Add assertion messages for function invocation

src/dstr-binding/default/arrow-function.template

@@ -45,4 +45,4 @@ f = (/*{ elems }*/) => {
 };
 
 f(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'arrow function invoked exactly once');

src/dstr-binding/default/cls-decl-gen-meth-static.template

@@ -68,4 +68,4 @@ class C {
 };
 
 C.method(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-decl-gen-meth.template

@@ -68,4 +68,4 @@ class C {
 };
 
 new C().method(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-decl-meth-static.template

@@ -66,4 +66,4 @@ class C {
 };
 
 C.method(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-decl-meth.template

@@ -66,4 +66,4 @@ class C {
 };
 
 new C().method(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-expr-gen-meth-static.template

@@ -70,4 +70,4 @@ var C = class {
 };
 
 C.method(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-expr-gen-meth.template

@@ -70,4 +70,4 @@ var C = class {
 };
 
 new C().method(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-expr-meth-static.template

@@ -67,4 +67,4 @@ var C = class {
 };
 
 C.method(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/cls-expr-meth.template

@@ -67,4 +67,4 @@ var C = class {
 };
 
 new C().method(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');

src/dstr-binding/default/func-decl.template

@@ -45,4 +45,4 @@ function f(/*{ elems }*/) {
   callCount = callCount + 1;
 };
 f(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'function invoked exactly once');

src/dstr-binding/default/func-expr.template

@@ -46,4 +46,4 @@ f = function(/*{ elems }*/) {
 };
 
 f(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'function invoked exactly once');

src/dstr-binding/default/gen-func-decl.template

@@ -44,4 +44,4 @@ function* f(/*{ elems }*/) {
   callCount = callCount + 1;
 };
 f(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'generator function invoked exactly once');

src/dstr-binding/default/gen-func-expr.template

@@ -46,4 +46,4 @@ f = function*(/*{ elems }*/) {
 };
 
 f(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'generator function invoked exactly once');

src/dstr-binding/default/gen-meth.template

@@ -52,4 +52,4 @@ var obj = {
 };
 
 obj.method(/*{ vals }*/).next();
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'generator method invoked exactly once');

src/dstr-binding/default/meth.template

@@ -49,4 +49,4 @@ var obj = {
 };
 
 obj.method(/*{ vals }*/);
-assert.sameValue(callCount, 1);
+assert.sameValue(callCount, 1, 'method invoked exactly once');