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Diffstat (limited to 'tests/niminaction/Chapter3/various3.nim')
-rw-r--r-- | tests/niminaction/Chapter3/various3.nim | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tests/niminaction/Chapter3/various3.nim b/tests/niminaction/Chapter3/various3.nim new file mode 100644 index 000000000..478229b00 --- /dev/null +++ b/tests/niminaction/Chapter3/various3.nim @@ -0,0 +1,93 @@ +import threadpool +proc foo: string = "Dog" +var x: FlowVar[string] = spawn foo() +assert(^x == "Dog") + +block: + type + Box = object + case empty: bool + of false: + contents: string + else: + discard + + var obj = Box(empty: false, contents: "Hello") + assert obj.contents == "Hello" + + var obj2 = Box(empty: true) + doAssertRaises(FieldError): + echo(obj2.contents) + +import json +assert parseJson("null").kind == JNull +assert parseJson("true").kind == JBool +assert parseJson("42").kind == JInt +assert parseJson("3.14").kind == JFloat +assert parseJson("\"Hi\"").kind == JString +assert parseJson("""{ "key": "value" }""").kind == JObject +assert parseJson("[1, 2, 3, 4]").kind == JArray + +import json +let data = """ + {"username": "Dominik"} +""" + +let obj = parseJson(data) +assert obj.kind == JObject +assert obj["username"].kind == JString +assert obj["username"].str == "Dominik" + +block: + proc count10(): int = + for i in 0 .. <10: + result.inc + assert count10() == 10 + +type + Point = tuple[x, y: int] + +var point = (5, 10) +var point2 = (x: 5, y: 10) + +type + Human = object + name: string + age: int + +var jeff = Human(name: "Jeff", age: 23) +var amy = Human(name: "Amy", age: 20) + +import asyncdispatch + +var future = newFuture[int]() +doAssert(not future.finished) + +future.callback = + proc (future: Future[int]) = + echo("Future is no longer empty, ", future.read) + +future.complete(42) + +import asyncdispatch, asyncfile + +when false: + var file = openAsync("") + let dataFut = file.readAll() + dataFut.callback = + proc (future: Future[string]) = + echo(future.read()) + + asyncdispatch.runForever() + +import asyncdispatch, asyncfile, os + +proc readFiles() {.async.} = + # --- Changed to getTempDir here. + var file = openAsync(getTempDir() / "test.txt", fmReadWrite) + let data = await file.readAll() + echo(data) + await file.write("Hello!\n") + +waitFor readFiles() + |