Updates for AmsterdamJS demo

examples/rangedrand.js

@@ -16,7 +16,7 @@ function rangedRand(start, end) {
 s.fdef(rangedRand, {
     args: s.and(s.cat('start', isInt, 'end', isInt),
                 args => args.start < args.end),
-    ret: isString,
+    ret: isInt,
     fn: s.and(f => f.ret >= f.start,
               f => f.ret < f.end)
 });

lib/gen.js

@@ -51,7 +51,7 @@ function* sampleInf(generator) {
 
 function retrySample(generator, retries = maxAttempts) {
     try {
-        return testcheck.sample(generator, 1);
+        return testcheck.sample(generator, 10);
     } catch (err) {
         if (retries === 0) {
             throw new Error(`sampleFromSpec failed at ${maxAttempts} attempts`);

lib/test/check.js

@@ -12,7 +12,7 @@ function check(sym, opts = {}) {
 
     const validReturnValue = ([, returnValue]) => isValid(returnSpec, returnValue);
     const validateFunction = ([args, returnValue]) => funcSpec({ret: returnValue, args: conform(argsSpec, args)});
-
+    
     const pass = every(samples, sample => validReturnValue(sample) && validateFunction(sample));
 
     return {

package.json

@@ -42,19 +42,19 @@
   "devDependencies": {
     "chai": "^4.1.2",
     "coveralls": "^3.0.0",
-    "eslint": "^4.12.1",
+    "eslint": "^4.13.1",
     "eslint-plugin-lodash": "^2.5.0",
     "eslint-plugin-node": "^5.2.1",
-    "genfun": "^4.0.1",
+    "genfun": "^5.0.0",
     "gh-pages": "^1.1.0",
     "gitbook-cli": "^2.3.2",
     "istanbul": "^0.4.5",
     "mocha": "^4.0.1",
     "pre-commit": "^1.2.2",
-    "sinon": "^4.1.2",
-    "stryker": "^0.15.4",
+    "sinon": "^4.1.3",
+    "stryker": "^0.15.5",
     "stryker-api": "^0.11.0",
-    "stryker-html-reporter": "^0.11.2",
+    "stryker-html-reporter": "^0.11.3",
     "stryker-javascript-mutator": "^0.2.3",
     "stryker-mocha-framework": "^0.7.1",
     "stryker-mocha-runner": "^0.10.1"

test/gen.js

@@ -18,6 +18,7 @@ describe('Test node.spec.gen functions', () => {
     });
 
     it('should generate 10 integers', () => {
+        console.log([...gen.sample(s.gen(isInt))]);
         expect([...gen.sample(s.gen(isInt))]).to.have.length(10);
     });
 

test/star.js

@@ -11,7 +11,7 @@ const {invalidString, isBoolean, isInteger, isOdd, isString} = s.utils;
 describe('Test the star (*) function', () => {
     before(() => {
         s.def('::odd?', s.and(isInteger, isOdd));
-        s.def('::odds', s.plus('::odd?'))
+        s.def('::odds', s.plus('::odd?'));
     });
 
     const odds = s.star('::odd?');