47 function getKind(obj) {  argument
48   if (%HasFastSmiElements(obj)) return elements_kind.fast_smi_only;
49   if (%HasFastObjectElements(obj)) return elements_kind.fast;
50   if (%HasFastDoubleElements(obj)) return elements_kind.fast_double;
51   if (%HasDictionaryElements(obj)) return elements_kind.dictionary;
54 function isHoley(obj) {  argument
55   if (%HasFastHoleyElements(obj)) return true;
59 function assertKind(expected, obj, name_opt) {  argument
60   assertEquals(expected, getKind(obj), name_opt);
63 function assertHoley(obj, name_opt) {  argument
64   assertEquals(true, isHoley(obj), name_opt);
67 function assertNotHoley(obj, name_opt) {  argument
68   assertEquals(false, isHoley(obj), name_opt);
71 obj = [];
72 assertNotHoley(obj);
73 assertKind(elements_kind.fast_smi_only, obj);
75 obj = [1, 2, 3];
76 assertNotHoley(obj);
77 assertKind(elements_kind.fast_smi_only, obj);
79 obj = new Array();  variable
80 assertNotHoley(obj);
81 assertKind(elements_kind.fast_smi_only, obj);
83 obj = new Array(0);  variable
84 assertNotHoley(obj);
85 assertKind(elements_kind.fast_smi_only, obj);
87 obj = new Array(2);  variable
88 assertHoley(obj);
89 assertKind(elements_kind.fast_smi_only, obj);
91 obj = new Array(1,2,3);  variable
92 assertNotHoley(obj);
93 assertKind(elements_kind.fast_smi_only, obj);
95 obj = new Array(1, "hi", 2, undefined);  variable
96 assertNotHoley(obj);
97 assertKind(elements_kind.fast, obj);
110 obj = fastliteralcase(get_standard_literal(), 1);
111 assertKind(elements_kind.fast_smi_only, obj);
112 obj = fastliteralcase(get_standard_literal(), 1.5);
113 assertKind(elements_kind.fast_double, obj);
114 obj = fastliteralcase(get_standard_literal(), 2);
115 assertKind(elements_kind.fast_double, obj);
121   obj = fastliteralcase([5, 3, 2], 1.5);
122   assertKind(elements_kind.fast_double, obj);
123   obj = fastliteralcase([3, 6, 2], 1.5);
124   assertKind(elements_kind.fast_double, obj);
129   obj = fastliteralcase([2, 6, 3], 2);
130   assertKind(elements_kind.fast_double, obj);
134 obj = fastliteralcase(get_standard_literal(), "elliot");
135 assertKind(elements_kind.fast, obj);
136 obj = fastliteralcase(get_standard_literal(), 3);
137 assertKind(elements_kind.fast, obj);
142 obj = get_standard_literal();
143 assertKind(elements_kind.fast, obj);
151 obj = fastliteralcase_smifast(1);
152 assertKind(elements_kind.fast_smi_only, obj);
153 obj = fastliteralcase_smifast("carter");
154 assertKind(elements_kind.fast, obj);
155 obj = fastliteralcase_smifast(2);
156 assertKind(elements_kind.fast, obj);
165 obj = fastliteralcase_smiholey(5, 1);
166 assertKind(elements_kind.fast_smi_only, obj);
167 assertHoley(obj);
168 obj = fastliteralcase_smiholey(0, 1);
169 assertKind(elements_kind.fast_smi_only, obj);
170 assertHoley(obj);
179 obj = newarraycase_smidouble(1);
180 assertKind(elements_kind.fast_smi_only, obj);
181 obj = newarraycase_smidouble(1.5);
182 assertKind(elements_kind.fast_double, obj);
183 obj = newarraycase_smidouble(2);
184 assertKind(elements_kind.fast_double, obj);
193 obj = newarraycase_smiobj(1);
194 assertKind(elements_kind.fast_smi_only, obj);
195 obj = newarraycase_smiobj("gloria");
196 assertKind(elements_kind.fast, obj);
197 obj = newarraycase_smiobj(2);
198 assertKind(elements_kind.fast, obj);
207 obj = newarraycase_length_smidouble(1);
208 assertKind(elements_kind.fast_smi_only, obj);
209 obj = newarraycase_length_smidouble(1.5);
210 assertKind(elements_kind.fast_double, obj);
211 obj = newarraycase_length_smidouble(2);
212 assertKind(elements_kind.fast_double, obj);
217 obj = newarraycase_length_smidouble("coates");
218 assertKind(elements_kind.fast, obj);
219 obj = newarraycase_length_smidouble(2);
229 obj = newarraycase_length_smiobj(1);
230 assertKind(elements_kind.fast_smi_only, obj);
231 obj = newarraycase_length_smiobj("gloria");
232 assertKind(elements_kind.fast, obj);
233 obj = newarraycase_length_smiobj(2);
234 assertKind(elements_kind.fast, obj);
242 obj = newarraycase_list_smidouble(1);
243 assertKind(elements_kind.fast_smi_only, obj);
244 obj = newarraycase_list_smidouble(1.5);
245 assertKind(elements_kind.fast_double, obj);
246 obj = newarraycase_list_smidouble(2);
247 assertKind(elements_kind.fast_double, obj);
255 obj = newarraycase_list_smiobj(1);
256 assertKind(elements_kind.fast_smi_only, obj);
257 obj = newarraycase_list_smiobj("coates");
258 assertKind(elements_kind.fast, obj);
259 obj = newarraycase_list_smiobj(2);
260 assertKind(elements_kind.fast, obj);
294 obj = newarraycase_onearg(5, 3.5);
295 assertKind(elements_kind.fast_double, obj);
296 obj = newarraycase_onearg(10, 5);
297 assertKind(elements_kind.fast_double, obj);
298 obj = newarraycase_onearg(0, 5);
299 assertKind(elements_kind.fast_double, obj);
365   obj = get_nested_literal();
366   assertKind(elements_kind.fast, obj);
367   obj[0][0] = 3.5;
368   obj[2][0] = "hello";
369   obj = get_nested_literal();
370   assertKind(elements_kind.fast_double, obj[0]);
371   assertKind(elements_kind.fast_smi_only, obj[1]);
372   assertKind(elements_kind.fast, obj[2]);
380   obj = get_deep_nested_literal();
381   assertKind(elements_kind.fast_smi_only, obj[1][0]);
382   obj[0][0] = 3.5;
383   obj[1][0][0] = "goodbye";
384   assertKind(elements_kind.fast_double, obj[0]);
385   assertKind(elements_kind.fast, obj[1][0]);
387   obj = get_deep_nested_literal();
388   assertKind(elements_kind.fast_double, obj[0]);
389   assertKind(elements_kind.fast, obj[1][0]);
410   obj = get_object_literal();
411   assertKind(elements_kind.fast_smi_only, obj.array);
412   obj.array[1] = 3.5;
413   assertKind(elements_kind.fast_double, obj.array);
414   obj = get_object_literal();
415   assertKind(elements_kind.fast_double, obj.array);
425   obj = get_nested_object_literal();
426   assertKind(elements_kind.fast, obj.array);
427   assertKind(elements_kind.fast_smi_only, obj.array[1]);
428   obj.array[1][0] = 3.5;
429   assertKind(elements_kind.fast_double, obj.array[1]);
430   obj = get_nested_object_literal();
431   assertKind(elements_kind.fast_double, obj.array[1]);
435   obj = get_nested_object_literal();
436   assertKind(elements_kind.fast_double, obj.array[1]);
444   obj = get_nested_literal();
445   assertKind(elements_kind.fast, obj);
446   obj[0][0] = 3.5;
447   obj[2][0] = "hello";
448   obj = get_nested_literal();
449   assertKind(elements_kind.fast_double, obj[0]);
450   assertKind(elements_kind.fast_smi_only, obj[1]);
451   assertKind(elements_kind.fast, obj[2]);
459   obj = get_deep_nested_literal();
460   assertKind(elements_kind.fast_smi_only, obj[1][0]);
461   obj[0][0] = 3.5;
462   obj[1][0][0] = "goodbye";
463   assertKind(elements_kind.fast_double, obj[0]);
464   assertKind(elements_kind.fast, obj[1][0]);
466   obj = get_deep_nested_literal();
467   assertKind(elements_kind.fast_double, obj[0]);
468   assertKind(elements_kind.fast, obj[1][0]);