From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001 From: Indrajith K L Date: Sat, 3 Dec 2022 17:00:20 +0530 Subject: Adds most of the tools --- v_windows/v/old/vlib/context/deadline_test.v | 48 ++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 v_windows/v/old/vlib/context/deadline_test.v (limited to 'v_windows/v/old/vlib/context/deadline_test.v') diff --git a/v_windows/v/old/vlib/context/deadline_test.v b/v_windows/v/old/vlib/context/deadline_test.v new file mode 100644 index 0000000..e4d7280 --- /dev/null +++ b/v_windows/v/old/vlib/context/deadline_test.v @@ -0,0 +1,48 @@ +import context +import time + +const ( + // a reasonable duration to block in an example + short_duration = 1 * time.millisecond +) + +// This example passes a context with an arbitrary deadline to tell a blocking +// function that it should abandon its work as soon as it gets to it. +fn test_with_deadline() { + dur := time.now().add(short_duration) + ctx := context.with_deadline(context.background(), dur) + + defer { + // Even though ctx will be expired, it is good practice to call its + // cancellation function in any case. Failure to do so may keep the + // context and its parent alive longer than necessary. + context.cancel(ctx) + } + + ctx_ch := ctx.done() + select { + _ := <-ctx_ch {} + 1 * time.second { + panic('This should not happen') + } + } +} + +// This example passes a context with a timeout to tell a blocking function that +// it should abandon its work after the timeout elapses. +fn test_with_timeout() { + // Pass a context with a timeout to tell a blocking function that it + // should abandon its work after the timeout elapses. + ctx := context.with_timeout(context.background(), short_duration) + defer { + context.cancel(ctx) + } + + ctx_ch := ctx.done() + select { + _ := <-ctx_ch {} + 1 * time.second { + panic('This should not happen') + } + } +} -- cgit v1.2.3