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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/bindings/parser/tests/test_nullable_equivalency.py
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/bindings/parser/tests/test_nullable_equivalency.py')
-rw-r--r--dom/bindings/parser/tests/test_nullable_equivalency.py115
1 files changed, 115 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_nullable_equivalency.py b/dom/bindings/parser/tests/test_nullable_equivalency.py
new file mode 100644
index 000000000..2b48b615d
--- /dev/null
+++ b/dom/bindings/parser/tests/test_nullable_equivalency.py
@@ -0,0 +1,115 @@
+import WebIDL
+
+def WebIDLTest(parser, harness):
+ parser.parse("""
+ interface TestNullableEquivalency1 {
+ attribute long a;
+ attribute long? b;
+ };
+
+ interface TestNullableEquivalency2 {
+ attribute ArrayBuffer a;
+ attribute ArrayBuffer? b;
+ };
+
+ /* Can't have dictionary-valued attributes, so can't test that here */
+
+ enum TestNullableEquivalency4Enum {
+ "Foo",
+ "Bar"
+ };
+
+ interface TestNullableEquivalency4 {
+ attribute TestNullableEquivalency4Enum a;
+ attribute TestNullableEquivalency4Enum? b;
+ };
+
+ interface TestNullableEquivalency5 {
+ attribute TestNullableEquivalency4 a;
+ attribute TestNullableEquivalency4? b;
+ };
+
+ interface TestNullableEquivalency6 {
+ attribute boolean a;
+ attribute boolean? b;
+ };
+
+ interface TestNullableEquivalency7 {
+ attribute DOMString a;
+ attribute DOMString? b;
+ };
+
+ interface TestNullableEquivalency8 {
+ attribute float a;
+ attribute float? b;
+ };
+
+ interface TestNullableEquivalency9 {
+ attribute double a;
+ attribute double? b;
+ };
+
+ interface TestNullableEquivalency10 {
+ attribute object a;
+ attribute object? b;
+ };
+ """)
+
+ for decl in parser.finish():
+ if decl.isInterface():
+ checkEquivalent(decl, harness)
+
+def checkEquivalent(iface, harness):
+ type1 = iface.members[0].type
+ type2 = iface.members[1].type
+
+ harness.check(type1.nullable(), False, 'attr1 should not be nullable')
+ harness.check(type2.nullable(), True, 'attr2 should be nullable')
+
+ # We don't know about type1, but type2, the nullable type, definitely
+ # shouldn't be builtin.
+ harness.check(type2.builtin, False, 'attr2 should not be builtin')
+
+ # Ensure that all attributes of type2 match those in type1, except for:
+ # - names on an ignore list,
+ # - names beginning with '_',
+ # - functions which throw when called with no args, and
+ # - class-level non-callables ("static variables").
+ #
+ # Yes, this is an ugly, fragile hack. But it finds bugs...
+ for attr in dir(type1):
+ if attr.startswith('_') or \
+ attr in ['nullable', 'builtin', 'filename', 'location',
+ 'inner', 'QName', 'getDeps', 'name'] or \
+ (hasattr(type(type1), attr) and not callable(getattr(type1, attr))):
+ continue
+
+ a1 = getattr(type1, attr)
+
+ if callable(a1):
+ try:
+ v1 = a1()
+ except:
+ # Can't call a1 with no args, so skip this attriute.
+ continue
+
+ try:
+ a2 = getattr(type2, attr)
+ except:
+ harness.ok(False, 'Missing %s attribute on type %s in %s' % (attr, type2, iface))
+ continue
+
+ if not callable(a2):
+ harness.ok(False, "%s attribute on type %s in %s wasn't callable" % (attr, type2, iface))
+ continue
+
+ v2 = a2()
+ harness.check(v2, v1, '%s method return value' % attr)
+ else:
+ try:
+ a2 = getattr(type2, attr)
+ except:
+ harness.ok(False, 'Missing %s attribute on type %s in %s' % (attr, type2, iface))
+ continue
+
+ harness.check(a2, a1, '%s attribute should match' % attr)