text: """Test the SBEnvironment APIs."""
  
  
  
  from math import fabs
  import lldb
  from lldbsuite.test.decorators import *
  from lldbsuite.test.lldbtest import *
  from lldbsuite.test import lldbutil
  
  class SBEnvironmentAPICase(TestBase):
  
      mydir = TestBase.compute_mydir(__file__)
      NO_DEBUG_INFO_TESTCASE = True
  
      # We use this function to test both kind of accessors:
      # .  Get*AtIndex and GetEntries
      def assertEqualEntries(self, env, entries):
          self.assertEqual(env.GetNumValues(), len(entries))
          for i in range(env.GetNumValues()):
              name = env.GetNameAtIndex(i)
              value = env.GetValueAtIndex(i)
              self.assertIn(name + "=" + value, entries)
  
          entries = env.GetEntries()
          self.assertEqual(entries.GetSize(), len(entries))
          for i in range(entries.GetSize()):
              (name, value) = entries.GetStringAtIndex(i).split("=")
              self.assertIn(name + "=" + value, entries)
  
  
  
      @skipIfRemote # Remote environment not supported.
      def test_platform_environment(self):
          env = self.dbg.GetSelectedPlatform().GetEnvironment()
          # We assume at least PATH is set
          self.assertNotEqual(env.Get("PATH"), None)
  
  
      def test_launch_info(self):
          target = self.dbg.CreateTarget("")
          launch_info = target.GetLaunchInfo()
          env = launch_info.GetEnvironment()
          env_count = env.GetNumValues()
  
          env.Set("FOO", "bar", overwrite=True)
          self.assertEqual(env.GetNumValues(), env_count + 1)
  
          # Make sure we only modify the copy of the launchInfo's environment
          self.assertEqual(launch_info.GetEnvironment().GetNumValues(), env_count)
  
          launch_info.SetEnvironment(env, append=True)
          self.assertEqual(launch_info.GetEnvironment().GetNumValues(), env_count + 1)
  
          env.Set("FOO", "baz", overwrite=True)
          launch_info.SetEnvironment(env, append=True)
          self.assertEqual(launch_info.GetEnvironment().GetNumValues(), env_count + 1)
          self.assertEqual(launch_info.GetEnvironment().Get("FOO"), "baz")
  
          # Make sure we can replace the launchInfo's environment
          env.Clear()
          env.Set("BAR", "foo", overwrite=True)
          env.PutEntry("X=y")
          launch_info.SetEnvironment(env, append=False)
          self.assertEqualEntries(launch_info.GetEnvironment(), ["BAR=foo", "X=y"])
  
  
      @skipIfRemote # Remote environment not supported.
      def test_target_environment(self):
          env = self.dbg.GetSelectedTarget().GetEnvironment()
          # There is no target, so env should be empty
          self.assertEqual(env.GetNumValues(), 0)
          self.assertEqual(env.Get("PATH"), None)
  
          target = self.dbg.CreateTarget("")
          env = target.GetEnvironment()
          path = env.Get("PATH")
          # Now there's a target, so at least PATH should exist
          self.assertNotEqual(path, None)
  
          # Make sure we are getting a copy by modifying the env we just got
          env.PutEntry("PATH=#" + path)
          self.assertEqual(target.GetEnvironment().Get("PATH"), path)
  
      def test_creating_and_modifying_environment(self):
          env = lldb.SBEnvironment()
  
          self.assertEqual(env.Get("FOO"), None)
          self.assertEqual(env.Get("BAR"), None)
  
          # We also test empty values
          self.assertTrue(env.Set("FOO", "", overwrite=False))
          env.Set("BAR", "foo", overwrite=False)
  
          self.assertEqual(env.Get("FOO"), "")
          self.assertEqual(env.Get("BAR"), "foo")
  
          self.assertEqual(env.GetNumValues(), 2)
  
          self.assertEqualEntries(env, ["FOO=", "BAR=foo"])
  
          # Make sure modifications work
          self.assertFalse(env.Set("FOO", "bar", overwrite=False))
          self.assertEqual(env.Get("FOO"), "")
  
          env.PutEntry("FOO=bar")
          self.assertEqual(env.Get("FOO"), "bar")
  
          self.assertEqualEntries(env, ["FOO=bar", "BAR=foo"])
  
          # Make sure we can unset
          self.assertTrue(env.Unset("FOO"))
          self.assertFalse(env.Unset("FOO"))
          self.assertEqual(env.Get("FOO"), None)
  
          # Test SetEntries
          entries = lldb.SBStringList()
          entries.AppendList(["X=x", "Y=y"], 2)
  
          env.SetEntries(entries, append=True)
          self.assertEqualEntries(env, ["BAR=foo", "X=x", "Y=y"])
  
          env.SetEntries(entries, append=False)
          self.assertEqualEntries(env, ["X=x", "Y=y"])
  
          entries.Clear()
          entries.AppendList(["X=y", "Y=x"], 2)
          env.SetEntries(entries, append=True)
          self.assertEqualEntries(env, ["X=y", "Y=x"])
  
          # Test clear
          env.Clear()
          self.assertEqualEntries(env, [])
  