v/vlib/compiler/tests/string_interpolation_test.v

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2019-08-15 11:41:23 +02:00
fn test_excape_dollar_in_string() {
i := 42
assert '($i)' == '(42)'
assert '(\$i)'.contains('i') && !'(\$i)'.contains('42')
assert !'(\\$i)'.contains('i') && '(\\$i)'.contains('42') && '(\\$i)'.contains('\\')
assert '(\\\$i)'.contains('i') && !'(\\\$i)'.contains('42') && '(\\$i)'.contains('\\')
assert !'(\\\\$i)'.contains('i') && '(\\\\$i)'.contains('42') && '(\\\\$i)'.contains('\\\\')
assert '(${i})' == '(42)'
assert '(\${i})'.contains('i') && !'(\${i})'.contains('42')
assert !'(\\${i})'.contains('i') && '(\\${i})'.contains('42') && '(\\${i})'.contains('\\')
assert '(\\\${i})'.contains('i') && !'(\\\${i})'.contains('42') && '(\\${i})'.contains('\\')
assert !'(\\\\${i})'.contains('i') && '(\\\\${i})'.contains('42') && '(\\\\${i})'.contains('\\\\')
assert i==42
}
fn test_implicit_str() {
i := 42
assert 'int $i' == 'int 42'
assert '$i' == '42'
check := '$i' == '42'
assert check
text := '$i' + '42'
assert text == '4242'
}