1""" 2Test lldb data formatter subsystem. 3""" 4 5 6import lldb 7from lldbsuite.test.decorators import * 8from lldbsuite.test.lldbtest import * 9from lldbsuite.test import lldbutil 10 11 12class PrintArrayTestCase(TestBase): 13 def test_print_array(self): 14 """Test that expr -Z works""" 15 self.build() 16 self.printarray_data_formatter_commands() 17 18 def setUp(self): 19 # Call super's setUp(). 20 TestBase.setUp(self) 21 # Find the line number to break at. 22 self.line = line_number("main.cpp", "break here") 23 24 def printarray_data_formatter_commands(self): 25 """Test that expr -Z works""" 26 self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) 27 28 lldbutil.run_break_set_by_file_and_line( 29 self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True 30 ) 31 32 self.runCmd("run", RUN_SUCCEEDED) 33 34 # The stop reason of the thread should be breakpoint. 35 self.expect( 36 "thread list", 37 STOPPED_DUE_TO_BREAKPOINT, 38 substrs=["stopped", "stop reason = breakpoint"], 39 ) 40 41 # This is the function to remove the custom formats in order to have a 42 # clean slate for the next test case. 43 def cleanup(): 44 self.runCmd("type format clear", check=False) 45 self.runCmd("type summary clear", check=False) 46 self.runCmd("type synth clear", check=False) 47 48 # Execute the cleanup function during test case tear down. 49 self.addTearDownHook(cleanup) 50 51 self.expect( 52 "expr --element-count 3 -- data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"] 53 ) 54 self.expect("expr data", substrs=["int *", "$", "0x"]) 55 self.expect( 56 "expr -f binary --element-count 0 -- data", substrs=["int *", "$", "0b"] 57 ) 58 self.expect( 59 "expr -f hex --element-count 3 -- data", 60 substrs=["[0] = 0x", "1", "[1] = 0x", "3", "[2] = 0x", "5"], 61 ) 62 self.expect( 63 "expr -f binary --element-count 2 -- data", 64 substrs=["int *", "$", "0x", "[0] = 0b", "1", "[1] = 0b", "11"], 65 ) 66 self.expect("parray 3 data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"]) 67 self.expect( 68 "parray `1 + 1 + 1` data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"] 69 ) 70 self.expect("parray `data[1]` data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"]) 71 self.expect( 72 "parray/x 3 data", 73 substrs=["[0] = 0x", "1", "[1] = 0x", "3", "[2] = 0x", "5"], 74 ) 75 self.expect( 76 "parray/x `data[1]` data", 77 substrs=["[0] = 0x", "1", "[1] = 0x", "3", "[2] = 0x", "5"], 78 ) 79 80 # check error conditions 81 self.expect( 82 "expr --element-count 10 -- 123", 83 error=True, 84 substrs=[ 85 "expression cannot be used with --element-count as it does not refer to a pointer" 86 ], 87 ) 88 self.expect( 89 "expr --element-count 10 -- (void*)123", 90 error=True, 91 substrs=[ 92 "expression cannot be used with --element-count as it refers to a pointer to void" 93 ], 94 ) 95 self.expect("parray data", error=True, substrs=["invalid element count 'data'"]) 96 self.expect( 97 "parray data data", error=True, substrs=["invalid element count 'data'"] 98 ) 99 self.expect("parray", error=True, substrs=["Not enough arguments provided"]) 100