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| author | Timothee Cour <timothee.cour2@gmail.com> | 2022-04-07 14:38:01 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-07 17:38:01 -0400 |
| commit | e78ef57c93d66da483e0482ce0907dfe16dc8d27 (patch) | |
| tree | 32ba3900b479bc2e046aca563df99c1be77a5d9d /tests | |
| parent | 1807de38e52f45c2fb88dac9b99b47729b12ebae (diff) | |
| download | Nim-e78ef57c93d66da483e0482ce0907dfe16dc8d27.tar.gz | |
typetraits: add toSigned, toUnsigned (#18445)
* typetraits: add toSigned, toUnsigned * improve and add tests Co-authored-by: Andreas Rumpf <rumpf_a@web.de> Co-authored-by: flywind <xzsflywind@gmail.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/metatype/ttypetraits.nim | 15 | ||||
| -rw-r--r-- | tests/stdlib/tbitops_utils.nim | 14 | ||||
| -rw-r--r-- | tests/stdlib/ttypetraits.nim | 4 |
3 files changed, 31 insertions, 2 deletions
diff --git a/tests/metatype/ttypetraits.nim b/tests/metatype/ttypetraits.nim index 3ff5c5ea6..bfaa23057 100644 --- a/tests/metatype/ttypetraits.nim +++ b/tests/metatype/ttypetraits.nim @@ -1,6 +1,21 @@ import typetraits import macros +block: # toUnsigned, toSigned + var a1: toSigned(int16) + doAssert a1 is int16 + var a2: toSigned(uint16) + doAssert $a2.typeof == "int16" + doAssert toSigned(uint32) is int32 + doAssert uint64.toSigned is int64 + doAssert int64.toSigned is int64 + doAssert int64.toUnsigned is uint64 + doAssert int.toUnsigned is uint + doAssert $uint.toUnsigned == "uint" + # disallowed for now + doAssert not compiles(toUnsigned(range[0..7])) + doAssert not compiles(toSigned(range[0..7])) + block: # isNamedTuple type Foo1 = (a:1,).type type Foo2 = (Field0:1,).type diff --git a/tests/stdlib/tbitops_utils.nim b/tests/stdlib/tbitops_utils.nim new file mode 100644 index 000000000..b571baeae --- /dev/null +++ b/tests/stdlib/tbitops_utils.nim @@ -0,0 +1,14 @@ +import std/private/bitops_utils + +template chk(a, b) = + let a2 = castToUnsigned(a) + doAssert a2 == b + doAssert type(a2) is type(b) + doAssert type(b) is type(a2) + +chk 1'i8, 1'u8 +chk -1'i8, 255'u8 +chk 1'u8, 1'u8 +chk 1'u, 1'u +chk -1, cast[uint](-1) +chk -1'i64, cast[uint64](-1) diff --git a/tests/stdlib/ttypetraits.nim b/tests/stdlib/ttypetraits.nim index de8259ab0..799bcf6e2 100644 --- a/tests/stdlib/ttypetraits.nim +++ b/tests/stdlib/ttypetraits.nim @@ -2,9 +2,9 @@ discard """ targets: "c cpp js" """ -import std/typetraits - +# xxx merge with tests/metatype/ttypetraits.nim +import std/typetraits macro testClosure(fn: typed, flag: static bool) = if flag: |