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return null in bad retrieval, throw on bad insert

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This commit is contained in:
John Alanbrook
2026-01-06 09:16:15 -06:00
parent eba0727247
commit df07069c38
2 changed files with 96 additions and 15 deletions
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65
tests/suite.cm
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@@ -1831,4 +1831,69 @@ return {
if (!caught) throw "object should not be able to use null as key"
},
// ============================================================================
// RETRIEVAL WITH INVALID KEY RETURNS NULL (not throw)
// ============================================================================
test_array_get_string_key_returns_null: function() {
var a = [1, 2, 3]
var result = a["x"]
if (result != null) throw "array get with string key should return null"
},
test_array_get_negative_index_returns_null: function() {
var a = [1, 2, 3]
var result = a[-1]
if (result != null) throw "array get with negative index should return null"
},
test_array_get_object_key_returns_null: function() {
var a = [1, 2, 3]
var k = {}
var result = a[k]
if (result != null) throw "array get with object key should return null"
},
test_array_get_array_key_returns_null: function() {
var a = [1, 2, 3]
var result = a[[1, 2]]
if (result != null) throw "array get with array key should return null"
},
test_array_get_boolean_key_returns_null: function() {
var a = [1, 2, 3]
var result = a[true]
if (result != null) throw "array get with boolean key should return null"
},
test_array_get_null_key_returns_null: function() {
var a = [1, 2, 3]
var result = a[null]
if (result != null) throw "array get with null key should return null"
},
test_obj_get_number_key_returns_null: function() {
var o = {a: 1}
var result = o[5]
if (result != null) throw "object get with number key should return null"
},
test_obj_get_array_key_returns_null: function() {
var o = {a: 1}
var result = o[[1, 2]]
if (result != null) throw "object get with array key should return null"
},
test_obj_get_boolean_key_returns_null: function() {
var o = {a: 1}
var result = o[true]
if (result != null) throw "object get with boolean key should return null"
},
test_obj_get_null_key_returns_null: function() {
var o = {a: 1}
var result = o[null]
if (result != null) throw "object get with null key should return null"
},
}