Fetch API: Stop lowercasing header names.

third_party/WebKit/Source/modules/fetch/FetchHeaderListTest.cpp

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "modules/fetch/FetchHeaderList.h"
+
+#include <utility>
+#include "testing/gtest/include/gtest/gtest.h"
+#include "wtf/StdLibExtras.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+namespace {
+
+TEST(FetchHeaderListTest, Append) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("CONTENT-type", "foo");
+  headerList->append("X-Foo", "bar");
+  const std::pair<String, String> expectedHeaders[] = {
+      std::make_pair("ConTenT-TyPe", "text/plain"),
+      std::make_pair("ConTenT-TyPe", "application/xml"),
+      std::make_pair("ConTenT-TyPe", "foo"), std::make_pair("X-Foo", "bar"),
+  };
+  EXPECT_EQ(WTF_ARRAY_LENGTH(expectedHeaders), headerList->size());
+  size_t i = 0;
+  for (const auto& header : headerList->list()) {
+    EXPECT_EQ(expectedHeaders[i].first, header.first);
+    EXPECT_EQ(expectedHeaders[i].second, header.second);
+    ++i;
+  }
+}
+
+TEST(FetchHeaderListTest, Set) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("CONTENT-type", "foo");
+  headerList->append("X-Foo", "bar");
+  headerList->set("contENT-type", "quux");
+  headerList->set("some-header", "some value");
+  EXPECT_EQ(3U, headerList->size());
+  const std::pair<String, String> expectedHeaders[] = {
+      std::make_pair("ConTenT-TyPe", "quux"),
+      std::make_pair("some-header", "some value"),
+      std::make_pair("X-Foo", "bar"),
+  };
+  EXPECT_EQ(WTF_ARRAY_LENGTH(expectedHeaders), headerList->size());
+  size_t i = 0;
+  for (const auto& header : headerList->list()) {
+    EXPECT_EQ(expectedHeaders[i].first, header.first);
+    EXPECT_EQ(expectedHeaders[i].second, header.second);
+    ++i;
+  }
+}
+
+TEST(FetchHeaderListTest, Erase) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  headerList->remove("foo");
+  EXPECT_EQ(0U, headerList->size());
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("CONTENT-type", "foo");
+  headerList->append("X-Foo", "bar");
+  headerList->remove("content-TYPE");
+  EXPECT_EQ(1U, headerList->size());
+  const std::pair<String, String> expectedHeaders[] = {
+      std::make_pair("X-Foo", "bar"),
+  };
+  EXPECT_EQ(WTF_ARRAY_LENGTH(expectedHeaders), headerList->size());
+  size_t i = 0;
+  for (const auto& header : headerList->list()) {
+    EXPECT_EQ(expectedHeaders[i].first, header.first);
+    EXPECT_EQ(expectedHeaders[i].second, header.second);
+    ++i;
+  }
+}
+
+TEST(FetchHeaderListTest, Combine) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("CONTENT-type", "foo");
+  headerList->append("X-Foo", "bar");
+  String combinedValue;
+  EXPECT_TRUE(headerList->get("X-Foo", combinedValue));
+  EXPECT_EQ("bar", combinedValue);
+  EXPECT_TRUE(headerList->get("content-TYPE", combinedValue));
+  EXPECT_EQ("text/plain,application/xml,foo", combinedValue);
+}
+
+// This is going to be removed: see crbug.com/645492.
+TEST(FetchHeaderListTest, GetAll) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("CONTENT-type", "foo");
+  headerList->append("X-Foo", "bar");
+  Vector<String> combinedValues;
+  headerList->getAll("content-TYPE", combinedValues);
+  EXPECT_EQ(Vector<String>({"text/plain", "application/xml", "foo"}),
+            combinedValues);
+  headerList->getAll("x-foo", combinedValues);
+  EXPECT_EQ(Vector<String>({"bar"}), combinedValues);
+  headerList->getAll("Host", combinedValues);
+  EXPECT_TRUE(combinedValues.isEmpty());
+}
+
+TEST(FetchHeaderListTest, Contains) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("X-Foo", "bar");
+  EXPECT_TRUE(headerList->has("CONTENT-TYPE"));
+  EXPECT_TRUE(headerList->has("X-Foo"));
+  EXPECT_FALSE(headerList->has("X-Bar"));
+}
+
+TEST(FetchHeaderListTest, ContainsNonSimpleHeader) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  EXPECT_FALSE(headerList->containsNonSimpleHeader());
+
+  headerList->append("Host", "foobar");
+  headerList->append("X-Foo", "bar");
+  EXPECT_TRUE(headerList->containsNonSimpleHeader());
+
+  headerList->clearList();
+  headerList->append("ConTenT-TyPe", "text/plain");
+  headerList->append("content-type", "application/xml");
+  headerList->append("X-Foo", "bar");
+  EXPECT_TRUE(headerList->containsNonSimpleHeader());
+
+  headerList->clearList();
+  headerList->append("ConTenT-TyPe", "multipart/form-data");
+  headerList->append("Accept", "xyz");
+  EXPECT_FALSE(headerList->containsNonSimpleHeader());
+}
+
+TEST(FetchHeaderListTest, SortAndCombine) {
+  FetchHeaderList* headerList = FetchHeaderList::create();
+  EXPECT_TRUE(headerList->sortAndCombine().isEmpty());
+  headerList->append("content-type", "multipart/form-data");
+  headerList->append("ConTenT-TyPe", "application/xml");
+  headerList->append("Accept", "XYZ");
+  headerList->append("X-Foo", "bar");
+  const std::pair<String, String> expectedHeaders[] = {
+      std::make_pair("accept", "XYZ"),
+      std::make_pair("content-type", "multipart/form-data,application/xml"),
+      std::make_pair("x-foo", "bar")};
+  const Vector<FetchHeaderList::Header> sortedAndCombined =
+      headerList->sortAndCombine();
+  EXPECT_EQ(WTF_ARRAY_LENGTH(expectedHeaders), sortedAndCombined.size());
+  size_t i = 0;
+  for (const auto& headerPair : headerList->sortAndCombine()) {
+    EXPECT_EQ(expectedHeaders[i].first, headerPair.first);
+    EXPECT_EQ(expectedHeaders[i].second, headerPair.second);
+    ++i;
+  }
+}
+
+}  // namespace
+}  // namespace blink