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Sema: allow empty end index in zirSliceSentinel

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This fixes a regression, and enables some related behavior tests which
were accidentally disabled.
This commit is contained in:
mlugg
2023-06-15 01:19:17 +01:00
parent 45e9617720
commit 57f6e6729f
2 changed files with 16 additions and 8 deletions
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22
test/behavior/slice.zig
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@@ -378,12 +378,16 @@ test "slice syntax resulting in pointer-to-array" {
try testPointer0();
try testPointerAlign();
try testSlice();
try testSliceZ();
try testSliceOpt();
try testSliceAlign();
try testConcatStrLiterals();
try testSliceLength();
try testSliceLengthZ();
try testArrayLength();
try testArrayLengthZ();
try testMultiPointer();
try testMultiPointerLengthZ();
}
fn testArray() !void {
@@ -469,8 +473,12 @@ test "slice syntax resulting in pointer-to-array" {
var array = [5:0]u8{ 1, 2, 3, 4, 5 };
var slice: [:0]u8 = &array;
try comptime expect(@TypeOf(slice[1..3]) == *[2]u8);
try comptime expect(@TypeOf(slice[1..]) == [:0]u8);
try comptime expect(@TypeOf(slice[1..3 :4]) == *[2:4]u8);
if (@inComptime()) {
try comptime expect(@TypeOf(slice[1..]) == *[4:0]u8);
} else {
try comptime expect(@TypeOf(slice[1..]) == [:0]u8);
}
}
fn testSliceOpt() !void {
@@ -491,8 +499,8 @@ test "slice syntax resulting in pointer-to-array" {
}
fn testConcatStrLiterals() !void {
try expectEqualSlices("a"[0..] ++ "b"[0..], "ab");
try expectEqualSlices("a"[0.. :0] ++ "b"[0.. :0], "ab");
try expectEqualSlices(u8, "ab", "a"[0..] ++ "b"[0..]);
try expectEqualSlices(u8, "ab", "a"[0.. :0] ++ "b"[0.. :0]);
}
fn testSliceLength() !void {
@@ -541,18 +549,18 @@ test "slice syntax resulting in pointer-to-array" {
var array = [5:0]u8{ 1, 2, 3, 4, 5 };
var ptr: [*]u8 = &array;
try comptime expect(@TypeOf(ptr[1..][0..2]) == *[2]u8);
try comptime expect(@TypeOf(ptr[1..][0..4]) == *[4:0]u8);
try comptime expect(@TypeOf(ptr[1..][0..4]) == *[4]u8);
try comptime expect(@TypeOf(ptr[1..][0..2 :4]) == *[2:4]u8);
try comptime expect(@TypeOf(ptr[1.. :0][0..2]) == *[2]u8);
try comptime expect(@TypeOf(ptr[1.. :0][0..4]) == *[4:0]u8);
try comptime expect(@TypeOf(ptr[1.. :0][0..4]) == *[4]u8);
try comptime expect(@TypeOf(ptr[1.. :0][0..2 :4]) == *[2:4]u8);
var ptr_z: [*:0]u8 = &array;
try comptime expect(@TypeOf(ptr_z[1..][0..2]) == *[2]u8);
try comptime expect(@TypeOf(ptr_z[1..][0..4]) == *[4:0]u8);
try comptime expect(@TypeOf(ptr_z[1..][0..4]) == *[4]u8);
try comptime expect(@TypeOf(ptr_z[1..][0..2 :4]) == *[2:4]u8);
try comptime expect(@TypeOf(ptr_z[1.. :0][0..2]) == *[2]u8);
try comptime expect(@TypeOf(ptr_z[1.. :0][0..4]) == *[4:0]u8);
try comptime expect(@TypeOf(ptr_z[1.. :0][0..4]) == *[4]u8);
try comptime expect(@TypeOf(ptr_z[1.. :0][0..2 :4]) == *[2:4]u8);
}
};