SpecialString.coffee
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S = require '../../src/layout/SpecialString'
describe "SpecialString", ->
describe 'SpecialString()', ->
it 'should return instance', ->
S('s').should.be.instanceOf S
describe 'length()', ->
it 'should return correct length for normal text', ->
S('hello').length.should.equal 5
it 'should return correct length for text containing tabs and tags', ->
S('<a>he<you />l\tlo</a>').length.should.equal 13
it "shouldn't count empty tags as tags", ->
S('<>><').length.should.equal 4
it "should count length of single tag as 0", ->
S('<html>').length.should.equal 0
it "should work correctly with html quoted characters", ->
S(' >< &sp;').length.should.equal 5
describe 'splitIn()', ->
it "should work correctly with normal text", ->
S("123456").splitIn(3).should.be.like ['123', '456']
it "should work correctly with normal text containing tabs and tags", ->
S("12\t3<hello>456").splitIn(3).should.be.like ['12', '\t', '3<hello>45', '6']
it "should not trimLeft all lines when trimLeft is no", ->
S('abc def').splitIn(3).should.be.like ['abc', ' de', 'f']
it "should trimLeft all lines when trimLeft is true", ->
S('abc def').splitIn(3, yes).should.be.like ['abc', 'def']
describe 'cut()', ->
it "should work correctly with text containing tabs and tags", ->
original = S("12\t3<hello>456")
cut = original.cut(2, 3)
original.str.should.equal '123<hello>456'
cut.str.should.equal '\t'
it "should trim left when trimLeft is true", ->
original = S ' 132'
cut = original.cut 0, 1, yes
original.str.should.equal '32'
cut.str.should.equal '1'
it "should be greedy", ->
S("ab<tag>a").cut(0, 2).str.should.equal "ab<tag>"
describe 'isOnlySpecialChars()', ->
it "should work", ->
S("12\t3<hello>456").isOnlySpecialChars().should.equal no
S("<hello>").isOnlySpecialChars().should.equal yes
describe 'clone()', ->
it "should return independent instance", ->
a = S('hello')
b = a.clone()
a.str.should.equal b.str
a.should.not.equal b
describe 'trim()', ->
it "should return an independent instance", ->
s = S('')
s.trim().should.not.equal s
it 'should return the same string when trim is not required', ->
S('hello').trim().str.should.equal 'hello'
it 'should return trimmed string', ->
S(' hello').trim().str.should.equal 'hello'
describe 'trimLeft()', ->
it "should only trim on the left", ->
S(' hello ').trimLeft().str.should.equal 'hello '
describe 'trimRight()', ->
it "should only trim on the right", ->
S(' hello ').trimRight().str.should.equal ' hello'