vendor/lldb/lldb-trunk-r290819

1 files changed, 97 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/TestWatchpointMultipleSlots.py b/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/TestWatchpointMultipleSlots.py
new file mode 100644
index 000000000000..2e58cb893b73
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/TestWatchpointMultipleSlots.py
@@ -0,0 +1,97 @@
+"""
+Test watchpoint slots we should not be able to install multiple watchpoints
+within same word boundary. We should be able to install individual watchpoints
+on any of the bytes, half-word, or word. This is only for ARM/AArch64 targets.
+"""
+
+from __future__ import print_function
+
+import os
+import time
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class WatchpointSlotsTestCase(TestBase):
+    NO_DEBUG_INFO_TESTCASE = True
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+        # Source filename.
+        self.source = 'main.c'
+
+        # Output filename.
+        self.exe_name = 'a.out'
+        self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name}
+
+    # Watchpoints not supported
+    @expectedFailureAndroid(archs=['arm', 'aarch64'])
+    # This is a arm and aarch64 specific test case. No other architectures tested.
+    @skipIf(archs=no_match(['arm', 'aarch64']))
+    def test_multiple_watchpoints_on_same_word(self):
+
+        self.build(dictionary=self.d)
+        self.setTearDownCleanup(dictionary=self.d)
+
+        exe = os.path.join(os.getcwd(), self.exe_name)
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Detect line number after which we are going to increment arrayName.
+        loc_line = line_number('main.c', '// About to write byteArray')
+
+        # Set a breakpoint on the line detected above.
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.c", loc_line, num_expected_locations=1, loc_exact=True)
+
+        # Run the program.
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                     substrs=['stopped', 'stop reason = breakpoint'])
+
+        # Delete breakpoint we just hit.
+        self.expect("breakpoint delete 1", substrs=['1 breakpoints deleted'])
+
+        # Set a watchpoint at byteArray[0]
+        self.expect("watchpoint set variable byteArray[0]", WATCHPOINT_CREATED,
+                    substrs=['Watchpoint created','size = 1'])
+
+        # Use the '-v' option to do verbose listing of the watchpoint.
+        # The hit count should be 0 initially.
+        self.expect("watchpoint list -v 1", substrs=['hit_count = 0'])
+
+        # Try setting a watchpoint at byteArray[1]
+        self.expect("watchpoint set variable byteArray[1]", error=True,
+                    substrs=['Watchpoint creation failed'])
+
+        self.runCmd("process continue")
+
+        # We should be stopped due to the watchpoint.
+        # The stop reason of the thread should be watchpoint.
+        self.expect("thread list", STOPPED_DUE_TO_WATCHPOINT,
+                    substrs=['stopped', 'stop reason = watchpoint 1'])
+
+        # Delete the watchpoint we hit above successfully.
+        self.expect("watchpoint delete 1", substrs=['1 watchpoints deleted'])
+
+        # Set a watchpoint at byteArray[3]
+        self.expect("watchpoint set variable byteArray[3]", WATCHPOINT_CREATED,
+                    substrs=['Watchpoint created','size = 1'])
+   
+        # Resume inferior.
+        self.runCmd("process continue")
+
+        # We should be stopped due to the watchpoint.
+        # The stop reason of the thread should be watchpoint.
+        self.expect("thread list -v", STOPPED_DUE_TO_WATCHPOINT,
+                    substrs=['stopped', 'stop reason = watchpoint 3'])
+   
+        # Resume inferior.
+        self.runCmd("process continue")