зеркало из https://github.com/mozilla/gecko-dev.git
453 строки
9.4 KiB
Python
453 строки
9.4 KiB
Python
import unittest
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from StringIO import StringIO
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import os
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import sys
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import os.path
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sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
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from Preprocessor import Preprocessor
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class NamedIO(StringIO):
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def __init__(self, name, content):
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self.name = name
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StringIO.__init__(self, content)
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class TestPreprocessor(unittest.TestCase):
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"""
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Unit tests for the Context class
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"""
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def setUp(self):
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self.pp = Preprocessor()
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self.pp.out = StringIO()
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def test_conditional_if_0(self):
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f = NamedIO("conditional_if_0.in", """#if 0
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FAIL
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#else
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PASS
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#endif
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""")
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_string_value(self):
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f = NamedIO("string_value.in", """#define FOO STRING
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#if FOO
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string value is true
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#else
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string value is false
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#endif
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""")
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "string value is false\n")
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def test_number_value(self):
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f = NamedIO("string_value.in", """#define FOO 1
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#if FOO
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number value is true
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#else
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number value is false
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#endif
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""")
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "number value is true\n")
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def test_conditional_if_0_elif_1(self):
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f = NamedIO('conditional_if_0_elif_1.in', '''#if 0
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#elif 1
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_conditional_if_1(self):
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f = NamedIO('conditional_if_1.in', '''#if 1
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PASS
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#else
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FAILE
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_conditional_if_1_elif_1_else(self):
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f = NamedIO('conditional_if_1_elif_1_else.in', '''#if 1
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PASS
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#elif 1
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FAIL
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_conditional_if_1_if_1(self):
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f = NamedIO('conditional_if_1_if_1.in', '''#if 1
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#if 1
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PASS
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#else
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FAIL
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#endif
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_conditional_not_0(self):
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f = NamedIO('conditional_not_0.in', '''#if !0
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_conditional_not_1(self):
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f = NamedIO('conditional_not_1.in', '''#if !1
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FAIL
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#else
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PASS
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_conditional_not_emptyval(self):
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f = NamedIO('conditional_not_emptyval.in', '''#define EMPTYVAL
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#if !EMPTYVAL
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FAIL
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#else
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PASS
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#endif
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#if EMPTYVAL
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\nPASS\n")
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def test_conditional_not_nullval(self):
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f = NamedIO('conditional_not_nullval.in', '''#define NULLVAL 0
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#if !NULLVAL
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_expand(self):
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f = NamedIO('expand.in', '''#define ASVAR AS
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#expand P__ASVAR__S
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_undef_defined(self):
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f = NamedIO('undef_defined.in', '''#define BAR
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#undef BAR
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BAR
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "BAR\n")
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def test_undef_undefined(self):
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f = NamedIO('undef_undefined.in', '''#undef VAR
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "")
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def test_filter_attemptSubstitution(self):
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f = NamedIO('filter_attemptSubstitution.in', '''#filter attemptSubstitution
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P@VAR@ASS
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#unfilter attemptSubstitution
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_filter_emptyLines(self):
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f = NamedIO('filter_emptyLines.in', '''lines with a
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blank line
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#filter emptyLines
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lines with
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no blank lines
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#unfilter emptyLines
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yet more lines with
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blank lines
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), '''lines with a
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blank line
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lines with
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no blank lines
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yet more lines with
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blank lines
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''')
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def test_filter_slashslash(self):
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f = NamedIO('filter_slashslash.in', '''#filter slashslash
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PASS//FAIL // FAIL
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#unfilter slashslash
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PASS // PASS
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\nPASS // PASS\n")
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def test_filter_spaces(self):
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f = NamedIO('filter_spaces.in', '''#filter spaces
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You should see two nice ascii tables
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+-+-+-+
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+-+-+-+
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#unfilter spaces
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+-+---+
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+-+---+
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), """You should see two nice ascii tables
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+-+-+-+
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+-+-+-+
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+-+---+
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+-+---+
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""")
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def test_filter_substitution(self):
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f = NamedIO('filter_substitution.in', '''#define VAR ASS
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#filter substitution
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P@VAR@
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#unfilter substitution
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_error(self):
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f = NamedIO('error.in', '''#error spit this message out
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''')
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caught_msg = None
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try:
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self.pp.do_include(f)
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except Preprocessor.Error, e:
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caught_msg = e.args[0][-1]
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self.assertEqual(caught_msg, 'spit this message out')
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def test_javascript_line(self):
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f = NamedIO('javascript_line.js.in', '''// Line 1
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#if 0
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// line 3
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#endif
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// line 5
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# comment
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// line 7
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// line 8
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// line 9
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# another comment
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// line 11
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#define LINE 1
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// line 13, given line number overwritten with 2
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''')
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self.pp.do_include(f)
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out = """// Line 1
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//@line 5 "CWDjavascript_line.js.in"
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// line 5
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//@line 7 "CWDjavascript_line.js.in"
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// line 7
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// line 8
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// line 9
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//@line 11 "CWDjavascript_line.js.in"
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// line 11
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//@line 2 "CWDjavascript_line.js.in"
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// line 13, given line number overwritten with 2
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"""
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out = out.replace('CWD', os.getcwd() + os.path.sep)
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self.assertEqual(self.pp.out.getvalue(), out)
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def test_literal(self):
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f = NamedIO('literal.in', '''#literal PASS
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_directory(self):
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f = NamedIO('var_directory.in', '''#ifdef DIRECTORY
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_file(self):
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f = NamedIO('var_file.in', '''#ifdef FILE
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_if_0(self):
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f = NamedIO('var_if_0.in', '''#define VAR 0
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#if VAR
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FAIL
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#else
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PASS
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_if_0_elifdef(self):
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f = NamedIO('var_if_0_elifdef.in', '''#if 0
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#elifdef FILE
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_if_0_elifndef(self):
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f = NamedIO('var_if_0_elifndef.in', '''#if 0
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#elifndef VAR
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_ifdef_0(self):
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f = NamedIO('var_ifdef_0.in', '''#define VAR 0
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#ifdef VAR
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_ifdef_undef(self):
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f = NamedIO('var_ifdef_undef.in', '''#define VAR 0
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#undef VAR
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#ifdef VAR
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FAIL
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#else
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PASS
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_ifndef_0(self):
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f = NamedIO('var_ifndef_0.in', '''#define VAR 0
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#ifndef VAR
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FAIL
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#else
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PASS
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_ifndef_undef(self):
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f = NamedIO('var_ifndef_undef.in', '''#define VAR 0
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#undef VAR
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#ifndef VAR
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_var_line(self):
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f = NamedIO('var_line.in', '''#ifdef LINE
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PASS
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#else
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FAIL
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#endif
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''')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "PASS\n")
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def test_lineEndings(self):
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f = NamedIO('lineEndings.in', '''first
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#literal second
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''')
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self.pp.setLineEndings('cr')
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "first\rsecond\r")
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def test_number_value_equals(self):
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f = NamedIO("number_value_equals.in", """#define FOO 1000
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#if FOO == 1000
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number value is equal
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#else
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number value is not equal
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#endif
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""")
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "number value is equal\n")
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def test_number_value_equals_defines(self):
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f = NamedIO("number_value_equals_defines.in", """#if FOO == 1000
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number value is equal
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#else
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number value is not equal
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#endif
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""")
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self.pp.handleCommandLine(["-DFOO=1000"])
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "number value is equal\n")
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def test_octal_value_equals(self):
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f = NamedIO("octal_value_equals.in", """#define FOO 0100
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#if FOO == 0100
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octal value is equal
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#else
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octal value is not equal
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#endif
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""")
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "octal value is equal\n")
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def test_octal_value_equals_defines(self):
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f = NamedIO("octal_value_equals_defines.in", """#if FOO == 0100
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octal value is equal
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#else
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octal value is not equal
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#endif
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""")
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self.pp.handleCommandLine(["-DFOO=0100"])
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self.pp.do_include(f)
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self.assertEqual(self.pp.out.getvalue(), "octal value is equal\n")
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if __name__ == '__main__':
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unittest.main()
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