DevTools: introduce object previews experiment

third_party/WebKit/LayoutTests/inspector/console/console-format-es6-expected.txt

 CONSOLE MESSAGE: line 11: [object Promise]
 CONSOLE MESSAGE: line 12: [object Promise]
 CONSOLE MESSAGE: line 11: Symbol()
 CONSOLE MESSAGE: line 12: Symbol()
 CONSOLE MESSAGE: line 11: Symbol(a)
 CONSOLE MESSAGE: line 12: Symbol(a)
 CONSOLE MESSAGE: line 11: [object Object]
 CONSOLE MESSAGE: line 12: [object Object]
 CONSOLE MESSAGE: line 11: [object Map]
 CONSOLE MESSAGE: line 12: [object Map]
@@ skipping 24 matching lines @@
 globals[1]
 Symbol()
 console-format-es6.html:11 Symbol(a)
 console-format-es6.html:12 [Symbol(a)]
 globals[2]
 Symbol(a)
 console-format-es6.html:11 Object {a: Symbol(), Symbol(a): 2}
 console-format-es6.html:12 [Object]
 globals[3]
 Object {a: Symbol(), Symbol(a): 2}
-console-format-es6.html:11 Map(1) {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}

[dgozman, 2017/01/13 02:55:41]

Looks like a regression?

[luoe, 2017/01/13 23:20:12]

Reverted.  Maps/Sets will always have their size shown in description.

+console-format-es6.html:11 Map {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
 console-format-es6.html:12 [Map(1)]
 globals[4]
-Map(1) {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
+Map {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
 console-format-es6.html:11 WeakMap {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
 console-format-es6.html:12 [WeakMap]
 globals[5]
 WeakMap {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
-console-format-es6.html:11 Set(1) {Object {a: Symbol(), Symbol(a): 2}}
+console-format-es6.html:11 Set {Object {a: Symbol(), Symbol(a): 2}}
 console-format-es6.html:12 [Set(1)]
 globals[6]
-Set(1) {Object {a: Symbol(), Symbol(a): 2}}
+Set {Object {a: Symbol(), Symbol(a): 2}}
 console-format-es6.html:11 WeakSet {Object {a: Symbol(), Symbol(a): 2}}
 console-format-es6.html:12 [WeakSet]
 globals[7]
 WeakSet {Object {a: Symbol(), Symbol(a): 2}}
-console-format-es6.html:11 Map(1) {Map(0) {} => WeakMap {}}
+console-format-es6.html:11 Map {Map {} => WeakMap {}}
 console-format-es6.html:12 [Map(1)]
 globals[8]
-Map(1) {Map(0) {} => WeakMap {}}
-console-format-es6.html:11 Map(1) {Map(1) {…} => WeakMap {…}}
+Map {Map {} => WeakMap {}}
+console-format-es6.html:11 Map {Map {…} => WeakMap {…}}
 console-format-es6.html:12 [Map(1)]
 globals[9]
-Map(1) {Map(1) {…} => WeakMap {…}}
-console-format-es6.html:11 Set(1) {WeakSet {}}
+Map {Map {…} => WeakMap {…}}
+console-format-es6.html:11 Set {WeakSet {}}
 console-format-es6.html:12 [Set(1)]
 globals[10]
-Set(1) {WeakSet {}}
-console-format-es6.html:11 Set(1) {WeakSet {…}}
+Set {WeakSet {}}
+console-format-es6.html:11 Set {WeakSet {…}}
 console-format-es6.html:12 [Set(1)]
 globals[11]
-Set(1) {WeakSet {…}}
+Set {WeakSet {…}}
 console-format-es6.html:11 Map(5) {" from str " => " to str ", undefined => undefined, null => null, 42 => 42, Object {foo: "from"} => Object {foo: "to"}}
 console-format-es6.html:12 [Map(5)]
 globals[12]
 Map(5) {" from str " => " to str ", undefined => undefined, null => null, 42 => 42, Object {foo: "from"} => Object {foo: "to"}}
 Expanded all messages
 console-format-es6.html:11 Promise
     __proto__: Promise
     [[PromiseStatus]]: "rejected"
     [[PromiseValue]]: -0
 console-format-es6.html:12 Array(1)
-    0: Promise
+    0: Promise {[[PromiseStatus]]: "rejected", [[PromiseValue]]: -0}
     length: 1
     __proto__: Array(0)
 globals[0]
 Promise
     __proto__: Promise
     [[PromiseStatus]]: "rejected"
     [[PromiseValue]]: -0
 console-format-es6.html:11 Symbol()
 console-format-es6.html:12 Array(1)
     0: Symbol()
     length: 1
     __proto__: Array(0)
 globals[1]
 Symbol()
 console-format-es6.html:11 Symbol(a)
 console-format-es6.html:12 Array(1)
     0: Symbol(a)
     length: 1
     __proto__: Array(0)
 globals[2]
 Symbol(a)
 console-format-es6.html:11 Object
     a: Symbol()
     getter: (...)
     Symbol(a): 2
     get getter: function getter()
     __proto__: Object
 console-format-es6.html:12 Array(1)
-    0: Object
+    0: Object {a: Symbol(), Symbol(a): 2}
     length: 1
     __proto__: Array(0)
 globals[3]
 Object
     a: Symbol()
     getter: (...)
     Symbol(a): 2
     get getter: function getter()
     __proto__: Object
 console-format-es6.html:11 Map(1)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(1)
-        0: {Object => Object}
+        0: {Object => Object} {key: Object, value: Object}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: Map(1)
+    0: Map {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
     length: 1
     __proto__: Array(0)
 globals[4]
 Map(1)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(1)
-        0: {Object => Object}
+        0: {Object => Object} {key: Object, value: Object}
         length: 1
 console-format-es6.html:11 WeakMap
     __proto__: WeakMap
     [[Entries]]: Array(1)
-        0: {Object => Object}
+        0: {Object => Object} {key: Object, value: Object}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: WeakMap
+    0: WeakMap {Object {a: Symbol(), Symbol(a): 2} => Object {foo: 1}}
     length: 1
     __proto__: Array(0)
 globals[5]
 WeakMap
     __proto__: WeakMap
     [[Entries]]: Array(1)
-        0: {Object => Object}
+        0: {Object => Object} {key: Object, value: Object}
         length: 1
 console-format-es6.html:11 Set(1)
     size: (...)
     __proto__: Set
     [[Entries]]: Array(1)
-        0: Object
+        0: Object {value: Object}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: Set(1)
+    0: Set {Object {a: Symbol(), Symbol(a): 2}}
     length: 1
     __proto__: Array(0)
 globals[6]
 Set(1)
     size: (...)
     __proto__: Set
     [[Entries]]: Array(1)
-        0: Object
+        0: Object {value: Object}
         length: 1
 console-format-es6.html:11 WeakSet
     __proto__: WeakSet
     [[Entries]]: Array(1)
-        0: Object
+        0: Object {value: Object}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: WeakSet
+    0: WeakSet {Object {a: Symbol(), Symbol(a): 2}}
     length: 1
     __proto__: Array(0)
 globals[7]
 WeakSet
     __proto__: WeakSet
     [[Entries]]: Array(1)
-        0: Object
+        0: Object {value: Object}
         length: 1
 console-format-es6.html:11 Map(1)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(1)
-        0: {Map(0) => WeakMap}
+        0: {Map(0) => WeakMap} {key: Map(0), value: WeakMap}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: Map(1)
+    0: Map {Map {} => WeakMap {}}
     length: 1
     __proto__: Array(0)
 globals[8]
 Map(1)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(1)
-        0: {Map(0) => WeakMap}
+        0: {Map(0) => WeakMap} {key: Map(0), value: WeakMap}
         length: 1
 console-format-es6.html:11 Map(1)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(1)
-        0: {Map(1) => WeakMap}
+        0: {Map(1) => WeakMap} {key: Map(1), value: WeakMap}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: Map(1)
+    0: Map {Map {…} => WeakMap {…}}
     length: 1
     __proto__: Array(0)
 globals[9]
 Map(1)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(1)
-        0: {Map(1) => WeakMap}
+        0: {Map(1) => WeakMap} {key: Map(1), value: WeakMap}
         length: 1
 console-format-es6.html:11 Set(1)
     size: (...)
     __proto__: Set
     [[Entries]]: Array(1)
-        0: WeakSet
+        0: WeakSet {value: WeakSet}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: Set(1)
+    0: Set {WeakSet {}}
     length: 1
     __proto__: Array(0)
 globals[10]
 Set(1)
     size: (...)
     __proto__: Set
     [[Entries]]: Array(1)
-        0: WeakSet
+        0: WeakSet {value: WeakSet}
         length: 1
 console-format-es6.html:11 Set(1)
     size: (...)
     __proto__: Set
     [[Entries]]: Array(1)
-        0: WeakSet
+        0: WeakSet {value: WeakSet}
         length: 1
 console-format-es6.html:12 Array(1)
-    0: Set(1)
+    0: Set {WeakSet {…}}
     length: 1
     __proto__: Array(0)
 globals[11]
 Set(1)
     size: (...)
     __proto__: Set
     [[Entries]]: Array(1)
-        0: WeakSet
+        0: WeakSet {value: WeakSet}
         length: 1
 console-format-es6.html:11 Map(5)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(5)
-        0: {" from str " => " to str "}
-        1: {undefined => undefined}
-        2: {null => null}
-        3: {42 => 42}
-        4: {Object => Object}
+        0: {" from str " => " to str "} {key: " from str ", value: " to str "}
+        1: {undefined => undefined} {key: undefined, value: undefined}
+        2: {null => null} {key: null, value: null}
+        3: {42 => 42} {key: 42, value: 42}
+        4: {Object => Object} {key: Object, value: Object}
         length: 5
 console-format-es6.html:12 Array(1)
-    0: Map(5)
+    0: Map(5) {" from str " => " to str ", undefined => undefined, null => null, 42 => 42, Object {foo: "from"} => Object {foo: "to"}}
     length: 1
     __proto__: Array(0)
 globals[12]
 Map(5)
     size: (...)
     __proto__: Map
     [[Entries]]: Array(5)
-        0: {" from str " => " to str "}
-        1: {undefined => undefined}
-        2: {null => null}
-        3: {42 => 42}
-        4: {Object => Object}
+        0: {" from str " => " to str "} {key: " from str ", value: " to str "}
+        1: {undefined => undefined} {key: undefined, value: undefined}
+        2: {null => null} {key: null, value: null}
+        3: {42 => 42} {key: 42, value: 42}
+        4: {Object => Object} {key: Object, value: Object}
         length: 5