зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.5 KiB
Python
116 строки
3.5 KiB
Python
import WebIDL
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def WebIDLTest(parser, harness):
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parser.parse("""
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interface TestNullableEquivalency1 {
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attribute long a;
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attribute long? b;
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};
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interface TestNullableEquivalency2 {
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attribute ArrayBuffer a;
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attribute ArrayBuffer? b;
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};
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/* Can't have dictionary-valued attributes, so can't test that here */
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enum TestNullableEquivalency4Enum {
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"Foo",
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"Bar"
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};
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interface TestNullableEquivalency4 {
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attribute TestNullableEquivalency4Enum a;
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attribute TestNullableEquivalency4Enum? b;
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};
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interface TestNullableEquivalency5 {
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attribute TestNullableEquivalency4 a;
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attribute TestNullableEquivalency4? b;
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};
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interface TestNullableEquivalency6 {
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attribute boolean a;
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attribute boolean? b;
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};
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interface TestNullableEquivalency7 {
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attribute DOMString a;
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attribute DOMString? b;
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};
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interface TestNullableEquivalency8 {
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attribute float a;
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attribute float? b;
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};
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interface TestNullableEquivalency9 {
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attribute double a;
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attribute double? b;
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};
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interface TestNullableEquivalency10 {
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attribute object a;
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attribute object? b;
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};
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""")
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for decl in parser.finish():
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if decl.isInterface():
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checkEquivalent(decl, harness)
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def checkEquivalent(iface, harness):
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type1 = iface.members[0].type
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type2 = iface.members[1].type
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harness.check(type1.nullable(), False, 'attr1 should not be nullable')
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harness.check(type2.nullable(), True, 'attr2 should be nullable')
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# We don't know about type1, but type2, the nullable type, definitely
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# shouldn't be builtin.
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harness.check(type2.builtin, False, 'attr2 should not be builtin')
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# Ensure that all attributes of type2 match those in type1, except for:
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# - names on an ignore list,
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# - names beginning with '_',
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# - functions which throw when called with no args, and
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# - class-level non-callables ("static variables").
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#
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# Yes, this is an ugly, fragile hack. But it finds bugs...
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for attr in dir(type1):
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if attr.startswith('_') or \
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attr in ['nullable', 'builtin', 'filename', 'location',
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'inner', 'QName', 'getDeps', 'name'] or \
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(hasattr(type(type1), attr) and not callable(getattr(type1, attr))):
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continue
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a1 = getattr(type1, attr)
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if callable(a1):
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try:
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v1 = a1()
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except:
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# Can't call a1 with no args, so skip this attriute.
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continue
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try:
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a2 = getattr(type2, attr)
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except:
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harness.ok(False, 'Missing %s attribute on type %s in %s' % (attr, type2, iface))
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continue
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if not callable(a2):
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harness.ok(False, "%s attribute on type %s in %s wasn't callable" % (attr, type2, iface))
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continue
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v2 = a2()
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harness.check(v2, v1, '%s method return value' % attr)
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else:
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try:
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a2 = getattr(type2, attr)
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except:
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harness.ok(False, 'Missing %s attribute on type %s in %s' % (attr, type2, iface))
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continue
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harness.check(a2, a1, '%s attribute should match' % attr)
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