nim-json-serialization/tests/test_line_col.nim

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2023-12-18 04:05:12 +00:00
# json-serialization
# Copyright (c) 2023 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
import
faststreams,
unittest2
# we want to test lexer internals
# hence use include instead of import
include
../json_serialization/lexer
type
TestCase = object
line: int
col: int
text: string
flags: JsonReaderFlags
conf: JsonReaderConf
func tc(line: int, col: int, text: string): TestCase =
TestCase(
line: line,
col: col,
text: text,
flags: defaultJsonReaderFlags,
conf: defaultJsonReaderConf,
)
func tc(line: int, col: int, text: string, flags: JsonReaderFlags): TestCase =
TestCase(
line: line,
col: col,
text: text,
flags: flags,
conf: defaultJsonReaderConf,
)
when false:
func tc(line: int, col: int, text: string, conf: JsonReaderConf): TestCase =
TestCase(
line: line,
col: col,
text: text,
flags: defaultJsonReaderFlags,
conf: conf,
)
func noComment(): JsonReaderFlags =
result = defaultJsonReaderFlags
result.excl JsonReaderFlag.allowComments
func noTrailingComma(): JsonReaderFlags =
result = defaultJsonReaderFlags
result.excl JsonReaderFlag.trailingComma
const testCases = [
tc(2, 19, """
{
"a" : 1234.567 // comments
}
""", noComment()),
tc(2, 19, """
{
"a" : 1234.567 /* comments */
}
""", noComment()),
tc(4, 3, """
{
"a" : 1234.567 /* comments
}
"""),
tc(2, 8, """
{
"a" 1234.567
}
"""),
tc(3, 3, """
{
,
"""),
tc(4, 1, """
{
"a":
1 ,
}
""", noTrailingComma()),
tc(3, 4, """
[
,
"""),
tc(2, 3, """
[
b
]
"""),
tc(4, 1, """
[
1
,
]
""", noTrailingComma()),
]
suite "Test line col":
for i, tc in testCases:
test $i:
var stream = unsafeMemoryInput(tc.text)
var lex = init(JsonLexer, stream, tc.flags, tc.conf)
var value: JsonValueRef[uint64]
lex.scanValue(value)
check:
lex.err != errNone
lex.line == tc.line
lex.tokenStartCol == tc.col