Adds most of the toolsHEADmaster

1 files changed, 48 insertions, 0 deletions

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')
+		}
+	}
+}