string.textproto

name: "string"
description: "Tests for string and bytes operations."
section {
  name: "size"
  description: "Tests for the size() function."
  test {
    name: "empty"
    expr: "size('')"
    value: { int64_value: 0 }
  }
  test {
    name: "one_ascii"
    expr: "size('A')"
    value: { int64_value: 1 }
  }
  test {
    name: "one_unicode"
    expr: "size('ÿ')"
    value: { int64_value: 1 }
  }
  test {
    name: "ascii"
    expr: "size('four')"
    value: { int64_value: 4 }
  }
  test {
    name: "unicode"
    expr: "size('πέντε')"
    value: { int64_value: 5 }
  }
  test {
    name: "bytes_empty"
    expr: "size(b'')"
    value: { int64_value: 0 }
  }
  test {
    name: "bytes"
    expr: "size(b'abc')"
    value: { int64_value: 3 }
  }
}
section {
  name: "starts_with"
  description: "Tests for the startsWith() function."
  test {
    name: "basic_true"
    expr: "'foobar'.startsWith('foo')"
    value: { bool_value: true }
  }
  test {
    name: "basic_false"
    expr: "'foobar'.startsWith('bar')"
    value: { bool_value: false }
  }
  test {
    name: "empty_target"
    expr: "''.startsWith('foo')"
    value: { bool_value: false }
  }
  test {
    name: "empty_arg"
    expr: "'foobar'.startsWith('')"
    value: { bool_value: true }
  }
  test {
    name: "empty_empty"
    expr: "''.startsWith('')"
    value: { bool_value: true }
  }
  test {
    name: "unicode"
    expr: "'завтра'.startsWith('за')"
    value: { bool_value: true }
  }
  test {
    name: "unicode_smp"
    expr: "'\U0001F431\U0001F600\U0001F61B'.startsWith('\U0001F431')"
    value: { bool_value: true }
  }
}
section {
  name: "ends_with"
  description: "Tests for the endsWith() function."
  test {
    name: "basic_true"
    expr: "'foobar'.endsWith('bar')"
    value: { bool_value: true }
  }
  test {
    name: "basic_false"
    expr: "'foobar'.endsWith('foo')"
    value: { bool_value: false }
  }
  test {
    name: "empty_target"
    expr: "''.endsWith('foo')"
    value: { bool_value: false }
  }
  test {
    name: "empty_arg"
    expr: "'foobar'.endsWith('')"
    value: { bool_value: true }
  }
  test {
    name: "empty_empty"
    expr: "''.endsWith('')"
    value: { bool_value: true }
  }
  test {
    name: "unicode"
    expr: "'forté'.endsWith('té')"
    value: { bool_value: true }
  }
  test {
    name: "unicode_smp"
    expr: "'\U0001F431\U0001F600\U0001F61B'.endsWith('\U0001F61B')"
    value: { bool_value: true }
  }
}
section {
  name: "matches"
  description: "Tests for regexp matching.  For now, we will only test the subset of regular languages."
  test {
    name: "basic"
    expr: "'hubba'.matches('ubb')"
    value: { bool_value: true }
  }
  test {
    name: "empty_target"
    expr: "''.matches('foo|bar')"
    value: { bool_value: false }
  }
  test {
    name: "empty_arg"
    expr: "'cows'.matches('')"
    value: { bool_value: true }
  }
  test {
    name: "empty_empty"
    expr: "''.matches('')"
    value: { bool_value: true }
  }
  test {
    name: "re_concat"
    expr: "'abcd'.matches('bc')"
    value: { bool_value: true }
  }
  test {
    name: "re_alt"
    expr: "'grey'.matches('gr(a|e)y')"
    value: { bool_value: true }
  }
  test {
    name: "re_rep"
    expr: "'banana'.matches('ba(na)*')"
    value: { bool_value: true }
  }
  test {
    name: "unicode"
    expr: "'mañana'.matches('a+ñ+a+')"
    value: { bool_value: true }
  }
  test {
    name: "unicode_smp"
    expr: "'\U0001F431\U0001F600\U0001F600'.matches('(a|\U0001F600){2}')"
    value: { bool_value: true }
  }
}
section {
  name: "concatentation"
  description: "Tests for string concatenation."
  test {
    name: "concat_true"
    expr: "'he' + 'llo'"
    value: { string_value: "hello" }
  }
  test {
    name: "concat_with_spaces"
    expr: "'hello' + ' ' == 'hello'"
    value: { bool_value: false }
  }
  test {
    name: "concat_empty_string_beginning"
    expr: "'' + 'abc'"
    value: { string_value: "abc" }
  }
  test {
    name: "concat_empty_string_end"
    expr: "'abc' + ''"
    value: { string_value: "abc" }
  }
  test {
    name: "concat_empty_with_empty"
    expr: "'' + ''"
    value: { string_value: "" }
  }
  test {
    name: "unicode_unicode"
    expr: "'¢' + 'ÿ' + 'Ȁ'"
    value: { string_value: "¢ÿȀ" }
  }
  test {
    name: "ascii_unicode"
    expr: "'r' + 'ô' + 'le'"
    value: { string_value: "rôle" }
  }
  test {
    name: "ascii_unicode_unicode_smp"
    expr: "'a' + 'ÿ' + '\U0001F431'"
    value: { string_value: "aÿ\xf0\x9f\x90\xb1" }
  }
  test {
    name: "empty_unicode"
    expr: "'' + 'Ω' + ''"
    value: { string_value: "Ω" }
  }
}
section {
  name: "contains"
  description: "Tests for contains."
  test {
    name: "contains_true"
    expr: "'hello'.contains('he')"
    value: { bool_value: true }
  }
  test {
    name: "contains_empty"
    expr: "'hello'.contains('')"
    value: { bool_value: true }
  }
  test {
    name: "contains_false"
    expr: "'hello'.contains('ol')"
    value: { bool_value: false }
  }
  test {
    name: "contains_multiple"
    expr: "'abababc'.contains('ababc')"
    value: { bool_value: true }
  }
  test {
    name: "contains_unicode"
    expr: "'Straße'.contains('aß')"
    value: { bool_value: true }
  }
  test {
    name: "contains_unicode_smp"
    expr: "'\U0001F431\U0001F600\U0001F601'.contains('\U0001F600')"
    value: { bool_value: true }
  }
  test {
    name: "empty_contains"
    expr: "''.contains('something')"
    value: { bool_value: false }
  }
  test {
    name: "empty_empty"
    expr: "''.contains('')"
    value: { bool_value: true }
  }
}
section {
  name: "bytes_concat"
  description: "Tests for bytes concatenation."
  test {
    name: "concat"
    expr: "b'abc' + b'def'"
    value: { bytes_value: "abcdef" }
  }
  test {
    name: "left_unit"
    expr: "b'' + b'\\xffoo'"
    value: { bytes_value: "\377oo" }
  }
  test {
    name: "right_unit"
    expr: "b'zxy' + b''"
    value: { bytes_value: "zxy" }
  }
  test {
    name: "empty_empty"
    expr: "b'' + b''"
    value: { bytes_value: "" }
  }
}