Adds most of the toolsHEADmaster

1 files changed, 35 insertions, 0 deletions

diff --git a/v_windows/v/old/vlib/sync/channel_array_mut_test.v b/v_windows/v/old/vlib/sync/channel_array_mut_test.v
new file mode 100644
index 0000000..bfd53a1
--- /dev/null
+++ b/v_windows/v/old/vlib/sync/channel_array_mut_test.v
@@ -0,0 +1,35 @@
+const (
+	num_iterations = 10000
+)
+
+struct St {
+mut:
+	dummy  i64
+	dummy2 u32
+	dummy3 i64
+	n      int
+	dummy4 int
+}
+
+// this function gets an array of channels for `St` references
+fn do_rec_calc_send(chs []chan mut St) {
+	for {
+		mut s := <-chs[0] or { break }
+		s.n++
+		chs[1] <- s
+	}
+}
+
+fn test_channel_array_mut() {
+	mut chs := [chan mut St{cap: 1}, chan mut St{}]
+	go do_rec_calc_send(chs)
+	mut t := &St{
+		n: 100
+	}
+	for _ in 0 .. num_iterations {
+		chs[0] <- t
+		t = <-chs[1]
+	}
+	chs[0].close()
+	assert t.n == 100 + num_iterations
+}