| // Copyright 2012 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. |
| |
| // Flags: --allow-natives-syntax --smi-only-arrays |
| |
| // Test element kind of objects. |
| // Since --smi-only-arrays affects builtins, its default setting at compile time |
| // sticks if built with snapshot. If --smi-only-arrays is deactivated by |
| // default, only a no-snapshot build actually has smi-only arrays enabled in |
| // this test case. Depending on whether smi-only arrays are actually enabled, |
| // this test takes the appropriate code path to check smi-only arrays. |
| |
| support_smi_only_arrays = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]); |
| |
| if (support_smi_only_arrays) { |
| print("Tests include smi-only arrays."); |
| } else { |
| print("Tests do NOT include smi-only arrays."); |
| } |
| |
| // IC and Crankshaft support for smi-only elements in dynamic array literals. |
| function get(foo) { return foo; } // Used to generate dynamic values. |
| |
| function array_natives_test() { |
| |
| // Ensure small array literals start in specific element kind mode. |
| assertTrue(%HasFastSmiElements([])); |
| assertTrue(%HasFastSmiElements([1])); |
| assertTrue(%HasFastSmiElements([1,2])); |
| assertTrue(%HasFastDoubleElements([1.1])); |
| assertTrue(%HasFastDoubleElements([1.1,2])); |
| |
| // Push |
| var a0 = [1, 2, 3]; |
| if (%HasFastSmiElements(a0)) { |
| assertTrue(%HasFastSmiElements(a0)); |
| a0.push(4); |
| assertTrue(%HasFastSmiElements(a0)); |
| a0.push(1.3); |
| assertTrue(%HasFastDoubleElements(a0)); |
| a0.push(1.5); |
| assertTrue(%HasFastDoubleElements(a0)); |
| a0.push({}); |
| assertTrue(%HasFastObjectElements(a0)); |
| a0.push({}); |
| assertTrue(%HasFastObjectElements(a0)); |
| } else { |
| assertTrue(%HasFastObjectElements(a0)); |
| a0.push(4); |
| a0.push(1.3); |
| a0.push(1.5); |
| a0.push({}); |
| a0.push({}); |
| assertTrue(%HasFastObjectElements(a0)); |
| } |
| assertEquals([1,2,3,4,1.3,1.5,{},{}], a0); |
| |
| // Concat |
| var a1; |
| a1 = [1,2,3].concat([]); |
| assertTrue(%HasFastSmiElements(a1)); |
| assertEquals([1,2,3], a1); |
| a1 = [1,2,3].concat([4,5,6]); |
| assertTrue(%HasFastSmiElements(a1)); |
| assertEquals([1,2,3,4,5,6], a1); |
| a1 = [1,2,3].concat([4,5,6], [7,8,9]); |
| assertTrue(%HasFastSmiElements(a1)); |
| assertEquals([1,2,3,4,5,6,7,8,9], a1); |
| a1 = [1.1,2,3].concat([]); |
| assertTrue(%HasFastDoubleElements(a1)); |
| assertEquals([1.1,2,3], a1); |
| a1 = [1,2,3].concat([1.1, 2]); |
| assertTrue(%HasFastDoubleElements(a1)); |
| assertEquals([1,2,3,1.1,2], a1); |
| a1 = [1.1,2,3].concat([1, 2]); |
| assertTrue(%HasFastDoubleElements(a1)); |
| assertEquals([1.1,2,3,1,2], a1); |
| a1 = [1.1,2,3].concat([1.2, 2]); |
| assertTrue(%HasFastDoubleElements(a1)); |
| assertEquals([1.1,2,3,1.2,2], a1); |
| |
| a1 = [1,2,3].concat([{}]); |
| assertTrue(%HasFastObjectElements(a1)); |
| assertEquals([1,2,3,{}], a1); |
| a1 = [1.1,2,3].concat([{}]); |
| assertTrue(%HasFastObjectElements(a1)); |
| assertEquals([1.1,2,3,{}], a1); |
| a1 = [{}].concat([1,2,3]); |
| assertTrue(%HasFastObjectElements(a1)); |
| assertEquals([{},1,2,3], a1); |
| a1 = [{}].concat([1.1,2,3]); |
| assertTrue(%HasFastObjectElements(a1)); |
| assertEquals([{},1.1,2,3], a1); |
| |
| // Slice |
| var a2 = [1,2,3]; |
| assertTrue(%HasFastSmiElements(a2.slice())); |
| assertTrue(%HasFastSmiElements(a2.slice(1))); |
| assertTrue(%HasFastSmiElements(a2.slice(1, 2))); |
| assertEquals([1,2,3], a2.slice()); |
| assertEquals([2,3], a2.slice(1)); |
| assertEquals([2], a2.slice(1,2)); |
| a2 = [1.1,2,3]; |
| assertTrue(%HasFastDoubleElements(a2.slice())); |
| assertTrue(%HasFastDoubleElements(a2.slice(1))); |
| assertTrue(%HasFastDoubleElements(a2.slice(1, 2))); |
| assertEquals([1.1,2,3], a2.slice()); |
| assertEquals([2,3], a2.slice(1)); |
| assertEquals([2], a2.slice(1,2)); |
| a2 = [{},2,3]; |
| assertTrue(%HasFastObjectElements(a2.slice())); |
| assertTrue(%HasFastObjectElements(a2.slice(1))); |
| assertTrue(%HasFastObjectElements(a2.slice(1, 2))); |
| assertEquals([{},2,3], a2.slice()); |
| assertEquals([2,3], a2.slice(1)); |
| assertEquals([2], a2.slice(1,2)); |
| |
| // Splice |
| var a3 = [1,2,3]; |
| var a3r; |
| a3r = a3.splice(0, 0); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([1, 2, 3], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 1); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3)); |
| assertEquals([1], a3r); |
| assertEquals([2, 3], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 0, 2); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([2, 1, 2, 3], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 1, 2); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3)); |
| assertEquals([1], a3r); |
| assertEquals([2, 2, 3], a3); |
| |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 0); |
| assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([1.1, 2, 3], a3); |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 1); |
| assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([1.1], a3r); |
| assertEquals([2, 3], a3); |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 0, 2); |
| // Commented out since handled in js, which takes the best fit. |
| // assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([2, 1.1, 2, 3], a3); |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 1, 2); |
| assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([1.1], a3r); |
| assertEquals([2, 2, 3], a3); |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 0, 2.1); |
| // Commented out since handled in js, which takes the best fit. |
| // assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([2.1, 1.1, 2, 3], a3); |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 1, 2.2); |
| assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([1.1], a3r); |
| assertEquals([2.2, 2, 3], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 0, 2.1); |
| // Commented out since handled in js, which takes the best fit. |
| // assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastSmiElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([2.1, 1, 2, 3], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 1, 2.2); |
| assertTrue(%HasFastDoubleElements(a3r)); |
| assertTrue(%HasFastDoubleElements(a3)); |
| assertEquals([1], a3r); |
| assertEquals([2.2, 2, 3], a3); |
| |
| a3 = [{},2,3]; |
| a3r = a3.splice(0, 0); |
| assertTrue(%HasFastObjectElements(a3r)); |
| assertTrue(%HasFastObjectElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([{}, 2, 3], a3); |
| a3 = [1,2,{}]; |
| a3r = a3.splice(0, 1); |
| assertTrue(%HasFastObjectElements(a3r)); |
| assertTrue(%HasFastObjectElements(a3)); |
| assertEquals([1], a3r); |
| assertEquals([2, {}], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 0, {}); |
| assertTrue(%HasFastObjectElements(a3r)); |
| assertTrue(%HasFastObjectElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([{}, 1, 2, 3], a3); |
| a3 = [1,2,3]; |
| a3r = a3.splice(0, 1, {}); |
| assertTrue(%HasFastObjectElements(a3r)); |
| assertTrue(%HasFastObjectElements(a3)); |
| assertEquals([1], a3r); |
| assertEquals([{}, 2, 3], a3); |
| |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 0, {}); |
| assertTrue(%HasFastObjectElements(a3r)); |
| assertTrue(%HasFastObjectElements(a3)); |
| assertEquals([], a3r); |
| assertEquals([{}, 1.1, 2, 3], a3); |
| a3 = [1.1,2,3]; |
| a3r = a3.splice(0, 1, {}); |
| assertTrue(%HasFastObjectElements(a3r)); |
| assertTrue(%HasFastObjectElements(a3)); |
| assertEquals([1.1], a3r); |
| assertEquals([{}, 2, 3], a3); |
| |
| // Pop |
| var a4 = [1,2,3]; |
| assertEquals(3, a4.pop()); |
| assertTrue(%HasFastSmiElements(a4)); |
| a4 = [1.1,2,3]; |
| assertEquals(3, a4.pop()); |
| assertTrue(%HasFastDoubleElements(a4)); |
| a4 = [{},2,3]; |
| assertEquals(3, a4.pop()); |
| assertTrue(%HasFastObjectElements(a4)); |
| |
| // Shift |
| var a4 = [1,2,3]; |
| assertEquals(1, a4.shift()); |
| assertTrue(%HasFastSmiElements(a4)); |
| a4 = [1.1,2,3]; |
| assertEquals(1.1, a4.shift()); |
| assertTrue(%HasFastDoubleElements(a4)); |
| a4 = [{},2,3]; |
| assertEquals({}, a4.shift()); |
| assertTrue(%HasFastObjectElements(a4)); |
| |
| // Unshift |
| var a4 = [1,2,3]; |
| a4.unshift(1); |
| assertTrue(%HasFastSmiElements(a4)); |
| assertEquals([1,1,2,3], a4); |
| a4 = [1,2,3]; |
| a4.unshift(1.1); |
| // TODO(verwaest): We'll want to support double unshifting as well. |
| // assertTrue(%HasFastDoubleElements(a4)); |
| assertTrue(%HasFastObjectElements(a4)); |
| assertEquals([1.1,1,2,3], a4); |
| a4 = [1.1,2,3]; |
| a4.unshift(1); |
| // assertTrue(%HasFastDoubleElements(a4)); |
| assertTrue(%HasFastObjectElements(a4)); |
| assertEquals([1,1.1,2,3], a4); |
| a4 = [{},2,3]; |
| a4.unshift(1); |
| assertTrue(%HasFastObjectElements(a4)); |
| assertEquals([1,{},2,3], a4); |
| a4 = [{},2,3]; |
| a4.unshift(1.1); |
| assertTrue(%HasFastObjectElements(a4)); |
| assertEquals([1.1,{},2,3], a4); |
| } |
| |
| if (support_smi_only_arrays) { |
| for (var i = 0; i < 3; i++) { |
| array_natives_test(); |
| } |
| %OptimizeFunctionOnNextCall(array_natives_test); |
| array_natives_test(); |
| } |