Mercurial > lcfOS

annotate test/testbintools.py @ 377:9667d78ba79e

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Switched to xml for project description
author Windel Bouwman
date Fri, 11 Apr 2014 15:47:50 +0200
parents 86b02c98a717
children 6df89163e114
rev   line source
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1 import unittest
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2 import sys
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3 import io
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4 from ppci.target.arm.token import ArmToken
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5 from ppci.linker import Linker
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6 from ppci.objectfile import ObjectFile, serialize, deserialize, load_object
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7 from ppci import CompilerError
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8 from ppci.tasks import TaskRunner, TaskError
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9 from ppci.buildtasks import EmptyTask
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10
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11
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12 class TaskTestCase(unittest.TestCase):
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13 @unittest.skip('api change')
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14 def testCircular(self):
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15 t1 = EmptyTask('t1')
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16 t2 = EmptyTask('t2')
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17 t1.add_dependency(t2)
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18 with self.assertRaises(TaskError):
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19 t2.add_dependency(t1)
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20
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21 @unittest.skip('api change')
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22 def testCircularDeeper(self):
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23 t1 = EmptyTask('t1')
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24 t2 = EmptyTask('t2')
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25 t3 = EmptyTask('t3')
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26 t1.add_dependency(t2)
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27 t2.add_dependency(t3)
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28 with self.assertRaises(TaskError):
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29 t3.add_dependency(t1)
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30
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31 @unittest.skip('api change')
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32 def testSort(self):
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33 t1 = EmptyTask('t1')
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34 t2 = EmptyTask('t2')
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35 runner = TaskRunner()
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36 t1.add_dependency(t2)
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37 runner.add_task(t1)
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38 runner.add_task(t2)
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39 runner.run_tasks()
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41
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42 class TokenTestCase(unittest.TestCase):
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43 def testSetBits(self):
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44 at = ArmToken()
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45 at[2:4] = 0b11
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46 self.assertEqual(0xc, at.bit_value)
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47
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48 def testSetBits(self):
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49 at = ArmToken()
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50 at[4:8] = 0b1100
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51 self.assertEqual(0xc0, at.bit_value)
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52
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53
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54 class LinkerTestCase(unittest.TestCase):
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55 def testUndefinedReference(self):
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56 l = Linker()
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57 o1 = ObjectFile()
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58 o1.get_section('.text')
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59 o1.add_relocation('undefined_sym', 0, 'rel8', '.text')
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60 o2 = ObjectFile()
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61 with self.assertRaises(CompilerError):
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62 o3 = l.link([o1, o2])
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63
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64 def testDuplicateSymbol(self):
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65 l = Linker()
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66 o1 = ObjectFile()
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67 o1.get_section('.text')
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68 o1.add_symbol('a', 0, '.text')
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69 o2 = ObjectFile()
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70 o2.get_section('.text')
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71 o2.add_symbol('a', 0, '.text')
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72 with self.assertRaises(CompilerError):
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73 o3 = l.link([o1, o2])
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74
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75 def testRel8Relocation(self):
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76 l = Linker()
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77 o1 = ObjectFile()
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78 o1.get_section('.text').add_data(bytes([0]*100))
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79 o1.add_relocation('a', 0, 'rel8', '.text')
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80 o2 = ObjectFile()
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81 o2.get_section('.text').add_data(bytes([0]*100))
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82 o2.add_symbol('a', 24, '.text')
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83 o3 = l.link([o1, o2])
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84
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85 def testSymbolValues(self):
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86 l = Linker()
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87 o1 = ObjectFile()
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88 o1.get_section('.text').add_data(bytes([0]*108))
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89 o1.add_symbol('b', 24, '.text')
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90 o2 = ObjectFile()
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91 o2.get_section('.text').add_data(bytes([0]*100))
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92 o2.add_symbol('a', 2, '.text')
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93 o3 = l.link([o1, o2])
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94 self.assertEqual(110, o3.find_symbol('a').value)
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95 self.assertEqual(24, o3.find_symbol('b').value)
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96 self.assertEqual(208, o3.get_section('.text').Size)
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97
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98 def testMemoryLayout(self):
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99 l = Linker()
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100 memory_layout = {'.text': 0x08000000, '.data':0x20000000}
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101 o1 = ObjectFile()
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102 o1.get_section('.text').add_data(bytes([0]*108))
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103 o1.add_symbol('b', 24, '.text')
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104 o2 = ObjectFile()
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105 o2.get_section('.text').add_data(bytes([0]*100))
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106 o2.get_section('.data').add_data(bytes([0]*100))
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107 o2.add_symbol('a', 2, '.data')
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108 o2.add_symbol('c', 2, '.text')
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109 o3 = l.link([o1, o2], layout=memory_layout)
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110 self.assertEqual(0x20000000+2, o3.find_symbol('a').value)
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111 self.assertEqual(0x08000000+24, o3.find_symbol('b').value)
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112 self.assertEqual(0x08000000+110, o3.find_symbol('c').value)
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113 self.assertEqual(208, o3.get_section('.text').Size)
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114 self.assertEqual(100, o3.get_section('.data').Size)
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115
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116
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117 class ObjectFileTestCase(unittest.TestCase):
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118 def makeTwins(self):
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119 o1 = ObjectFile()
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120 o2 = ObjectFile()
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121 o2.get_section('code').add_data(bytes(range(55)))
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122 o1.get_section('code').add_data(bytes(range(55)))
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123 o1.add_relocation('A', 0x2, 'imm12_dumm', 'code')
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124 o2.add_relocation('A', 0x2, 'imm12_dumm', 'code')
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125 o1.add_symbol('A2', 0x90, 'code')
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126 o2.add_symbol('A2', 0x90, 'code')
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127 o1.add_symbol('A3', 0x90, 'code')
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128 o2.add_symbol('A3', 0x90, 'code')
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129 return o1, o2
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130
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131 def testEquality(self):
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132 o1, o2 = self.makeTwins()
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133 self.assertEqual(o1, o2)
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134
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135 def testSaveAndLoad(self):
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136 o1, o2 = self.makeTwins()
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137 f1 = io.StringIO()
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138 o1.save(f1)
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139 f2 = io.StringIO(f1.getvalue())
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140 o3 = load_object(f2)
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141 self.assertEqual(o3, o1)
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142
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143 def testSerialization(self):
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144 o1, o2 = self.makeTwins()
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145 o3 = deserialize(serialize(o1))
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146 self.assertEqual(o3, o1)
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147
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148
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149 if __name__ == '__main__':
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150 unittest.main()
d1ecc493384e Added spiffy armtoken class for bit fiddeling. Added cool test that checks for build repeatability
Windel Bouwman
parents:
diff changeset
151 sys.exit()