("returns its match result", function() {
var parser = PEG.buildParser('start = ("a")', options);
expect(parser).toParse("a", "a");
});
});
describe("when the expression doesn't match", function() {
it("reports match failure", function() {
var parser = PEG.buildParser('start = ("a")', options);
expect(parser).toFailToParse("b");
});
});
});
describe("optional", function() {
describe("when the expression matches", function() {
it("returns its match result", function() {