Make HTTP code work with C++11.

Fixes https://github.com/sandstorm-io/ekam/issues/13
Fixes https://github.com/sandstorm-io/ekam/issues/11

c++/src/kj/compat/http-test.c++

@@ -310,6 +310,16 @@ struct HttpRequestTestCase {
   InitializeableArray<kj::StringPtr> requestBodyParts;
 
   Side side = BOTH;
+
+  // TODO(cleanup): Delete this constructor if/when we move to C++14.
+  HttpRequestTestCase(kj::StringPtr raw, HttpMethod method, kj::StringPtr path,
+                      InitializeableArray<HeaderTestCase> requestHeaders,
+                      kj::Maybe<uint64_t> requestBodySize,
+                      InitializeableArray<kj::StringPtr> requestBodyParts,
+                      Side side = BOTH)
+      : raw(raw), method(method), path(path), requestHeaders(kj::mv(requestHeaders)),
+        requestBodySize(requestBodySize), requestBodyParts(kj::mv(requestBodyParts)),
+        side(side) {}
 };
 
 struct HttpResponseTestCase {
@@ -324,6 +334,17 @@ struct HttpResponseTestCase {
   HttpMethod method = HttpMethod::GET;
 
   Side side = BOTH;
+
+  // TODO(cleanup): Delete this constructor if/when we move to C++14.
+  HttpResponseTestCase(kj::StringPtr raw, uint64_t statusCode, kj::StringPtr statusText,
+                       InitializeableArray<HeaderTestCase> responseHeaders,
+                       kj::Maybe<uint64_t> responseBodySize,
+                       InitializeableArray<kj::StringPtr> responseBodyParts,
+                       HttpMethod method = HttpMethod::GET,
+                       Side side = BOTH)
+      : raw(raw), statusCode(statusCode), statusText(statusText),
+        responseHeaders(kj::mv(responseHeaders)), responseBodySize(responseBodySize),
+        responseBodyParts(kj::mv(responseBodyParts)), method(method), side(side) {}
 };
 
 struct HttpTestCase {

c++/src/kj/compat/http.c++

@@ -1181,13 +1181,12 @@ struct FastCaseCmp;
 template <char first, char... rest>
 struct FastCaseCmp<first, rest...> {
   static constexpr bool apply(const char* actual) {
-    if ('a' <= first && first <= 'z') {
-      return (*actual | 0x20) == first && FastCaseCmp<rest...>::apply(actual + 1);
-    } else if ('A' <= first && first <= 'Z') {
-      return (*actual & ~0x20) == first && FastCaseCmp<rest...>::apply(actual + 1);
-    } else {
-      return *actual == first && FastCaseCmp<rest...>::apply(actual + 1);
-    }
+    return
+      'a' <= first && first <= 'z'
+        ? (*actual | 0x20) == first && FastCaseCmp<rest...>::apply(actual + 1)
+      : 'A' <= first && first <= 'Z'
+        ? (*actual & ~0x20) == first && FastCaseCmp<rest...>::apply(actual + 1)
+        : *actual == first && FastCaseCmp<rest...>::apply(actual + 1);
   }
 };