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export const description = `
Validation tests for const declarations
`;
import { makeTestGroup } from '../../../../common/framework/test_group.js';
import { ShaderValidationTest } from '../shader_validation_test.js';
export const g = makeTestGroup(ShaderValidationTest);
g.test('no_direct_recursion')
.desc('Test that direct recursion of const declarations is rejected')
.params(u => u.combine('target', ['a', 'b']))
.fn(t => {
const wgsl = `
const a : i32 = 42;
const b : i32 = ${t.params.target};
`;
t.expectCompileResult(t.params.target === 'a', wgsl);
});
g.test('no_indirect_recursion')
.desc('Test that indirect recursion of const declarations is rejected')
.params(u => u.combine('target', ['a', 'b']))
.fn(t => {
const wgsl = `
const a : i32 = 42;
const b : i32 = c;
const c : i32 = ${t.params.target};
`;
t.expectCompileResult(t.params.target === 'a', wgsl);
});
g.test('no_indirect_recursion_via_array_size')
.desc('Test that indirect recursion of const declarations via array size expressions is rejected')
.params(u => u.combine('target', ['a', 'b']))
.fn(t => {
const wgsl = `
const a = 4;
const b = c[0];
const c = array<i32, ${t.params.target}>(4, 4, 4, 4);
`;
t.expectCompileResult(t.params.target === 'a', wgsl);
});
g.test('no_indirect_recursion_via_struct_attribute')
.desc('Test that indirect recursion of const declarations via struct members is rejected')
.params(u =>
u //
.combine('target', ['a', 'b'])
.combine('attribute', ['align', 'location', 'size'])
)
.fn(t => {
const wgsl = `
struct S {
@${t.params.attribute}(${t.params.target}) a : i32
}
const a = 4;
const b = S(4).a;
`;
t.expectCompileResult(t.params.target === 'a', wgsl);
});
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