Add a testcase for .dSYM path remapping dictionaries.

rdar://problem/56924558

lldb/packages/Python/lldbsuite/test/macosx/DBGSourcePathRemapping/Inputs/main.c

@@ -0,0 +1,8 @@
+void stop() {}
+
+int main()
+{
+  stop();
+  // Hello World!
+  return 0;
+}

lldb/packages/Python/lldbsuite/test/macosx/DBGSourcePathRemapping/Makefile

@@ -0,0 +1,5 @@
+BOTDIR = $(BUILDDIR)/buildbot
+USERDIR = $(BUILDDIR)/user
+C_SOURCES = $(BOTDIR)/main.c
+
+include Makefile.rules

lldb/packages/Python/lldbsuite/test/macosx/DBGSourcePathRemapping/TestDSYMSourcePathRemapping.py

@@ -0,0 +1,56 @@
+import lldb
+from lldbsuite.test.decorators import *
+import lldbsuite.test.lldbtest as lldbtest
+import lldbsuite.test.lldbutil as lldbutil
+import os
+import unittest2
+
+
+class TestDSYMSourcePathRemapping(lldbtest.TestBase):
+
+    mydir = lldbtest.TestBase.compute_mydir(__file__)
+
+    def build(self):
+        botdir = self.getBuildArtifact('buildbot')
+        userdir = self.getBuildArtifact('user')
+        inputs = self.getSourcePath('Inputs')
+        lldbutil.mkdir_p(botdir)
+        lldbutil.mkdir_p(userdir)
+        import shutil
+        for f in ['main.c']:
+            shutil.copyfile(os.path.join(inputs, f), os.path.join(botdir, f))
+            shutil.copyfile(os.path.join(inputs, f), os.path.join(userdir, f))
+
+        super(TestDSYMSourcePathRemapping, self).build()
+
+        # Remove the build sources.
+        self.assertTrue(os.path.isdir(botdir))
+        shutil.rmtree(botdir)
+
+        # Create a plist.
+        import subprocess
+        dsym = self.getBuildArtifact('a.out.dSYM')
+        uuid = subprocess.check_output(["/usr/bin/dwarfdump", "--uuid", dsym]
+                                      ).decode("utf-8").split(" ")[1]
+        import re
+        self.assertTrue(re.match(r'[0-9a-fA-F-]+', uuid))
+        plist = os.path.join(dsym, 'Contents', 'Resources', uuid + '.plist')
+	with open(plist, 'w') as f:
+            f.write('<?xml version="1.0" encoding="UTF-8"?>\n')
+            f.write('<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n')
+	    f.write('<plist version="1.0">\n')
+	    f.write('<dict>\n')
+	    f.write('  <key>DBGSourcePathRemapping</key>\n')
+	    f.write('  <dict>\n')
+	    f.write('	 <key>' + botdir + '</key>\n')
+	    f.write('	 <string>' + userdir + '</string>\n')
+	    f.write('  </dict>\n')
+	    f.write('</dict>\n')
+	    f.write('</plist>\n')
+
+
+    @skipIf(debug_info=no_match("dsym"))
+    def test(self):
+        self.build()
+        lldbutil.run_to_name_breakpoint(self, 'main')
+        self.expect("source list", substrs=["Hello World"])