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Test CFA for mixed loop+function exit edge cases

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AmberGraceSoftware 2023-08-06 17:55:19 -06:00
parent 4f80629b89
commit ccef633a29
1 changed files with 182 additions and 0 deletions
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182
tests/TypeInfer.cfa.test.cpp
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@ -150,6 +150,62 @@ TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_continue_elif_not_y_continue")
CHECK_EQ("string", toString(requireTypeAtPosition({11, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_return_elif_not_y_break")
{
ScopedFastFlag flags[] = {
{"LuauTinyControlFlowAnalysis", true},
{"LuauLoopControlFlowAnalysis", true}
};
CheckResult result = check(R"(
local function f(x: {{value: string?}}, y: {{value: string?}})
for i, recordX in x do
local recordY = y[i]
if not recordX.value then
return
elseif not recordY.value then
break
end
local foo = recordX.value
local bar = recordY.value
end
end
)");
LUAU_REQUIRE_NO_ERRORS(result);
CHECK_EQ("string", toString(requireTypeAtPosition({10, 38})));
CHECK_EQ("string", toString(requireTypeAtPosition({11, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_break_elif_not_y_continue")
{
ScopedFastFlag flags[] = {
{"LuauTinyControlFlowAnalysis", true},
{"LuauLoopControlFlowAnalysis", true}
};
CheckResult result = check(R"(
local function f(x: {{value: string?}}, y: {{value: string?}})
for i, recordX in x do
local recordY = y[i]
if not recordX.value then
break
elseif not recordY.value then
continue
end
local foo = recordX.value
local bar = recordY.value
end
end
)");
LUAU_REQUIRE_NO_ERRORS(result);
CHECK_EQ("string", toString(requireTypeAtPosition({10, 38})));
CHECK_EQ("string", toString(requireTypeAtPosition({11, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_return_elif_rand_return_elif_not_y_return")
{
ScopedFastFlag sff{"LuauTinyControlFlowAnalysis", true};
@ -410,6 +466,72 @@ TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_continue_elif_not_y_fallthrough_eli
CHECK_EQ("string?", toString(requireTypeAtPosition({15, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_continue_elif_not_y_throw_elif_not_z_fallthrough")
{
ScopedFastFlag flags[] = {
{"LuauTinyControlFlowAnalysis", true},
{"LuauLoopControlFlowAnalysis", true}
};
CheckResult result = check(R"(
local function f(x: {{value: string?}}, y: {{value: string?}}, z: {{value: string?}})
for i, recordX in x do
local recordY = y[i]
local recordZ = y[i]
if not recordX.value then
continue
elseif not recordY.value then
error("Y value not defined")
elseif not recordZ.value then
end
local foo = recordX.value
local bar = recordY.value
local baz = recordZ.value
end
end
)");
LUAU_REQUIRE_NO_ERRORS(result);
CHECK_EQ("string", toString(requireTypeAtPosition({13, 38})));
CHECK_EQ("string", toString(requireTypeAtPosition({14, 38})));
CHECK_EQ("string?", toString(requireTypeAtPosition({15, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_return_elif_not_y_fallthrough_elif_not_z_break")
{
ScopedFastFlag flags[] = {
{"LuauTinyControlFlowAnalysis", true},
{"LuauLoopControlFlowAnalysis", true}
};
CheckResult result = check(R"(
local function f(x: {{value: string?}}, y: {{value: string?}}, z: {{value: string?}})
for i, recordX in x do
local recordY = y[i]
local recordZ = y[i]
if not recordX.value then
return
elseif not recordY.value then
elseif not recordZ.value then
break
end
local foo = recordX.value
local bar = recordY.value
local baz = recordZ.value
end
end
)");
LUAU_REQUIRE_NO_ERRORS(result);
CHECK_EQ("string", toString(requireTypeAtPosition({13, 38})));
CHECK_EQ("string?", toString(requireTypeAtPosition({14, 38})));
CHECK_EQ("string?", toString(requireTypeAtPosition({15, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "do_if_not_x_return")
{
ScopedFastFlag sff{"LuauTinyControlFlowAnalysis", true};
@ -669,6 +791,66 @@ TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_continue_if_not_y_continue")
CHECK_EQ("string", toString(requireTypeAtPosition({13, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_continue_if_not_y_throw")
{
ScopedFastFlag flags[] = {
{"LuauTinyControlFlowAnalysis", true},
{"LuauLoopControlFlowAnalysis", true}
};
CheckResult result = check(R"(
local function f(x: {{value: string?}}, y: {{value: string?}})
for i, recordX in x do
local recordY = y[i]
if not recordX.value then
continue
end
if not recordY.value then
error("Y value not defined")
end
local foo = recordX.value
local bar = recordY.value
end
end
)");
LUAU_REQUIRE_NO_ERRORS(result);
CHECK_EQ("string", toString(requireTypeAtPosition({12, 38})));
CHECK_EQ("string", toString(requireTypeAtPosition({13, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "if_not_x_break_if_not_y_continue")
{
ScopedFastFlag flags[] = {
{"LuauTinyControlFlowAnalysis", true},
{"LuauLoopControlFlowAnalysis", true}
};
CheckResult result = check(R"(
local function f(x: {{value: string?}}, y: {{value: string?}})
for i, recordX in x do
local recordY = y[i]
if not recordX.value then
break
end
if not recordY.value then
continue
end
local foo = recordX.value
local bar = recordY.value
end
end
)");
LUAU_REQUIRE_NO_ERRORS(result);
CHECK_EQ("string", toString(requireTypeAtPosition({12, 38})));
CHECK_EQ("string", toString(requireTypeAtPosition({13, 38})));
}
TEST_CASE_FIXTURE(BuiltinsFixture, "type_alias_does_not_leak_out")
{
ScopedFastFlag sff{"LuauTinyControlFlowAnalysis", true};