JezK
Edit File: duplicate-property.pyt
# Copyright 2011 the V8 project authors. All rights reserved. # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following # disclaimer in the documentation and/or other materials provided # with the distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # Tests of duplicate properties in object literals. # ---------------------------------------------------------------------- # Utility functions to generate a number of tests for each property # name pair. def PropertyTest(name, propa, propb, allow_strict = True): replacement = {"id1": propa, "id2": propb, "name": name} # Tests same test in both strict and non-strict context. def StrictTest(name, source, replacement, expectation): if (allow_strict): Template("strict-" + name, "\"use strict\";\n" + source)(replacement, expectation) Template(name, source)(replacement, expectation) # This one only fails in non-strict context. if (allow_strict): Template("strict-$name-data-data", """ "use strict"; var o = {$id1: 42, $id2: 42}; """)(replacement, "strict_duplicate_property") Template("$name-data-data", """ var o = {$id1: 42, $id2: 42}; """)(replacement, None) StrictTest("$name-data-get", """ var o = {$id1: 42, get $id2(){}}; """, replacement, "accessor_data_property") StrictTest("$name-data-set", """ var o = {$id1: 42, set $id2(v){}}; """, replacement, "accessor_data_property") StrictTest("$name-get-data", """ var o = {get $id1(){}, $id2: 42}; """, replacement, "accessor_data_property") StrictTest("$name-set-data", """ var o = {set $id1(v){}, $id2: 42}; """, replacement, "accessor_data_property") StrictTest("$name-get-get", """ var o = {get $id1(){}, get $id2(){}}; """, replacement, "accessor_get_set") StrictTest("$name-set-set", """ var o = {set $id1(v){}, set $id2(v){}}; """, replacement, "accessor_get_set") StrictTest("$name-nested-get", """ var o = {get $id1(){}, o: {get $id2(){} } }; """, replacement, None) StrictTest("$name-nested-set", """ var o = {set $id1(){}, o: {set $id2(){} } }; """, replacement, None) def TestBothWays(name, propa, propb, allow_strict = True): PropertyTest(name + "-1", propa, propb, allow_strict) PropertyTest(name + "-2", propb, propa, allow_strict) def TestSame(name, prop, allow_strict = True): PropertyTest(name, prop, prop, allow_strict) #----------------------------------------------------------------------- # Simple identifier property TestSame("a", "a") # Get/set identifiers TestSame("get-id", "get") TestSame("set-id", "set") # Number properties TestSame("0", "0") TestSame("0.1", "0.1") TestSame("1.0", "1.0") TestSame("42.33", "42.33") TestSame("2^32-2", "4294967294") TestSame("2^32", "4294967296") TestSame("2^53", "9007199254740992") TestSame("Hex20", "0x20") TestSame("exp10", "1e10") TestSame("exp20", "1e20") TestSame("Oct40", "040", False); # String properties TestSame("str-a", '"a"') TestSame("str-0", '"0"') TestSame("str-42", '"42"') TestSame("str-empty", '""') # Keywords TestSame("if", "if") TestSame("case", "case") # Future reserved keywords TestSame("public", "public") TestSame("class", "class") # Test that numbers are converted to string correctly. TestBothWays("hex-int", "0x20", "32") TestBothWays("oct-int", "040", "32", False) # Octals disallowed in strict mode. TestBothWays("dec-int", "32.00", "32") TestBothWays("dec-underflow-int", "32.00000000000000000000000000000000000000001", "32") TestBothWays("exp-int", "3.2e1", "32") TestBothWays("exp-int", "3200e-2", "32") TestBothWays("overflow-inf", "1e2000", "Infinity") TestBothWays("overflow-inf-exact", "1.797693134862315808e+308", "Infinity") TestBothWays("non-overflow-inf-exact", "1.797693134862315807e+308", "1.7976931348623157e+308") TestBothWays("underflow-0", "1e-2000", "0") TestBothWays("underflow-0-exact", "2.4703282292062E-324", "0") TestBothWays("non-underflow-0-exact", "2.4703282292063E-324", "5e-324") TestBothWays("precission-loss-high", "9007199254740992", "9007199254740993") TestBothWays("precission-loss-low", "1.9999999999999998", "1.9999999999999997") TestBothWays("non-canonical-literal-int", "1.0", "1") TestBothWays("non-canonical-literal-frac", "1.50", "1.5") TestBothWays("rounding-down", "1.12512512512512452", "1.1251251251251244") TestBothWays("rounding-up", "1.12512512512512453", "1.1251251251251246") TestBothWays("hex-int-str", "0x20", '"32"') TestBothWays("dec-int-str", "32.00", '"32"') TestBothWays("exp-int-str", "3.2e1", '"32"') TestBothWays("overflow-inf-str", "1e2000", '"Infinity"') TestBothWays("underflow-0-str", "1e-2000", '"0"') TestBothWays("non-canonical-literal-int-str", "1.0", '"1"') TestBothWays("non-canonical-literal-frac-str", "1.50", '"1.5"')