1 files changed, 79 insertions, 0 deletions
diff --git a/v_windows/v/vlib/v/tests/go_wait_option_test.v b/v_windows/v/vlib/v/tests/go_wait_option_test.v
new file mode 100644
index 0000000..80cf7e2
--- /dev/null
+++ b/v_windows/v/vlib/v/tests/go_wait_option_test.v
@@ -0,0 +1,79 @@
+fn f(n int) ?f64 {
+	if n < 0 {
+		return error('negative number')
+	}
+	return n + f64(n) / 2
+}
+
+fn g(n int) ? {
+	if n % 2 == 0 {
+		return error('even number')
+	} else {
+		return
+	}
+}
+
+fn test_opt_val_wait() {
+	h1 := go f(-1)
+	h2 := go f(3)
+	r1 := h1.wait() or { 17.0 }
+	r2 := h2.wait() or { 23.0 }
+	assert r1 == 17.0
+	assert r2 == 4.5
+}
+
+fn test_opt_void_wait() {
+	h1 := go g(2)
+	h2 := go g(3)
+	mut x := 0
+	mut y := 0
+	h1.wait() or { x = 1 }
+	h2.wait() or { y = 1 }
+	assert x == 1
+	assert y == 0
+}
+
+fn propagate(n int, m int) ?f64 {
+	h1 := go f(n)
+	h2 := go g(m)
+	r := h1.wait() ?
+	h2.wait() ?
+	return r
+}
+
+fn test_propagate() {
+	x := propagate(5, 3) or { 27.0 }
+	y := propagate(-3, 3) or { 29.0 }
+	z := propagate(5, 2) or { 31.0 }
+	assert x == 7.5
+	assert y == 29.0
+	assert z == 31.0
+}
+
+fn test_array_void_interate() {
+	mut r := []thread ?{}
+	for i in 0 .. 3 {
+		r << go g(i)
+	}
+	mut res := []int{len: 3, init: 17}
+	for i, t in r {
+		t.wait() or { res[i] = i }
+	}
+	assert res[0] == 0
+	assert res[1] == 17
+	assert res[2] == 2
+}
+
+fn test_array_val_interate() {
+	mut r := []thread ?f64{}
+	for i in -1 .. 2 {
+		r << go f(i)
+	}
+	mut res := []f64{len: 3}
+	for i, t in r {
+		res[i] = t.wait() or { 17.0 }
+	}
+	assert res[0] == 17.0
+	assert res[1] == 0.0
+	assert res[2] == 1.5
+}