add vendor

vendor/github.com/smartystreets/goconvey/convey/gotest/utils.go

@@ -0,0 +1,28 @@
+// Package gotest contains internal functionality. Although this package
+// contains one or more exported names it is not intended for public
+// consumption. See the examples package for how to use this project.
+package gotest
+
+import (
+	"runtime"
+	"strings"
+)
+
+func ResolveExternalCaller() (file string, line int, name string) {
+	var caller_id uintptr
+	callers := runtime.Callers(0, callStack)
+
+	for x := 0; x < callers; x++ {
+		caller_id, file, line, _ = runtime.Caller(x)
+		if strings.HasSuffix(file, "_test.go") || strings.HasSuffix(file, "_tests.go") {
+			name = runtime.FuncForPC(caller_id).Name()
+			return
+		}
+	}
+	file, line, name = "<unkown file>", -1, "<unknown name>"
+	return // panic?
+}
+
+const maxStackDepth = 100 // This had better be enough...
+
+var callStack []uintptr = make([]uintptr, maxStackDepth, maxStackDepth)