Track printer installations for each configuration.

chrome/browser/chromeos/printing/printers_manager_unittest.cc

Index: chrome/browser/chromeos/printing/printers_manager_unittest.cc
diff --git a/chrome/browser/chromeos/printing/printers_manager_unittest.cc b/chrome/browser/chromeos/printing/printers_manager_unittest.cc
index cf874e327f3943396d72eaf559de6c34f961cc5b..5a2051dfd434ba7cea061dbed48cd52ccaacad3f 100644
--- a/chrome/browser/chromeos/printing/printers_manager_unittest.cc
+++ b/chrome/browser/chromeos/printing/printers_manager_unittest.cc
@@ -12,6 +12,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/optional.h"
 #include "base/run_loop.h"
+#include "base/time/time.h"
 #include "chrome/browser/chromeos/printing/printers_manager_factory.h"
 #include "chrome/browser/chromeos/printing/printers_sync_bridge.h"
 #include "chrome/common/pref_names.h"
@@ -225,4 +226,23 @@ TEST_F(PrintersManagerTest, GetRecommendedPrinter) {
   EXPECT_EQ(Printer::Source::SRC_POLICY, from_list.source());
 }
 
+TEST_F(PrintersManagerTest, PrinterNotInstalled) {
+  Printer printer(kPrinterId, base::Time::FromJavaTime(1000));
+  EXPECT_FALSE(manager_->IsConfigurationCurrent(printer));
+}
+
+TEST_F(PrintersManagerTest, PrinterIsInstalled) {
+  Printer printer(kPrinterId, base::Time::FromJavaTime(1000));
+  manager_->PrinterInstalled(printer);
+  EXPECT_TRUE(manager_->IsConfigurationCurrent(printer));
+}
+
+TEST_F(PrintersManagerTest, UpdatedPrinterConfiguration) {
+  Printer printer(kPrinterId, base::Time::FromJavaTime(1000));
+  manager_->PrinterInstalled(printer);
+
+  Printer updated_printer(kPrinterId, base::Time::FromJavaTime(2000));
+  EXPECT_FALSE(manager_->IsConfigurationCurrent(updated_printer));
+}
+
 }  // namespace chromeos