fix: #470

the math didn't end up being wrong, but found an issue with argument type, and went ahead and fixed it

bin/gpu-browser-core.js

@@ -5,7 +5,7 @@
  * GPU Accelerated JavaScript
  *
  * @version 2.0.0-rc.14
- * @date Thu May 23 2019 20:48:22 GMT-0400 (Eastern Daylight Time)
+ * @date Thu May 23 2019 21:45:45 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -4581,7 +4581,6 @@ class HeadlessGLKernel extends WebGLKernel {
 module.exports = {
   HeadlessGLKernel
 };
-
 },{"../gl/kernel-string":10,"../web-gl/kernel":55,"gl":2}],32:[function(require,module,exports){
 const { utils } = require('../utils');
 
@@ -4785,10 +4784,12 @@ class Kernel {
   setupArguments(args) {
     if (!this.argumentTypes) {
       this.kernelArguments = [];
-      this.argumentTypes = [];
-      for (let i = 0; i < args.length; i++) {
-        const argType = utils.getVariableType(args[i], this.strictIntegers);
-        this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+      if (!this.argumentTypes) {
+        this.argumentTypes = [];
+        for (let i = 0; i < args.length; i++) {
+          const argType = utils.getVariableType(args[i], this.strictIntegers);
+          this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+        }
       }
     }
 
@@ -6405,7 +6406,6 @@ const operatorMap = {
 module.exports = {
   WebGLFunctionNode
 };
-
 },{"../function-node":9}],36:[function(require,module,exports){
 const { WebGLKernelValueBoolean } = require('./kernel-value/boolean');
 const { WebGLKernelValueFloat } = require('./kernel-value/float');
@@ -7548,7 +7548,10 @@ class WebGLKernel extends GLKernel {
   setupArguments(args) {
     this.kernelArguments = [];
     this.argumentTextureCount = 0;
-    this.argumentTypes = [];
+    const needsArgumentTypes = this.argumentTypes === null;
+    if (needsArgumentTypes) {
+      this.argumentTypes = [];
+    }
     this.argumentSizes = [];
     this.argumentBitRatios = [];
     if (!this.precision) {
@@ -7565,8 +7568,13 @@ class WebGLKernel extends GLKernel {
     for (let index = 0; index < args.length; index++) {
       const value = args[index];
       const name = this.argumentNames[index];
-      const type = utils.getVariableType(value, this.strictIntegers);
-      this.argumentTypes.push(type);
+      let type;
+      if (needsArgumentTypes) {
+        type = utils.getVariableType(value, this.strictIntegers);
+        this.argumentTypes.push(type);
+      } else {
+        type = this.argumentTypes[index];
+      }
       const KernelValue = this.constructor.lookupKernelValueType(type, this.dynamicArguments ? 'dynamic' : 'static', this.precision);
       if (KernelValue === null) {
         throw new Error('unsupported argument');
@@ -9990,6 +9998,10 @@ class GPU {
 
     source = typeof source === 'function' ? source.toString() : source;
     const switchableKernels = {};
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings) || {};
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
     const mergedSettings = Object.assign({
       context: this.context,
       canvas: this.canvas,
@@ -10046,7 +10058,7 @@ class GPU {
           return newKernel.renderOutput();
         }
       }
-    }, upgradeDeprecatedCreateKernelSettings(settings) || {});
+    }, settingsCopy);
 
     const kernel = kernelRunShortcut(new this.Kernel(source, mergedSettings));
 
@@ -10079,7 +10091,12 @@ class GPU {
       }
     }
 
-    const kernel = this.createKernel(fn, upgradeDeprecatedCreateKernelSettings(settings));
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings);
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
+    const kernel = this.createKernel(fn, settingsCopy);
+
     if (Array.isArray(arguments[0])) {
       const functions = arguments[0];
       for (let i = 0; i < functions.length; i++) {
@@ -10194,6 +10211,7 @@ module.exports = {
   kernelOrder,
   kernelTypes
 };
+
 },{"./backend/cpu/kernel":7,"./backend/headless-gl/kernel":31,"./backend/web-gl/kernel":55,"./backend/web-gl2/kernel":79,"./kernel-run-shortcut":85,"./utils":88,"gpu-mock.js":3}],83:[function(require,module,exports){
 const { GPU } = require('./gpu');
 const { alias } = require('./alias');

bin/gpu-browser-core.min.js

@@ -5,7 +5,7 @@
  * GPU Accelerated JavaScript
  *
  * @version 2.0.0-rc.14
- * @date Thu May 23 2019 20:48:24 GMT-0400 (Eastern Daylight Time)
+ * @date Thu May 23 2019 21:45:47 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -18,7 +18,7 @@
  * GPU Accelerated JavaScript
  *
  * @version 2.0.0-rc.14
- * @date Thu May 23 2019 20:48:22 GMT-0400 (Eastern Daylight Time)
+ * @date Thu May 23 2019 21:45:45 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -4594,7 +4594,6 @@ class HeadlessGLKernel extends WebGLKernel {
 module.exports = {
   HeadlessGLKernel
 };
-
 },{"../gl/kernel-string":10,"../web-gl/kernel":55,"gl":2}],32:[function(require,module,exports){
 const { utils } = require('../utils');
 
@@ -4798,10 +4797,12 @@ class Kernel {
   setupArguments(args) {
     if (!this.argumentTypes) {
       this.kernelArguments = [];
-      this.argumentTypes = [];
-      for (let i = 0; i < args.length; i++) {
-        const argType = utils.getVariableType(args[i], this.strictIntegers);
-        this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+      if (!this.argumentTypes) {
+        this.argumentTypes = [];
+        for (let i = 0; i < args.length; i++) {
+          const argType = utils.getVariableType(args[i], this.strictIntegers);
+          this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+        }
       }
     }
 
@@ -6418,7 +6419,6 @@ const operatorMap = {
 module.exports = {
   WebGLFunctionNode
 };
-
 },{"../function-node":9}],36:[function(require,module,exports){
 const { WebGLKernelValueBoolean } = require('./kernel-value/boolean');
 const { WebGLKernelValueFloat } = require('./kernel-value/float');
@@ -7561,7 +7561,10 @@ class WebGLKernel extends GLKernel {
   setupArguments(args) {
     this.kernelArguments = [];
     this.argumentTextureCount = 0;
-    this.argumentTypes = [];
+    const needsArgumentTypes = this.argumentTypes === null;
+    if (needsArgumentTypes) {
+      this.argumentTypes = [];
+    }
     this.argumentSizes = [];
     this.argumentBitRatios = [];
     if (!this.precision) {
@@ -7578,8 +7581,13 @@ class WebGLKernel extends GLKernel {
     for (let index = 0; index < args.length; index++) {
       const value = args[index];
       const name = this.argumentNames[index];
-      const type = utils.getVariableType(value, this.strictIntegers);
-      this.argumentTypes.push(type);
+      let type;
+      if (needsArgumentTypes) {
+        type = utils.getVariableType(value, this.strictIntegers);
+        this.argumentTypes.push(type);
+      } else {
+        type = this.argumentTypes[index];
+      }
       const KernelValue = this.constructor.lookupKernelValueType(type, this.dynamicArguments ? 'dynamic' : 'static', this.precision);
       if (KernelValue === null) {
         throw new Error('unsupported argument');
@@ -10003,6 +10011,10 @@ class GPU {
 
     source = typeof source === 'function' ? source.toString() : source;
     const switchableKernels = {};
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings) || {};
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
     const mergedSettings = Object.assign({
       context: this.context,
       canvas: this.canvas,
@@ -10059,7 +10071,7 @@ class GPU {
           return newKernel.renderOutput();
         }
       }
-    }, upgradeDeprecatedCreateKernelSettings(settings) || {});
+    }, settingsCopy);
 
     const kernel = kernelRunShortcut(new this.Kernel(source, mergedSettings));
 
@@ -10092,7 +10104,12 @@ class GPU {
       }
     }
 
-    const kernel = this.createKernel(fn, upgradeDeprecatedCreateKernelSettings(settings));
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings);
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
+    const kernel = this.createKernel(fn, settingsCopy);
+
     if (Array.isArray(arguments[0])) {
       const functions = arguments[0];
       for (let i = 0; i < functions.length; i++) {
@@ -10207,6 +10224,7 @@ module.exports = {
   kernelOrder,
   kernelTypes
 };
+
 },{"./backend/cpu/kernel":7,"./backend/headless-gl/kernel":31,"./backend/web-gl/kernel":55,"./backend/web-gl2/kernel":79,"./kernel-run-shortcut":85,"./utils":88,"gpu-mock.js":3}],83:[function(require,module,exports){
 const { GPU } = require('./gpu');
 const { alias } = require('./alias');

bin/gpu-browser.js

@@ -5,7 +5,7 @@
  * GPU Accelerated JavaScript
  *
  * @version 2.0.0-rc.14
- * @date Thu May 23 2019 20:48:22 GMT-0400 (Eastern Daylight Time)
+ * @date Thu May 23 2019 21:45:45 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -9345,7 +9345,6 @@ class HeadlessGLKernel extends WebGLKernel {
 module.exports = {
   HeadlessGLKernel
 };
-
 },{"../gl/kernel-string":11,"../web-gl/kernel":56,"gl":3}],33:[function(require,module,exports){
 const { utils } = require('../utils');
 
@@ -9549,10 +9548,12 @@ class Kernel {
   setupArguments(args) {
     if (!this.argumentTypes) {
       this.kernelArguments = [];
-      this.argumentTypes = [];
-      for (let i = 0; i < args.length; i++) {
-        const argType = utils.getVariableType(args[i], this.strictIntegers);
-        this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+      if (!this.argumentTypes) {
+        this.argumentTypes = [];
+        for (let i = 0; i < args.length; i++) {
+          const argType = utils.getVariableType(args[i], this.strictIntegers);
+          this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+        }
       }
     }
 
@@ -11169,7 +11170,6 @@ const operatorMap = {
 module.exports = {
   WebGLFunctionNode
 };
-
 },{"../function-node":10}],37:[function(require,module,exports){
 const { WebGLKernelValueBoolean } = require('./kernel-value/boolean');
 const { WebGLKernelValueFloat } = require('./kernel-value/float');
@@ -12312,7 +12312,10 @@ class WebGLKernel extends GLKernel {
   setupArguments(args) {
     this.kernelArguments = [];
     this.argumentTextureCount = 0;
-    this.argumentTypes = [];
+    const needsArgumentTypes = this.argumentTypes === null;
+    if (needsArgumentTypes) {
+      this.argumentTypes = [];
+    }
     this.argumentSizes = [];
     this.argumentBitRatios = [];
     if (!this.precision) {
@@ -12329,8 +12332,13 @@ class WebGLKernel extends GLKernel {
     for (let index = 0; index < args.length; index++) {
       const value = args[index];
       const name = this.argumentNames[index];
-      const type = utils.getVariableType(value, this.strictIntegers);
-      this.argumentTypes.push(type);
+      let type;
+      if (needsArgumentTypes) {
+        type = utils.getVariableType(value, this.strictIntegers);
+        this.argumentTypes.push(type);
+      } else {
+        type = this.argumentTypes[index];
+      }
       const KernelValue = this.constructor.lookupKernelValueType(type, this.dynamicArguments ? 'dynamic' : 'static', this.precision);
       if (KernelValue === null) {
         throw new Error('unsupported argument');
@@ -14754,6 +14762,10 @@ class GPU {
 
     source = typeof source === 'function' ? source.toString() : source;
     const switchableKernels = {};
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings) || {};
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
     const mergedSettings = Object.assign({
       context: this.context,
       canvas: this.canvas,
@@ -14810,7 +14822,7 @@ class GPU {
           return newKernel.renderOutput();
         }
       }
-    }, upgradeDeprecatedCreateKernelSettings(settings) || {});
+    }, settingsCopy);
 
     const kernel = kernelRunShortcut(new this.Kernel(source, mergedSettings));
 
@@ -14843,7 +14855,12 @@ class GPU {
       }
     }
 
-    const kernel = this.createKernel(fn, upgradeDeprecatedCreateKernelSettings(settings));
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings);
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
+    const kernel = this.createKernel(fn, settingsCopy);
+
     if (Array.isArray(arguments[0])) {
       const functions = arguments[0];
       for (let i = 0; i < functions.length; i++) {
@@ -14958,6 +14975,7 @@ module.exports = {
   kernelOrder,
   kernelTypes
 };
+
 },{"./backend/cpu/kernel":8,"./backend/headless-gl/kernel":32,"./backend/web-gl/kernel":56,"./backend/web-gl2/kernel":80,"./kernel-run-shortcut":86,"./utils":89,"gpu-mock.js":4}],84:[function(require,module,exports){
 const { GPU } = require('./gpu');
 const { alias } = require('./alias');

bin/gpu-browser.min.js

@@ -5,7 +5,7 @@
  * GPU Accelerated JavaScript
  *
  * @version 2.0.0-rc.14
- * @date Thu May 23 2019 20:48:24 GMT-0400 (Eastern Daylight Time)
+ * @date Thu May 23 2019 21:45:47 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -18,7 +18,7 @@
  * GPU Accelerated JavaScript
  *
  * @version 2.0.0-rc.14
- * @date Thu May 23 2019 20:48:22 GMT-0400 (Eastern Daylight Time)
+ * @date Thu May 23 2019 21:45:45 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -9358,7 +9358,6 @@ class HeadlessGLKernel extends WebGLKernel {
 module.exports = {
   HeadlessGLKernel
 };
-
 },{"../gl/kernel-string":11,"../web-gl/kernel":56,"gl":3}],33:[function(require,module,exports){
 const { utils } = require('../utils');
 
@@ -9562,10 +9561,12 @@ class Kernel {
   setupArguments(args) {
     if (!this.argumentTypes) {
       this.kernelArguments = [];
-      this.argumentTypes = [];
-      for (let i = 0; i < args.length; i++) {
-        const argType = utils.getVariableType(args[i], this.strictIntegers);
-        this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+      if (!this.argumentTypes) {
+        this.argumentTypes = [];
+        for (let i = 0; i < args.length; i++) {
+          const argType = utils.getVariableType(args[i], this.strictIntegers);
+          this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+        }
       }
     }
 
@@ -11182,7 +11183,6 @@ const operatorMap = {
 module.exports = {
   WebGLFunctionNode
 };
-
 },{"../function-node":10}],37:[function(require,module,exports){
 const { WebGLKernelValueBoolean } = require('./kernel-value/boolean');
 const { WebGLKernelValueFloat } = require('./kernel-value/float');
@@ -12325,7 +12325,10 @@ class WebGLKernel extends GLKernel {
   setupArguments(args) {
     this.kernelArguments = [];
     this.argumentTextureCount = 0;
-    this.argumentTypes = [];
+    const needsArgumentTypes = this.argumentTypes === null;
+    if (needsArgumentTypes) {
+      this.argumentTypes = [];
+    }
     this.argumentSizes = [];
     this.argumentBitRatios = [];
     if (!this.precision) {
@@ -12342,8 +12345,13 @@ class WebGLKernel extends GLKernel {
     for (let index = 0; index < args.length; index++) {
       const value = args[index];
       const name = this.argumentNames[index];
-      const type = utils.getVariableType(value, this.strictIntegers);
-      this.argumentTypes.push(type);
+      let type;
+      if (needsArgumentTypes) {
+        type = utils.getVariableType(value, this.strictIntegers);
+        this.argumentTypes.push(type);
+      } else {
+        type = this.argumentTypes[index];
+      }
       const KernelValue = this.constructor.lookupKernelValueType(type, this.dynamicArguments ? 'dynamic' : 'static', this.precision);
       if (KernelValue === null) {
         throw new Error('unsupported argument');
@@ -14767,6 +14775,10 @@ class GPU {
 
     source = typeof source === 'function' ? source.toString() : source;
     const switchableKernels = {};
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings) || {};
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
     const mergedSettings = Object.assign({
       context: this.context,
       canvas: this.canvas,
@@ -14823,7 +14835,7 @@ class GPU {
           return newKernel.renderOutput();
         }
       }
-    }, upgradeDeprecatedCreateKernelSettings(settings) || {});
+    }, settingsCopy);
 
     const kernel = kernelRunShortcut(new this.Kernel(source, mergedSettings));
 
@@ -14856,7 +14868,12 @@ class GPU {
       }
     }
 
-    const kernel = this.createKernel(fn, upgradeDeprecatedCreateKernelSettings(settings));
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings);
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
+    const kernel = this.createKernel(fn, settingsCopy);
+
     if (Array.isArray(arguments[0])) {
       const functions = arguments[0];
       for (let i = 0; i < functions.length; i++) {
@@ -14971,6 +14988,7 @@ module.exports = {
   kernelOrder,
   kernelTypes
 };
+
 },{"./backend/cpu/kernel":8,"./backend/headless-gl/kernel":32,"./backend/web-gl/kernel":56,"./backend/web-gl2/kernel":80,"./kernel-run-shortcut":86,"./utils":89,"gpu-mock.js":4}],84:[function(require,module,exports){
 const { GPU } = require('./gpu');
 const { alias } = require('./alias');

src/backend/kernel.js

@@ -258,10 +258,12 @@ class Kernel {
   setupArguments(args) {
     if (!this.argumentTypes) {
       this.kernelArguments = [];
-      this.argumentTypes = [];
-      for (let i = 0; i < args.length; i++) {
-        const argType = utils.getVariableType(args[i], this.strictIntegers);
-        this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+      if (!this.argumentTypes) {
+        this.argumentTypes = [];
+        for (let i = 0; i < args.length; i++) {
+          const argType = utils.getVariableType(args[i], this.strictIntegers);
+          this.argumentTypes.push(argType === 'Integer' ? 'Number' : argType);
+        }
       }
     }
 

src/backend/web-gl/kernel.js

@@ -359,8 +359,11 @@ class WebGLKernel extends GLKernel {
   setupArguments(args) {
     this.kernelArguments = [];
     this.argumentTextureCount = 0;
+    const needsArgumentTypes = this.argumentTypes === null;
     // TODO: remove
-    this.argumentTypes = [];
+    if (needsArgumentTypes) {
+      this.argumentTypes = [];
+    }
     this.argumentSizes = [];
     this.argumentBitRatios = [];
     // TODO: end remove
@@ -379,8 +382,13 @@ class WebGLKernel extends GLKernel {
     for (let index = 0; index < args.length; index++) {
       const value = args[index];
       const name = this.argumentNames[index];
-      const type = utils.getVariableType(value, this.strictIntegers);
-      this.argumentTypes.push(type);
+      let type;
+      if (needsArgumentTypes) {
+        type = utils.getVariableType(value, this.strictIntegers);
+        this.argumentTypes.push(type);
+      } else {
+        type = this.argumentTypes[index];
+      }
       const KernelValue = this.constructor.lookupKernelValueType(type, this.dynamicArguments ? 'dynamic' : 'static', this.precision);
       if (KernelValue === null) {
         throw new Error('unsupported argument');

src/gpu.js

@@ -210,6 +210,11 @@ class GPU {
 
     source = typeof source === 'function' ? source.toString() : source;
     const switchableKernels = {};
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings) || {};
+    // handle conversion of argumentTypes
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
     const mergedSettings = Object.assign({
       context: this.context,
       canvas: this.canvas,
@@ -266,7 +271,7 @@ class GPU {
           return newKernel.renderOutput();
         }
       }
-    }, upgradeDeprecatedCreateKernelSettings(settings) || {});
+    }, settingsCopy);
 
     const kernel = kernelRunShortcut(new this.Kernel(source, mergedSettings));
 
@@ -331,7 +336,13 @@ class GPU {
       }
     }
 
-    const kernel = this.createKernel(fn, upgradeDeprecatedCreateKernelSettings(settings));
+    const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings);
+    // handle conversion of argumentTypes
+    if (settings && typeof settings.argumentTypes === 'object') {
+      settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]);
+    }
+    const kernel = this.createKernel(fn, settingsCopy);
+
     if (Array.isArray(arguments[0])) {
       const functions = arguments[0];
       for (let i = 0; i < functions.length; i++) {

test/all.html

@@ -163,6 +163,7 @@
 <script type="module" src="issues/401-cpu-canvas-check.js"></script>
 <script type="module" src="issues/410-if-statement.js"></script>
 <script type="module" src="issues/422-warnings.js"></script>
+<script type="module" src="issues/470-modulus-wrong.js"></script>
 <script type="module" src="issues/471-canvas-issue.js"></script>
 <script type="module" src="issues/472-compilation-issue.js"></script>
 <script type="module" src="issues/473-4-pixels.js"></script>

test/issues/470-modulus-wrong.js

@@ -0,0 +1,53 @@
+const { assert, skip, test, module: describe } = require('qunit');
+const { GPU } = require('../../src');
+
+describe('issue #470 - modulus wrong');
+
+function testModulusWrong(mode) {
+  const gpu = new GPU({ mode });
+  const kernel = gpu.createKernel(function(mod) {
+    return this.thread.x % mod;
+  }, {
+    output: [10],
+    argumentTypes: {
+      mod: 'Integer',
+    },
+  });
+
+  const result = kernel(6);
+  assert.equal(kernel.argumentTypes[0], 'Integer');
+  assert.equal(result[0], 0 % 6);
+  assert.equal(result[1], 1 % 6);
+  assert.equal(result[2], 2 % 6);
+  assert.equal(result[3], 3 % 6);
+  assert.equal(result[4], 4 % 6);
+  assert.equal(result[5], 5 % 6);
+  assert.equal(result[6], 6 % 6);
+  assert.equal(result[7], 7 % 6);
+  assert.equal(result[8], 8 % 6);
+  assert.equal(result[9], 9 % 6);
+}
+
+test('auto', () => {
+  testModulusWrong();
+});
+
+test('gpu', () => {
+  testModulusWrong('gpu');
+});
+
+(GPU.isWebGLSupported ? test : skip)('webgl', () => {
+  testModulusWrong('webgl');
+});
+
+(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
+  testModulusWrong('webgl2');
+});
+
+(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
+  testModulusWrong('headlessgl');
+});
+
+test('cpu', () => {
+  testModulusWrong('cpu');
+});