Source code
Revision control
Copy as Markdown
Other Tools
import WebIDL
def WebIDLTest(parser, harness):
parser.parse(
"""
dictionary Dict2 : Dict1 {
long child = 5;
Dict1 aaandAnother;
};
dictionary Dict1 {
long parent;
double otherParent;
};
"""
)
results = parser.finish()
dict1 = results[1]
dict2 = results[0]
harness.check(len(dict1.members), 2, "Dict1 has two members")
harness.check(len(dict2.members), 2, "Dict2 has four members")
harness.check(
dict1.members[0].identifier.name, "otherParent", "'o' comes before 'p'"
)
harness.check(
dict1.members[1].identifier.name, "parent", "'o' really comes before 'p'"
)
harness.check(
dict2.members[0].identifier.name, "aaandAnother", "'a' comes before 'c'"
)
harness.check(
dict2.members[1].identifier.name, "child", "'a' really comes before 'c'"
)
# Test partial dictionary.
parser = parser.reset()
parser.parse(
"""
dictionary A {
long c;
long g;
};
partial dictionary A {
long h;
long d;
};
"""
)
results = parser.finish()
dict1 = results[0]
harness.check(len(dict1.members), 4, "Dict1 has four members")
harness.check(dict1.members[0].identifier.name, "c", "c should be first")
harness.check(dict1.members[1].identifier.name, "d", "d should come after c")
harness.check(dict1.members[2].identifier.name, "g", "g should come after d")
harness.check(dict1.members[3].identifier.name, "h", "h should be last")
# Now reset our parser
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Dict {
long prop = 5;
long prop;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow name duplication in a dictionary")
# Test no name duplication across normal and partial dictionary.
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
long prop = 5;
};
partial dictionary A {
long prop;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow name duplication across normal and partial dictionary"
)
# Now reset our parser again
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Dict1 : Dict2 {
long prop = 5;
};
dictionary Dict2 : Dict3 {
long prop2;
};
dictionary Dict3 {
double prop;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow name duplication in a dictionary and " "its ancestor"
)
# More reset
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Iface {};
dictionary Dict : Iface {
long prop;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow non-dictionary parents for dictionaries")
# Even more reset
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A : B {};
dictionary B : A {};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow cycles in dictionary inheritance chains")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
[LegacyNullToEmptyString] DOMString foo;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow [LegacyNullToEmptyString] on dictionary members"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(A arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Trailing dictionary arg must be optional")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional A arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Trailing dictionary arg must have a default value")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo((A or DOMString) arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Trailing union arg containing a dictionary must be optional")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (A or DOMString) arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Trailing union arg containing a dictionary must have a default value"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(A arg1, optional long arg2);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Dictionary arg followed by optional arg must be optional")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional A arg1, optional long arg2);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Dictionary arg followed by optional arg must have default value")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(A arg1, optional long arg2, long arg3);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
not threw,
"Dictionary arg followed by non-optional arg doesn't have to be optional",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo((A or DOMString) arg1, optional long arg2);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Union arg containing dictionary followed by optional arg must " "be optional",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (A or DOMString) arg1, optional long arg2);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Union arg containing dictionary followed by optional arg must "
"have a default value",
)
parser = parser.reset()
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(A arg1, long arg2);
};
"""
)
parser.finish()
harness.ok(True, "Dictionary arg followed by required arg can be required")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional A? arg1 = {});
};
"""
)
parser.finish()
except Exception as x:
threw = x
harness.ok(threw, "Optional dictionary arg must not be nullable")
harness.ok(
"nullable" in str(threw),
"Must have the expected exception for optional nullable dictionary arg",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
required long x;
};
interface X {
undefined doFoo(A? arg1);
};
"""
)
parser.finish()
except Exception as x:
threw = x
harness.ok(threw, "Required dictionary arg must not be nullable")
harness.ok(
"nullable" in str(threw),
"Must have the expected exception for required nullable " "dictionary arg",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (A or long)? arg1 = {});
};
"""
)
parser.finish()
except Exception as x:
threw = x
harness.ok(threw, "Dictionary arg must not be in an optional nullable union")
harness.ok(
"nullable" in str(threw),
"Must have the expected exception for optional nullable union "
"arg containing dictionary",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
required long x;
};
interface X {
undefined doFoo((A or long)? arg1);
};
"""
)
parser.finish()
except Exception as x:
threw = x
harness.ok(threw, "Dictionary arg must not be in a required nullable union")
harness.ok(
"nullable" in str(threw),
"Must have the expected exception for required nullable union "
"arg containing dictionary",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(sequence<A?> arg1);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(not threw, "Nullable union should be allowed in a sequence argument")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (A or long?) arg1);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Dictionary must not be in a union with a nullable type")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (long? or A) arg1);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "A nullable type must not be in a union with a dictionary")
parser = parser.reset()
parser.parse(
"""
dictionary A {
};
interface X {
A? doFoo();
};
"""
)
parser.finish()
harness.ok(True, "Dictionary return value can be nullable")
parser = parser.reset()
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional A arg = {});
};
"""
)
parser.finish()
harness.ok(True, "Dictionary arg should actually parse")
parser = parser.reset()
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (A or DOMString) arg = {});
};
"""
)
parser.finish()
harness.ok(True, "Union arg containing a dictionary should actually parse")
parser = parser.reset()
parser.parse(
"""
dictionary A {
};
interface X {
undefined doFoo(optional (A or DOMString) arg = "abc");
};
"""
)
parser.finish()
harness.ok(
True,
"Union arg containing a dictionary with string default should actually parse",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
Foo foo;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Member type must not be its Dictionary.")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo3 : Foo {
short d;
};
dictionary Foo2 : Foo3 {
boolean c;
};
dictionary Foo1 : Foo2 {
long a;
};
dictionary Foo {
Foo1 b;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Member type must not be a Dictionary that " "inherits from its Dictionary.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
(Foo or DOMString)[]? b;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Member type must not be a Nullable type "
"whose inner type includes its Dictionary.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
(DOMString or Foo) b;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Member type must not be a Union type, one of "
"whose member types includes its Dictionary.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
sequence<sequence<sequence<Foo>>> c;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Member type must not be a Sequence type "
"whose element type includes its Dictionary.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
(DOMString or Foo)[] d;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Member type must not be an Array type "
"whose element type includes its Dictionary.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
Foo1 b;
};
dictionary Foo3 {
Foo d;
};
dictionary Foo2 : Foo3 {
short c;
};
dictionary Foo1 : Foo2 {
long a;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Member type must not be a Dictionary, one of whose "
"members or inherited members has a type that includes "
"its Dictionary.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
};
dictionary Bar {
Foo? d;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Member type must not be a nullable dictionary")
parser = parser.reset()
parser.parse(
"""
dictionary Foo {
unrestricted float urFloat = 0;
unrestricted float urFloat2 = 1.1;
unrestricted float urFloat3 = -1.1;
unrestricted float? urFloat4 = null;
unrestricted float infUrFloat = Infinity;
unrestricted float negativeInfUrFloat = -Infinity;
unrestricted float nanUrFloat = NaN;
unrestricted double urDouble = 0;
unrestricted double urDouble2 = 1.1;
unrestricted double urDouble3 = -1.1;
unrestricted double? urDouble4 = null;
unrestricted double infUrDouble = Infinity;
unrestricted double negativeInfUrDouble = -Infinity;
unrestricted double nanUrDouble = NaN;
};
"""
)
parser.finish()
harness.ok(True, "Parsing default values for unrestricted types succeeded.")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
double f = Infinity;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Only unrestricted values can be initialized to Infinity")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
double f = -Infinity;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Only unrestricted values can be initialized to -Infinity")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
double f = NaN;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Only unrestricted values can be initialized to NaN")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
float f = Infinity;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Only unrestricted values can be initialized to Infinity")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
float f = -Infinity;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Only unrestricted values can be initialized to -Infinity")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
float f = NaN;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Only unrestricted values can be initialized to NaN")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary Foo {
long module;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(not threw, "Should be able to use 'module' as a dictionary member name")