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also add test for overshifting to make sure we don't get bits from higher up in the type

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Brendan Hansknecht 2022-03-20 22:09:11 -07:00
parent 20ed4cbacb
commit 42f49c1d79
1 changed files with 3 additions and 0 deletions
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3
compiler/test_gen/src/gen_num.rs
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@ -1853,6 +1853,8 @@ fn shift_right_by() {
assert_evals_to!("Num.shiftRightBy 2 0b0100_0000i8", 0b0001_0000i8, i8); assert_evals_to!("Num.shiftRightBy 2 0b0100_0000i8", 0b0001_0000i8, i8);
assert_evals_to!("Num.shiftRightBy 1 0b1110_0000u8", 0b1111_0000u8, u8); assert_evals_to!("Num.shiftRightBy 1 0b1110_0000u8", 0b1111_0000u8, u8);
assert_evals_to!("Num.shiftRightBy 2 0b1100_0000u8", 0b1111_0000u8, u8); assert_evals_to!("Num.shiftRightBy 2 0b1100_0000u8", 0b1111_0000u8, u8);
assert_evals_to!("Num.shiftRightBy 12 0b1000_0000u8", 0b1111_1111u8, u8);
assert_evals_to!("Num.shiftRightBy 12 0b0100_0000u8", 0b0000_0000u8, u8);
} }
#[test] #[test]
@ -1867,6 +1869,7 @@ fn shift_right_zf_by() {
assert_evals_to!("Num.shiftRightZfBy 2 0b1100_0000u8", 0b0011_0000u8, u8); assert_evals_to!("Num.shiftRightZfBy 2 0b1100_0000u8", 0b0011_0000u8, u8);
assert_evals_to!("Num.shiftRightZfBy 1 0b0000_0010u8", 0b0000_0001u8, u8); assert_evals_to!("Num.shiftRightZfBy 1 0b0000_0010u8", 0b0000_0001u8, u8);
assert_evals_to!("Num.shiftRightZfBy 2 0b0000_1100u8", 0b0000_0011u8, u8); assert_evals_to!("Num.shiftRightZfBy 2 0b0000_1100u8", 0b0000_0011u8, u8);
assert_evals_to!("Num.shiftRightZfBy 12 0b1000_0000u8", 0b0000_0000u8, u8);
} }
#[test] #[test]