tools/gn/value_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "tools/gn/test_with_scope.h"
   7 #include "tools/gn/value.h"
   8
   9 TEST(Value, ToString) {
  10   Value strval(NULL, "hi\" $me\\you\\$\\\"");
  11   EXPECT_EQ("hi\" $me\\you\\$\\\"", strval.ToString(false));
  12   EXPECT_EQ("\"hi\\\" \\$me\\you\\\\\\$\\\\\\\"\"", strval.ToString(true));
  13
  14   // Void type.
  15   EXPECT_EQ("<void>", Value().ToString(false));
  16
  17   // Test lists, bools, and ints.
  18   Value listval(NULL, Value::LIST);
  19   listval.list_value().push_back(Value(NULL, "hi\"me"));
  20   listval.list_value().push_back(Value(NULL, true));
  21   listval.list_value().push_back(Value(NULL, false));
  22   listval.list_value().push_back(Value(NULL, static_cast<int64>(42)));
  23   // Printing lists always causes embedded strings to be quoted (ignoring the
  24   // quote flag), or else they wouldn't make much sense.
  25   EXPECT_EQ("[\"hi\\\"me\", true, false, 42]", listval.ToString(false));
  26   EXPECT_EQ("[\"hi\\\"me\", true, false, 42]", listval.ToString(true));
  27
  28   // Scopes.
  29   TestWithScope setup;
  30   Scope* scope = new Scope(setup.scope());
  31   Value scopeval(NULL, scoped_ptr<Scope>(scope));
  32   EXPECT_EQ("{ }", scopeval.ToString(false));
  33
  34   scope->SetValue("a", Value(NULL, static_cast<int64>(42)), NULL);
  35   scope->SetValue("b", Value(NULL, "hello, world"), NULL);
  36   EXPECT_EQ("{\n  a = 42\n  b = \"hello, world\"\n}", scopeval.ToString(false));
  37 }
  38