add negative values and unsigned type filter to textureSample

src/webgpu/shader/validation/expression/call/builtin/textureSample.spec.ts

@@ -18,6 +18,7 @@ import {
   isConvertible,
   ScalarType,
   VectorType,
+  isUnsignedType,
 } from '../../../../../util/conversion.js';
 import { ShaderValidationTest } from '../../../shader_validation_test.js';
 
@@ -65,6 +66,8 @@ Validates that only incorrect coords arguments are rejected by ${builtin}
       .combine('coordType', keysOf(kValuesTypes))
       .beginSubcases()
       .combine('value', [-1, 0, 1] as const)
+      // filter out unsigned types with negative values
+      .filter(t => isUnsignedType(kValuesTypes[t.coordType]) && t.value < 0)
       .expand('offset', ({ textureType }) => {
         const offset = kValidTextureSampleParameterTypes[textureType].offsetArgType;
         return offset ? [false, true] : [false];
@@ -109,6 +112,8 @@ Validates that only incorrect array_index arguments are rejected by ${builtin}
       .combine('arrayIndexType', keysOf(kValuesTypes))
       .beginSubcases()
       .combine('value', [-9, -8, 0, 7, 8])
+      // filter out unsigned types with negative values
+      .filter(t => isUnsignedType(kValuesTypes[t.arrayIndexType]) && t.value < 0)
   )
   .fn(t => {
     const { textureType, arrayIndexType, value } = t.params;
@@ -147,6 +152,8 @@ Validates that only incorrect offset arguments are rejected by ${builtin}
       .combine('offsetType', keysOf(kValuesTypes))
       .beginSubcases()
       .combine('value', [-9, -8, 0, 7, 8])
+      // filter out unsigned types with negative values
+      .filter(t => isUnsignedType(kValuesTypes[t.offsetType]) && t.value < 0)
   )
   .fn(t => {
     const { textureType, offsetType, value } = t.params;