mirror of
https://github.com/ether/etherpad-lite.git
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56 lines
2.3 KiB
JavaScript
56 lines
2.3 KiB
JavaScript
var AttributePool = require("ep_etherpad-lite/static/js/AttributePool");
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var Changeset = require("ep_etherpad-lite/static/js/Changeset");
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var helper = require("./helper.js")
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var assertEqualStrings = helper.assertEqualStrings;
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var assertEqualArrays = helper.assertEqualArrays;
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var random = helper.random;
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var randomMultiline = helper.randomMultiline;
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var randomInlineString = helper.randomInlineString;
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var randomTestChangeset = helper.randomTestChangeset;
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describe("follow",function(){
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it("follows",function(done){
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for (var i = 0; i < 30; i++) testFollow(i);
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done();
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})
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it("testCharacterRangeFollow",function(done){
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testCharacterRangeFollow(1, 'Z:z>9*0=1=4-3+9=1|1-4-4+1*0+a$123456789abcdefghijk', [7, 10], false, [14, 15]);
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testCharacterRangeFollow(2, "Z:bc<6|x=b4|2-6$", [400, 407], false, [400, 401]);
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testCharacterRangeFollow(3, "Z:4>0-3+3$abc", [0, 3], false, [3, 3]);
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testCharacterRangeFollow(4, "Z:4>0-3+3$abc", [0, 3], true, [0, 0]);
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testCharacterRangeFollow(5, "Z:5>1+1=1-3+3$abcd", [1, 4], false, [5, 5]);
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testCharacterRangeFollow(6, "Z:5>1+1=1-3+3$abcd", [1, 4], true, [2, 2]);
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testCharacterRangeFollow(7, "Z:5>1+1=1-3+3$abcd", [0, 6], false, [1, 7]);
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testCharacterRangeFollow(8, "Z:5>1+1=1-3+3$abcd", [0, 3], false, [1, 2]);
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testCharacterRangeFollow(9, "Z:5>1+1=1-3+3$abcd", [2, 5], false, [5, 6]);
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testCharacterRangeFollow(10, "Z:2>1+1$a", [0, 0], false, [1, 1]);
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testCharacterRangeFollow(11, "Z:2>1+1$a", [0, 0], true, [0, 0]);
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done();
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})
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})
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function testCharacterRangeFollow(testId, cs, oldRange, insertionsAfter, correctNewRange) {
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cs = Changeset.checkRep(cs);
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assertEqualArrays(correctNewRange, Changeset.characterRangeFollow(cs, oldRange[0], oldRange[1], insertionsAfter));
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}
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function testFollow(randomSeed) {
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var rand = new random();
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var p = new AttributePool();
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var startText = randomMultiline(10, 20, rand) + '\n';
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var cs1 = randomTestChangeset(startText, rand)[0];
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var cs2 = randomTestChangeset(startText, rand)[0];
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var afb = Changeset.checkRep(Changeset.follow(cs1, cs2, false, p));
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var bfa = Changeset.checkRep(Changeset.follow(cs2, cs1, true, p));
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var merge1 = Changeset.checkRep(Changeset.compose(cs1, afb));
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var merge2 = Changeset.checkRep(Changeset.compose(cs2, bfa));
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assertEqualStrings(merge1, merge2);
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}
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