Fix various issues with `gn analyze`.

tools/gn/analyzer_unittest.cc

 // Copyright 2016 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 "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/analyzer.h"
 #include "tools/gn/build_settings.h"
 #include "tools/gn/builder.h"
 #include "tools/gn/loader.h"
 #include "tools/gn/settings.h"
@@ skipping 102 matching lines @@
 };
 
 }  // namespace
 
 // TODO: clean this up when raw string literals are allowed.
 
 TEST_F(AnalyzerTest, AllWasPruned) {
   RunBasicTest(
       "{"
       "  \"files\": [ \"//d/b.cc\" ],"
-      "  \"compile_targets\": [ \"all\" ],"
+      "  \"additional_compile_targets\": [ \"all\" ],"
       "  \"test_targets\": [ ]"
       "}",
       "{"
       "\"compile_targets\":[\"//d:b_unittests\",\"//d:c\"],"
       "\"status\":\"Found dependency\","
       "\"test_targets\":[]"
       "}");
 }
 
 TEST_F(AnalyzerTest, NoDependency) {
   RunBasicTest(
       "{"
       "  \"files\":[ \"//missing.cc\" ],"
-      "  \"compile_targets\": [ \"all\" ],"
+      "  \"additional_compile_targets\": [ \"all\" ],"
       "  \"test_targets\": [ \"//:a\" ]"
       "}",
       "{"
       "\"compile_targets\":[],"
       "\"status\":\"No dependency\","
       "\"test_targets\":[]"
       "}");
 }
 
 TEST_F(AnalyzerTest, NoFilesNoTargets) {
   RunBasicTest(
       "{"
       "  \"files\": [],"
-      "  \"compile_targets\": [],"
+      "  \"additional_compile_targets\": [],"
       "  \"test_targets\": []"
       "}",
       "{"
       "\"compile_targets\":[],"
       "\"status\":\"No dependency\","
       "\"test_targets\":[]"
       "}");
 }
 
 TEST_F(AnalyzerTest, OneTestTargetModified) {
   RunBasicTest(
       "{"
       "  \"files\": [ \"//a.cc\" ],"
-      "  \"compile_targets\": [],"
+      "  \"additional_compile_targets\": [],"
       "  \"test_targets\": [ \"//:a\" ]"
       "}",
       "{"
       "\"compile_targets\":[],"
       "\"status\":\"Found dependency\","
       "\"test_targets\":[\"//:a\"]"
       "}");
 }
+
+TEST_F(AnalyzerTest, FilesArentSourceAbsolute) {
+  RunBasicTest(
+      "{"
+      "  \"files\": [ \"a.cc\" ],"
+      "  \"additional_compile_targets\": [],"
+      "  \"test_targets\": [ \"//:a\" ]"
+      "}",
+      "{"
+      "\"error\":"
+      "\"\\\"a.cc\\\" is not a source-absolute or absolute path.\","
+      "\"invalid_targets\":[]"
+      "}");
+}
+
+TEST_F(AnalyzerTest, WrongInputFields) {
+  RunBasicTest(
+      "{"
+      "  \"files\": [ \"//a.cc\" ],"
+      "  \"compile_targets\": [],"
+      "  \"test_targets\": [ \"//:a\" ]"
+      "}",
+      "{"
+      "\"error\":"
+      "\"Input does not have a key named "
+      "\\\"additional_compile_targets\\\" with a list value.\","
+      "\"invalid_targets\":[]"
+      "}");
+}