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| author | Andrew Kelley <andrew@ziglang.org> | 2021-10-05 21:07:17 -0700 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2021-10-05 21:07:36 -0700 |
| commit | 941b2f0d5e50521c41e6db3912085a72b6c16813 (patch) | |
| tree | fc02e0cf50fb78d42b2aa248c617565985adcb21 /test/behavior/enum.zig | |
| parent | 9ed599b4e3f5c9f48089a3acd61d0338e27e88f6 (diff) | |
| download | zig-941b2f0d5e50521c41e6db3912085a72b6c16813.tar.gz zig-941b2f0d5e50521c41e6db3912085a72b6c16813.zip | |
move tagged union behavior tests to the appropriate place
tagged unions used to be called "enums" but now they are called
"tagged unions".
Diffstat (limited to 'test/behavior/enum.zig')
| -rw-r--r-- | test/behavior/enum.zig | 138 |
1 files changed, 6 insertions, 132 deletions
diff --git a/test/behavior/enum.zig b/test/behavior/enum.zig index 1324fa0e4a..bd47481b5f 100644 --- a/test/behavior/enum.zig +++ b/test/behavior/enum.zig @@ -3,68 +3,20 @@ const expect = std.testing.expect; const mem = std.mem; const Tag = std.meta.Tag; -const Point = struct { - x: u64, - y: u64, -}; -const Foo = union(enum) { - One: i32, - Two: Point, - Three: void, -}; -const FooNoVoid = union(enum) { - One: i32, - Two: Point, -}; -const Bar = enum { - A, - B, - C, - D, -}; - -fn returnAnInt(x: i32) Foo { - return Foo{ .One = x }; -} - -fn shouldBeEmpty(x: AnEnumWithPayload) void { - switch (x) { - AnEnumWithPayload.Empty => {}, - else => unreachable, - } -} - -fn shouldBeNotEmpty(x: AnEnumWithPayload) void { - switch (x) { - AnEnumWithPayload.Empty => unreachable, - else => {}, - } -} - -const AnEnumWithPayload = union(enum) { - Empty: void, - Full: i32, -}; - const Number = enum { Zero, One, Two, Three, Four }; fn shouldEqual(n: Number, expected: u3) !void { try expect(@enumToInt(n) == expected); } -fn testEnumTagNameBare(n: anytype) []const u8 { - return @tagName(n); +test "enum to int" { + try shouldEqual(Number.Zero, 0); + try shouldEqual(Number.One, 1); + try shouldEqual(Number.Two, 2); + try shouldEqual(Number.Three, 3); + try shouldEqual(Number.Four, 4); } -const BareNumber = enum { One, Two, Three }; - -const NonExhaustive = enum(u8) { A, B, _ }; - -const AlignTestEnum = union(enum) { - A: [9]u8, - B: u64, -}; - const ValueCount1 = enum { I0, }; @@ -590,84 +542,6 @@ const ValueCount257 = enum { I256, }; -const Small2 = enum(u2) { One, Two }; -const Small = enum(u2) { One, Two, Three, Four }; - -const A = enum(u3) { One, Two, Three, Four, One2, Two2, Three2, Four2 }; -const B = enum(u3) { One3, Two3, Three3, Four3, One23, Two23, Three23, Four23 }; -const C = enum(u2) { One4, Two4, Three4, Four4 }; - -const BitFieldOfEnums = packed struct { - a: A, - b: B, - c: C, -}; - -const bit_field_1 = BitFieldOfEnums{ - .a = A.Two, - .b = B.Three3, - .c = C.Four4, -}; - -fn getA(data: *const BitFieldOfEnums) A { - return data.a; -} - -fn getB(data: *const BitFieldOfEnums) B { - return data.b; -} - -fn getC(data: *const BitFieldOfEnums) C { - return data.c; -} - -const MultipleChoice = enum(u32) { - A = 20, - B = 40, - C = 60, - D = 1000, -}; - -const MultipleChoice2 = enum(u32) { - Unspecified1, - A = 20, - Unspecified2, - B = 40, - Unspecified3, - C = 60, - Unspecified4, - D = 1000, - Unspecified5, -}; - -const EnumWithOneMember = enum { Eof }; - -fn doALoopThing(id: EnumWithOneMember) void { - while (true) { - if (id == EnumWithOneMember.Eof) { - break; - } - @compileError("above if condition should be comptime"); - } -} - -const State = enum { Start }; - -const EnumWithTagValues = enum(u4) { - A = 1 << 0, - B = 1 << 1, - C = 1 << 2, - D = 1 << 3, -}; - -test "enum to int" { - try shouldEqual(Number.Zero, 0); - try shouldEqual(Number.One, 1); - try shouldEqual(Number.Two, 2); - try shouldEqual(Number.Three, 3); - try shouldEqual(Number.Four, 4); -} - test "enum sizes" { comptime { try expect(@sizeOf(ValueCount1) == 0); |
