root/cobra/trunk/Tests/100-basics/062-string-substitution.cobra

namespace Test

    class Test

        def main
            is shared

            i as int = 3
            j as int = 7

            # substitution works with single quotes
            assert ' [i] '==' 3 '
            assert '[i] '=='3 '
            assert ' [i]'==' 3'
            assert '[i]'=='3'

            assert '[i] [j]'=='3 7'
            assert '[i][j]'=='37'

            name as String = 'world'
            assert 'Hello, [name].'=='Hello, world.'

            # nested brackets
            s as String = 'abc'
            i = 1
            #print 'the letter at [i] is [s[i]].'
            #assert 'the letter at [i] is [s[i]].'=='the letter at 1 is b.'
            si = s[i]
            assert 'the letter at [i] is [si].'=='the letter at 1 is b.'

            # substitution works with double quotes
            i = 3
            assert " [i] "==' 3 '
            assert "[i] "=='3 '
            assert " [i]"==' 3'
            assert "[i]"=='3'
            assert "[i] [j]"=='3 7'
            assert "[i][j]"=='37'
            assert "Hello, [name]."=='Hello, world.'

            # escape [ with backslash: 'do not \[sub]'
            foo = 1
            bar = 2
            assert 'foo \[bar]' == r'foo [bar]'
            assert 'foo \[bar] [foo]' == r'foo [bar] 1'
            assert 'foo [bar] \[foo]' == r'foo 2 [foo]'

            # formatting - moved to 062-string-substitution-fmt
            #mol as int = 42
            #assert '[mol:N]'=='42.00'
            #assert "[mol:N]"=='42.00'
            #assert '[mol:%2d]'=='42.00' # jvm

            # the ns prefix means "no sub" or "no substitution"
            assert ns'aoeu'=='aoeu'
            assert ns'aoeu'.length==4
            assert ns'[i]'.length==3