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Behavior specs cleanup: Improve label specs

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David Majda 2015-01-16 15:45:54 +01:00
parent c5c44b9d0c
commit 52144e48cb
1 changed files with 13 additions and 4 deletions
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17
spec/behavior/generated-parser-behavior.spec.js
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@ -724,11 +724,20 @@ describe("generated parser behavior", function() {
});
describe("label", function() {
it("delegates to the expression", function() {
var parser = PEG.buildParser('start = a:"a"', options);
describe("when the expression matches", function() {
it("returns its match result", function() {
var parser = PEG.buildParser('start = a:"a"', options);
expect(parser).toParse("a", "a");
expect(parser).toFailToParse("b");
expect(parser).toParse("a", "a");
});
});
describe("when the expression doesn't match", function() {
it("reports match failure", function() {
var parser = PEG.buildParser('start = a:"a"', options);
expect(parser).toFailToParse("b");
});
});
});