Merge pull request #891 from leobalter/860-block-dft-params

Test for parameters with default expressions in Annex B FiB tests

src/annex-b-fns/func-skip-dft-param.case

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+desc: >
+    Extension not observed when there is a default parameter with the same name
+template: func
+info: |
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+
+//- setup
+var init, after;
+//- params
+f = 123
+//- before
+init = f;
+//- after
+after = f;
+//- teardown
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/block-decl-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/block.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (Block statement in function scope containing a function declaration)
+esid: sec-web-compat-functiondeclarationinstantiation
+es6id: B.3.3.1
+flags: [generated, noStrict]
+info: |
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  {
+    function f() {  }
+  }
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/if-decl-else-decl-a-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/if-decl-else-decl-a.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (IfStatement with a declaration in both statement positions in function scope)
+esid: sec-functiondeclarations-in-ifstatement-statement-clauses
+es6id: B.3.4
+flags: [generated, noStrict]
+info: |
+    The following rules for IfStatement augment those in 13.6:
+
+    IfStatement[Yield, Return]:
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
+        if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
+
+
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  if (true) function f() {  } else function _f() {}
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/if-decl-else-decl-b-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/if-decl-else-decl-b.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (IfStatement with a declaration in both statement positions in function scope)
+esid: sec-functiondeclarations-in-ifstatement-statement-clauses
+es6id: B.3.4
+flags: [generated, noStrict]
+info: |
+    The following rules for IfStatement augment those in 13.6:
+
+    IfStatement[Yield, Return]:
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
+        if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
+
+
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  if (false) function _f() {} else function f() {  }
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/if-decl-else-stmt-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/if-decl-else-stmt.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (IfStatement with a declaration in the first statement position in function scope)
+esid: sec-functiondeclarations-in-ifstatement-statement-clauses
+es6id: B.3.4
+flags: [generated, noStrict]
+info: |
+    The following rules for IfStatement augment those in 13.6:
+
+    IfStatement[Yield, Return]:
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
+        if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
+
+
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  if (true) function f() {  } else ;
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/if-decl-no-else-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/if-decl-no-else.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (IfStatement without an else clause in function scope)
+esid: sec-functiondeclarations-in-ifstatement-statement-clauses
+es6id: B.3.4
+flags: [generated, noStrict]
+info: |
+    The following rules for IfStatement augment those in 13.6:
+
+    IfStatement[Yield, Return]:
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
+        if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
+
+
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  if (true) function f() {  }
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/if-stmt-else-decl-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/if-stmt-else-decl.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (IfStatement with a declaration in the second statement position in function scope)
+esid: sec-functiondeclarations-in-ifstatement-statement-clauses
+es6id: B.3.4
+flags: [generated, noStrict]
+info: |
+    The following rules for IfStatement augment those in 13.6:
+
+    IfStatement[Yield, Return]:
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
+        if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
+        if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
+
+
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  if (false) ; else function f() {  }
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/switch-case-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/switch-case.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (Function declaration in the `case` clause of a `switch` statement in function scope)
+esid: sec-web-compat-functiondeclarationinstantiation
+es6id: B.3.3.1
+flags: [generated, noStrict]
+info: |
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  switch (1) {
+    case 1:
+      function f() {  }
+  }
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');

test/annexB/language/function-code/switch-dflt-func-skip-dft-param.js

+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-skip-dft-param.case
+// - src/annex-b-fns/func/switch-dflt.template
+/*---
+description: Extension not observed when there is a default parameter with the same name (Funtion declaration in the `default` clause of a `switch` statement in function scope)
+esid: sec-web-compat-functiondeclarationinstantiation
+es6id: B.3.3.1
+flags: [generated, noStrict]
+info: |
+    B.3.3.1 Changes to FunctionDeclarationInstantiation
+
+    [...]
+    ii. If replacing the FunctionDeclaration f with a VariableStatement that
+        has F as a BindingIdentifier would not produce any Early Errors for
+        func and F is not an element of BoundNames of argumentsList, then
+    [...]
+---*/
+var init, after;
+
+(function(f = 123) {
+  init = f;
+
+  switch (1) {
+    default:
+      function f() {  }
+  }
+
+  after = f;
+}());
+
+assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
+assert.sameValue(after, 123, 'value is not updated following evaluation');