diff options
Diffstat (limited to 'tests/stdlib/tjson.nim')
| -rw-r--r-- | tests/stdlib/tjson.nim | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/stdlib/tjson.nim b/tests/stdlib/tjson.nim index e538baf4f..e757e6c7e 100644 --- a/tests/stdlib/tjson.nim +++ b/tests/stdlib/tjson.nim @@ -8,14 +8,27 @@ Note: Macro tests are in tests/stdlib/tjsonmacro.nim ]# import std/[json,parsejson,strutils] +from std/math import isNaN when not defined(js): import std/streams proc testRoundtrip[T](t: T, expected: string) = + # checks that `T => json => T2 => json2` is such that json2 = json let j = %t doAssert $j == expected, $j doAssert %(j.to(T)) == j +proc testRoundtripVal[T](t: T, expected: string) = + # similar to testRoundtrip, but also checks that the `T => json => T2` is such that `T2 == T` + # note that this isn't always possible, e.g. for pointer-like types or nans + let j = %t + doAssert $j == expected, $j + let j2 = ($j).parseJson + doAssert $j2 == expected, $(j2, t) + let t2 = j2.to(T) + doAssert t2 == t + doAssert $(%* t2) == expected # sanity check, because -0.0 = 0.0 but their json representation differs + let testJson = parseJson"""{ "a": [1, 2, 3, 4], "b": "asd", "c": "\ud83c\udf83", "d": "\u00E6"}""" # nil passthrough doAssert(testJson{"doesnt_exist"}{"anything"}.isNil) @@ -301,6 +314,16 @@ block: # bug #17383 testRoundtrip(int64.high): "9223372036854775807" testRoundtrip(uint64.high): "18446744073709551615" +block: # bug #18007 + testRoundtrip([NaN, Inf, -Inf, 0.0, -0.0, 1.0]): """["nan","inf","-inf",0.0,-0.0,1.0]""" + # pending https://github.com/nim-lang/Nim/issues/18025 use: + # testRoundtrip([float32(NaN), Inf, -Inf, 0.0, -0.0, 1.0]) + let inf = float32(Inf) + testRoundtrip([float32(NaN), inf, -inf, 0.0, -0.0, 1.0]): """["nan","inf","-inf",0.0,-0.0,1.0]""" + when not defined(js): # because of Infinity vs inf + testRoundtripVal([inf, -inf, 0.0, -0.0, 1.0]): """["inf","-inf",0.0,-0.0,1.0]""" + let a = parseJson($(%NaN)).to(float) + doAssert a.isNaN block: let a = "18446744073709551615" |