mirror of
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synced 2025-04-04 12:47:36 +03:00
70 lines
3 KiB
Go
70 lines
3 KiB
Go
package protocol
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import (
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Stream ID", func() {
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It("InvalidStreamID is smaller than all valid stream IDs", func() {
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Expect(InvalidStreamID).To(BeNumerically("<", 0))
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})
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It("says who initiated a stream", func() {
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Expect(StreamID(4).InitiatedBy()).To(Equal(PerspectiveClient))
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Expect(StreamID(5).InitiatedBy()).To(Equal(PerspectiveServer))
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Expect(StreamID(6).InitiatedBy()).To(Equal(PerspectiveClient))
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Expect(StreamID(7).InitiatedBy()).To(Equal(PerspectiveServer))
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})
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It("tells the directionality", func() {
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Expect(StreamID(4).Type()).To(Equal(StreamTypeBidi))
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Expect(StreamID(5).Type()).To(Equal(StreamTypeBidi))
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Expect(StreamID(6).Type()).To(Equal(StreamTypeUni))
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Expect(StreamID(7).Type()).To(Equal(StreamTypeUni))
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})
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It("tells the stream number", func() {
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Expect(StreamID(0).StreamNum()).To(BeEquivalentTo(1))
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Expect(StreamID(1).StreamNum()).To(BeEquivalentTo(1))
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Expect(StreamID(2).StreamNum()).To(BeEquivalentTo(1))
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Expect(StreamID(3).StreamNum()).To(BeEquivalentTo(1))
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Expect(StreamID(8).StreamNum()).To(BeEquivalentTo(3))
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Expect(StreamID(9).StreamNum()).To(BeEquivalentTo(3))
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Expect(StreamID(10).StreamNum()).To(BeEquivalentTo(3))
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Expect(StreamID(11).StreamNum()).To(BeEquivalentTo(3))
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})
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Context("converting stream nums to stream IDs", func() {
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It("handles 0", func() {
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Expect(StreamNum(0).StreamID(StreamTypeBidi, PerspectiveClient)).To(Equal(InvalidStreamID))
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Expect(StreamNum(0).StreamID(StreamTypeBidi, PerspectiveServer)).To(Equal(InvalidStreamID))
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Expect(StreamNum(0).StreamID(StreamTypeUni, PerspectiveClient)).To(Equal(InvalidStreamID))
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Expect(StreamNum(0).StreamID(StreamTypeUni, PerspectiveServer)).To(Equal(InvalidStreamID))
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})
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It("handles the first", func() {
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Expect(StreamNum(1).StreamID(StreamTypeBidi, PerspectiveClient)).To(Equal(StreamID(0)))
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Expect(StreamNum(1).StreamID(StreamTypeBidi, PerspectiveServer)).To(Equal(StreamID(1)))
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Expect(StreamNum(1).StreamID(StreamTypeUni, PerspectiveClient)).To(Equal(StreamID(2)))
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Expect(StreamNum(1).StreamID(StreamTypeUni, PerspectiveServer)).To(Equal(StreamID(3)))
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})
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It("handles others", func() {
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Expect(StreamNum(100).StreamID(StreamTypeBidi, PerspectiveClient)).To(Equal(StreamID(396)))
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Expect(StreamNum(100).StreamID(StreamTypeBidi, PerspectiveServer)).To(Equal(StreamID(397)))
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Expect(StreamNum(100).StreamID(StreamTypeUni, PerspectiveClient)).To(Equal(StreamID(398)))
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Expect(StreamNum(100).StreamID(StreamTypeUni, PerspectiveServer)).To(Equal(StreamID(399)))
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})
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It("has the right value for MaxStreamCount", func() {
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const maxStreamID = StreamID(1<<62 - 1)
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for _, dir := range []StreamType{StreamTypeUni, StreamTypeBidi} {
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for _, pers := range []Perspective{PerspectiveClient, PerspectiveServer} {
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Expect(MaxStreamCount.StreamID(dir, pers)).To(BeNumerically("<=", maxStreamID))
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Expect((MaxStreamCount + 1).StreamID(dir, pers)).To(BeNumerically(">", maxStreamID))
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}
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}
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})
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})
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})
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