Initial checkin of gRPC to third_party/

third_party/grpc/tools/http2_interop/testsuite.go

+package http2interop
+
+import (
+        "path"
+        "runtime"
+        "strings"
+        "sync"
+        "testing"
+)
+
+// When a test is skipped or fails, runtime.Goexit() is called which destroys the callstack.
+// This means the name of the test case is lost, so we need to grab a copy of pc before.
+func Report(t testing.TB) {
+        // If the goroutine panics, Fatal()s, or Skip()s, the function name is at the 3rd callstack
+        // layer.  On success, its at 1st.  Since it's hard to check which happened, just try both.
+        pcs := make([]uintptr, 10)
+        total := runtime.Callers(1, pcs)
+        var name string
+        for _, pc := range pcs[:total] {
+                fn := runtime.FuncForPC(pc)
+                fullName := fn.Name()
+                if strings.HasPrefix(path.Ext(fullName), ".Test") {
+                        // Skip the leading .
+                        name = string([]byte(path.Ext(fullName))[1:])
+                        break
+                }
+        }
+        if name == "" {
+                return
+        }
+
+        allCaseInfos.lock.Lock()
+        defer allCaseInfos.lock.Unlock()
+        allCaseInfos.Cases = append(allCaseInfos.Cases, &caseInfo{
+                Name:    name,
+                Passed:  !t.Failed() && !t.Skipped(),
+                Skipped: t.Skipped(),
+                Fatal:   t.Failed() && !strings.HasPrefix(name, "TestSoon"),
+        })
+}
+
+type caseInfo struct {
+        Name    string `json:"name"`
+        Passed  bool   `json:"passed"`
+        Skipped bool   `json:"skipped,omitempty"`
+        Fatal   bool   `json:"fatal,omitempty"`
+}
+
+type caseInfos struct {
+        lock  sync.Mutex
+        Cases []*caseInfo `json:"cases"`
+}
+
+var (
+        allCaseInfos = caseInfos{}
+)