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-rw-r--r--dom/bindings/parser/tests/test_interface.py405
1 files changed, 405 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_interface.py b/dom/bindings/parser/tests/test_interface.py
new file mode 100644
index 000000000..e8ed67b54
--- /dev/null
+++ b/dom/bindings/parser/tests/test_interface.py
@@ -0,0 +1,405 @@
+import WebIDL
+
+def WebIDLTest(parser, harness):
+ parser.parse("interface Foo { };")
+ results = parser.finish()
+ harness.ok(True, "Empty interface parsed without error.")
+ harness.check(len(results), 1, "Should be one production")
+ harness.ok(isinstance(results[0], WebIDL.IDLInterface),
+ "Should be an IDLInterface")
+ iface = results[0]
+ harness.check(iface.identifier.QName(), "::Foo", "Interface has the right QName")
+ harness.check(iface.identifier.name, "Foo", "Interface has the right name")
+ harness.check(iface.parent, None, "Interface has no parent")
+
+ parser.parse("interface Bar : Foo { };")
+ results = parser.finish()
+ harness.ok(True, "Empty interface parsed without error.")
+ harness.check(len(results), 2, "Should be two productions")
+ harness.ok(isinstance(results[1], WebIDL.IDLInterface),
+ "Should be an IDLInterface")
+ iface = results[1]
+ harness.check(iface.identifier.QName(), "::Bar", "Interface has the right QName")
+ harness.check(iface.identifier.name, "Bar", "Interface has the right name")
+ harness.ok(isinstance(iface.parent, WebIDL.IDLInterface),
+ "Interface has a parent")
+
+ parser = parser.reset()
+ parser.parse("""
+ interface QNameBase {
+ attribute long foo;
+ };
+
+ interface QNameDerived : QNameBase {
+ attribute long long foo;
+ attribute byte bar;
+ };
+ """)
+ results = parser.finish()
+ harness.check(len(results), 2, "Should be two productions")
+ harness.ok(isinstance(results[0], WebIDL.IDLInterface),
+ "Should be an IDLInterface")
+ harness.ok(isinstance(results[1], WebIDL.IDLInterface),
+ "Should be an IDLInterface")
+ harness.check(results[1].parent, results[0], "Inheritance chain is right")
+ harness.check(len(results[0].members), 1, "Expect 1 productions")
+ harness.check(len(results[1].members), 2, "Expect 2 productions")
+ base = results[0]
+ derived = results[1]
+ harness.check(base.members[0].identifier.QName(), "::QNameBase::foo",
+ "Member has the right QName")
+ harness.check(derived.members[0].identifier.QName(), "::QNameDerived::foo",
+ "Member has the right QName")
+ harness.check(derived.members[1].identifier.QName(), "::QNameDerived::bar",
+ "Member has the right QName")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A : B {};
+ interface B : A {};
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow cycles in interface inheritance chains")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A : C {};
+ interface C : B {};
+ interface B : A {};
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow indirect cycles in interface inheritance chains")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A {};
+ interface B {};
+ A implements B;
+ B implements A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow cycles via implements")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A {};
+ interface C {};
+ interface B {};
+ A implements C;
+ C implements B;
+ B implements A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow indirect cycles via implements")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A : B {};
+ interface B {};
+ B implements A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow inheriting from an interface that implements us")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A : B {};
+ interface B {};
+ interface C {};
+ B implements C;
+ C implements A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow inheriting from an interface that indirectly implements us")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A : B {};
+ interface B : C {};
+ interface C {};
+ C implements A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow indirectly inheriting from an interface that implements us")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A : B {};
+ interface B : C {};
+ interface C {};
+ interface D {};
+ C implements D;
+ D implements A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow indirectly inheriting from an interface that indirectly implements us")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A;
+ interface B : A {};
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+
+ harness.ok(threw, "Should not allow inheriting from an interface that is only forward declared")
+
+ parser = parser.reset()
+ parser.parse("""
+ [Constructor(long arg)]
+ interface A {
+ readonly attribute boolean x;
+ void foo();
+ };
+ [Constructor]
+ partial interface A {
+ readonly attribute boolean y;
+ void foo(long arg);
+ };
+ """);
+ results = parser.finish();
+ harness.check(len(results), 2,
+ "Should have two results with partial interface")
+ iface = results[0]
+ harness.check(len(iface.members), 3,
+ "Should have three members with partial interface")
+ harness.check(iface.members[0].identifier.name, "x",
+ "First member should be x with partial interface")
+ harness.check(iface.members[1].identifier.name, "foo",
+ "Second member should be foo with partial interface")
+ harness.check(len(iface.members[1].signatures()), 2,
+ "Should have two foo signatures with partial interface")
+ harness.check(iface.members[2].identifier.name, "y",
+ "Third member should be y with partial interface")
+ harness.check(len(iface.ctor().signatures()), 2,
+ "Should have two constructors with partial interface")
+
+ parser = parser.reset()
+ parser.parse("""
+ [Constructor]
+ partial interface A {
+ readonly attribute boolean y;
+ void foo(long arg);
+ };
+ [Constructor(long arg)]
+ interface A {
+ readonly attribute boolean x;
+ void foo();
+ };
+ """);
+ results = parser.finish();
+ harness.check(len(results), 2,
+ "Should have two results with reversed partial interface")
+ iface = results[1]
+ harness.check(len(iface.members), 3,
+ "Should have three members with reversed partial interface")
+ harness.check(iface.members[0].identifier.name, "x",
+ "First member should be x with reversed partial interface")
+ harness.check(iface.members[1].identifier.name, "foo",
+ "Second member should be foo with reversed partial interface")
+ harness.check(len(iface.members[1].signatures()), 2,
+ "Should have two foo signatures with reversed partial interface")
+ harness.check(iface.members[2].identifier.name, "y",
+ "Third member should be y with reversed partial interface")
+ harness.check(len(iface.ctor().signatures()), 2,
+ "Should have two constructors with reversed partial interface")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A {
+ readonly attribute boolean x;
+ };
+ interface A {
+ readonly attribute boolean y;
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow two non-partial interfaces with the same name")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ partial interface A {
+ readonly attribute boolean x;
+ };
+ partial interface A {
+ readonly attribute boolean y;
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Must have a non-partial interface for a given name")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ dictionary A {
+ boolean x;
+ };
+ partial interface A {
+ readonly attribute boolean y;
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow a name collision between partial interface "
+ "and other object")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ dictionary A {
+ boolean x;
+ };
+ interface A {
+ readonly attribute boolean y;
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow a name collision between interface "
+ "and other object")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ dictionary A {
+ boolean x;
+ };
+ interface A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow a name collision between external interface "
+ "and other object")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface A {
+ readonly attribute boolean x;
+ };
+ interface A;
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow a name collision between external interface "
+ "and interface")
+
+ parser = parser.reset()
+ parser.parse("""
+ interface A;
+ interface A;
+ """)
+ results = parser.finish()
+ harness.ok(len(results) == 1 and
+ isinstance(results[0], WebIDL.IDLExternalInterface),
+ "Should allow name collisions between external interface "
+ "declarations")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ [SomeRandomAnnotation]
+ interface A {
+ readonly attribute boolean y;
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow unknown extended attributes on interfaces")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ interface B {};
+ [ArrayClass]
+ interface A : B {
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(threw,
+ "Should not allow [ArrayClass] on interfaces with parents")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse("""
+ [ArrayClass]
+ interface A {
+ };
+ """)
+ results = parser.finish()
+ except:
+ threw = True
+ harness.ok(not threw,
+ "Should allow [ArrayClass] on interfaces without parents")