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Diffstat (limited to 'vendor/golang.org/x/net/http2/flow_test.go')
-rw-r--r--vendor/golang.org/x/net/http2/flow_test.go87
1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/http2/flow_test.go b/vendor/golang.org/x/net/http2/flow_test.go
new file mode 100644
index 0000000..7ae82c7
--- /dev/null
+++ b/vendor/golang.org/x/net/http2/flow_test.go
@@ -0,0 +1,87 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package http2
+
+import "testing"
+
+func TestFlow(t *testing.T) {
+ var st flow
+ var conn flow
+ st.add(3)
+ conn.add(2)
+
+ if got, want := st.available(), int32(3); got != want {
+ t.Errorf("available = %d; want %d", got, want)
+ }
+ st.setConnFlow(&conn)
+ if got, want := st.available(), int32(2); got != want {
+ t.Errorf("after parent setup, available = %d; want %d", got, want)
+ }
+
+ st.take(2)
+ if got, want := conn.available(), int32(0); got != want {
+ t.Errorf("after taking 2, conn = %d; want %d", got, want)
+ }
+ if got, want := st.available(), int32(0); got != want {
+ t.Errorf("after taking 2, stream = %d; want %d", got, want)
+ }
+}
+
+func TestFlowAdd(t *testing.T) {
+ var f flow
+ if !f.add(1) {
+ t.Fatal("failed to add 1")
+ }
+ if !f.add(-1) {
+ t.Fatal("failed to add -1")
+ }
+ if got, want := f.available(), int32(0); got != want {
+ t.Fatalf("size = %d; want %d", got, want)
+ }
+ if !f.add(1<<31 - 1) {
+ t.Fatal("failed to add 2^31-1")
+ }
+ if got, want := f.available(), int32(1<<31-1); got != want {
+ t.Fatalf("size = %d; want %d", got, want)
+ }
+ if f.add(1) {
+ t.Fatal("adding 1 to max shouldn't be allowed")
+ }
+}
+
+func TestFlowAddOverflow(t *testing.T) {
+ var f flow
+ if !f.add(0) {
+ t.Fatal("failed to add 0")
+ }
+ if !f.add(-1) {
+ t.Fatal("failed to add -1")
+ }
+ if !f.add(0) {
+ t.Fatal("failed to add 0")
+ }
+ if !f.add(1) {
+ t.Fatal("failed to add 1")
+ }
+ if !f.add(1) {
+ t.Fatal("failed to add 1")
+ }
+ if !f.add(0) {
+ t.Fatal("failed to add 0")
+ }
+ if !f.add(-3) {
+ t.Fatal("failed to add -3")
+ }
+ if got, want := f.available(), int32(-2); got != want {
+ t.Fatalf("size = %d; want %d", got, want)
+ }
+ if !f.add(1<<31 - 1) {
+ t.Fatal("failed to add 2^31-1")
+ }
+ if got, want := f.available(), int32(1+-3+(1<<31-1)); got != want {
+ t.Fatalf("size = %d; want %d", got, want)
+ }
+
+}