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Location: CSY/reowolf/src/protocol/tests/eval_operators.rs
ef37386d0c6f
3.5 KiB
application/rls-services+xml
Put expression types of procedures in type table
Before we annotated the AST. But that is silly in hindsight:
certain operations have a completely different meaning when applied
in a polymorphic context (i.e. the field index determined by a
select expression).
Before we annotated the AST. But that is silly in hindsight:
certain operations have a completely different meaning when applied
in a polymorphic context (i.e. the field index determined by a
select expression).
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#[test]
fn test_assignment_operators() {
fn construct_source(value_type: &str, value_initial: &str, value_op: &str) -> String {
return format!(
"func foo() -> {} {{
{} value = {};
value {};
return value;
}}",
value_type, value_type, value_initial, value_op
);
}
fn perform_test(name: &str, source: String, expected_value: Value) {
Tester::new_single_source_expect_ok(name, source)
.for_function("foo", move |f| {
f.call_ok(Some(expected_value));
});
}
perform_test(
"set",
construct_source("u32", "1", "= 5"),
Value::UInt32(5)
);
perform_test(
"multiplied",
construct_source("u32", "2", "*= 4"),
Value::UInt32(8)
);
perform_test(
"divided",
construct_source("u32", "8", "/= 4"),
Value::UInt32(2)
);
perform_test(
"remained",
construct_source("u32", "8", "%= 3"),
Value::UInt32(2)
);
perform_test(
"added",
construct_source("u32", "2", "+= 4"),
Value::UInt32(6)
);
perform_test(
"subtracted",
construct_source("u32", "6", "-= 4"),
Value::UInt32(2)
);
perform_test(
"shifted left",
construct_source("u32", "2", "<<= 2"),
Value::UInt32(8)
);
perform_test(
"shifted right",
construct_source("u32", "8", ">>= 2"),
Value::UInt32(2)
);
perform_test(
"bitwise and",
construct_source("u32", "15", "&= 35"),
Value::UInt32(3)
);
perform_test(
"bitwise xor",
construct_source("u32", "3", "^= 7"),
Value::UInt32(4)
);
perform_test(
"bitwise or",
construct_source("u32", "12", "|= 3"),
Value::UInt32(15)
);
}
#[test]
fn test_binary_integer_operators() {
fn construct_source(value_type: &str, code: &str) -> String {
format!("
func foo() -> {} {{
{}
}}
", value_type, code)
}
fn perform_test(test_name: &str, value_type: &str, code: &str, expected_value: Value) {
Tester::new_single_source_expect_ok(test_name, construct_source(value_type, code))
.for_function("foo", move |f| {
f.call_ok(Some(expected_value));
});
}
perform_test(
"bitwise_or", "u16",
"auto a = 3; return a | 4;", Value::UInt16(7)
);
perform_test(
"bitwise_xor", "u16",
"auto a = 3; return a ^ 7;", Value::UInt16(4)
);
perform_test(
"bitwise and", "u16",
"auto a = 0b110011; return a & 0b011110;", Value::UInt16(0b010010)
);
perform_test(
"shift left", "u16",
"auto a = 0x0F; return a << 4;", Value::UInt16(0xF0)
);
perform_test(
"shift right", "u64",
"auto a = 0xF0; return a >> 4;", Value::UInt64(0x0F)
);
perform_test(
"add", "u32",
"auto a = 5; return a + 5;", Value::UInt32(10)
);
perform_test(
"subtract", "u32",
"auto a = 3; return a - 3;", Value::UInt32(0)
);
perform_test(
"multiply", "u8",
"auto a = 2 * 2; return a * 2 * 2;", Value::UInt8(16)
);
perform_test(
"divide", "u8",
"auto a = 32 / 2; return a / 2 / 2;", Value::UInt8(4)
);
perform_test(
"remainder", "u16",
"auto a = 29; return a % 3;", Value::UInt16(2)
);
}
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