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module: improve testing

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-03-09 14:56:50 -07:00 • committed by Stephen Gutekanst
parent 56fc29743f
commit 5e353e60bb
2 changed files with 16 additions and 14 deletions
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29
src/module.zig
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@ -4,7 +4,7 @@ const testing = std.testing;
// TODO: eliminate dependency on ECS here.
const EntityID = @import("ecs/entities.zig").EntityID;
/// Verifies that T matches the basic layout of a mach.Module
/// Verifies that T matches the basic layout of a Mach module
pub fn Module(comptime T: type) type {
if (@typeInfo(T) != .Struct) @compileError("Module must be a struct type. Found:" ++ @typeName(T));
if (!@hasDecl(T, "name")) @compileError("Module must have `pub const name = .foobar;`");
@ -15,6 +15,18 @@ pub fn Module(comptime T: type) type {
return T;
}
/// Verifies that the given list of module structs `.{Foo, Bar}` satisfy `Module(M)`.
pub fn Modules(comptime mods: anytype) type {
inline for (mods) |M| _ = Module(M);
return struct {
pub const modules = mods;
pub const components = NamespacedComponents(mods){};
pub const State = NamespacedState(mods);
};
}
fn NamespacedComponents(comptime modules: anytype) type {
var fields: []const std.builtin.Type.StructField = &[0]std.builtin.Type.StructField{};
inline for (modules) |M| {
@ -80,18 +92,7 @@ fn NamespacedState(comptime modules: anytype) type {
});
}
pub fn Modules(comptime mods: anytype) type {
inline for (mods) |M| _ = Module(M);
return struct {
pub const modules = mods;
pub const components = NamespacedComponents(mods){};
pub const State = NamespacedState(mods);
};
}
test "module" {
test Module {
_ = Module(struct {
// Physics module state
pointer: usize,
@ -111,7 +112,7 @@ test "module" {
});
}
test "modules" {
test Modules {
const Physics = Module(struct {
// Physics module state
pointer: usize,