v2 / vlib / x / json2 / tests / decode_string_test.v
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1import x.json2 as json


2


3fn test_json_escape_low_chars() {


4    assert json.decode[string](r'"\u001b"')! == '\u001b'


5    assert json.decode[string](r'"\u000f"')! == '\u000f'


6    assert json.decode[string](r'" "')! == '\u0020'


7    assert json.decode[string](r'"\u0000"')! == '\u0000'


8}


9


10fn test_json_string() {


11    assert json.decode[string](r'"te\u2714st"')! == 'te✔st'


12    assert json.decode[string](r'"te✔st"')! == 'te✔st'


13    assert json.decode[string]('""')! == ''


14}


15


16fn test_json_string_emoji() {


17    assert json.decode[string](r'"🐈"')! == '🐈'


18    assert json.decode[string](r'"💀"')! == '💀'


19    assert json.decode[string](r'"🐈💀"')! == '🐈💀'


20}


21


22fn test_json_string_non_ascii() {


23    assert json.decode[string](r'"\u3072\u3089\u304c\u306a"')! == 'ひらがな'


24    assert json.decode[string]('"a\\u3072b\\u3089c\\u304cd\\u306ae fgh"')! == 'aひbらcがdなe fgh'


25    assert json.decode[string]('"\\u3072\\u3089\\u304c\\u306a"')! == 'ひらがな'


26}


27


28fn test_utf8_strings_are_not_modified() {


29    assert json.decode[string]('"ü"')! == 'ü'


30    assert json.decode[string]('"Schilddrüsenerkrankungen"')! == 'Schilddrüsenerkrankungen'


31}


32


33fn test_json_string_invalid_escapes() {


34    mut has_error := false


35


36    json.decode[string](r'"\x"') or {


37        if err is json.JsonDecodeError {


38            assert err.line == 1


39            assert err.character == 3


40            assert err.message == 'Syntax: unknown escape sequence'


41        }


42        has_error = true


43    } // Invalid escape


44


45    assert has_error, 'Expected error'


46    has_error = false


47


48    json.decode[string](r'"\u123"') or {


49        if err is json.JsonDecodeError {


50            assert err.line == 1


51            assert err.character == 3


52            assert err.message == 'Syntax: short unicode escape sequence \\u123'


53        }


54        has_error = true


55    } // Incomplete Unicode


56


57    assert has_error, 'Expected error'


58}


59


60fn test_json_string_whitespace() {


61    // Test strings with whitespace


62    assert json.decode[string]('"   "')! == '   '


63    assert json.decode[string]('"\t\n\r"')! == '\t\n\r'


64}


65