| // 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 |
| |
| // Helper |
| function assertInstance(o, f) { |
| assertSame(o.constructor, f); |
| assertInstanceof(o, f); |
| } |
| |
| // This is a regression test for overlapping key and value registers. |
| function f(a) { |
| a[0] = 0; |
| a[1] = 0; |
| } |
| |
| var a = new Int32Array(2); |
| for (var i = 0; i < 5; i++) { |
| f(a); |
| } |
| %OptimizeFunctionOnNextCall(f); |
| f(a); |
| |
| assertEquals(0, a[0]); |
| assertEquals(0, a[1]); |
| |
| // Test derivation from an ArrayBuffer |
| var ab = new ArrayBuffer(12); |
| assertInstance(ab, ArrayBuffer); |
| var derived_uint8 = new Uint8Array(ab); |
| assertInstance(derived_uint8, Uint8Array); |
| assertSame(ab, derived_uint8.buffer); |
| assertEquals(12, derived_uint8.length); |
| assertEquals(12, derived_uint8.byteLength); |
| assertEquals(0, derived_uint8.byteOffset); |
| assertEquals(1, derived_uint8.BYTES_PER_ELEMENT); |
| var derived_uint8_2 = new Uint8Array(ab,7); |
| assertInstance(derived_uint8_2, Uint8Array); |
| assertSame(ab, derived_uint8_2.buffer); |
| assertEquals(5, derived_uint8_2.length); |
| assertEquals(5, derived_uint8_2.byteLength); |
| assertEquals(7, derived_uint8_2.byteOffset); |
| assertEquals(1, derived_uint8_2.BYTES_PER_ELEMENT); |
| var derived_int16 = new Int16Array(ab); |
| assertInstance(derived_int16, Int16Array); |
| assertSame(ab, derived_int16.buffer); |
| assertEquals(6, derived_int16.length); |
| assertEquals(12, derived_int16.byteLength); |
| assertEquals(0, derived_int16.byteOffset); |
| assertEquals(2, derived_int16.BYTES_PER_ELEMENT); |
| var derived_int16_2 = new Int16Array(ab,6); |
| assertInstance(derived_int16_2, Int16Array); |
| assertSame(ab, derived_int16_2.buffer); |
| assertEquals(3, derived_int16_2.length); |
| assertEquals(6, derived_int16_2.byteLength); |
| assertEquals(6, derived_int16_2.byteOffset); |
| assertEquals(2, derived_int16_2.BYTES_PER_ELEMENT); |
| var derived_uint32 = new Uint32Array(ab); |
| assertInstance(derived_uint32, Uint32Array); |
| assertSame(ab, derived_uint32.buffer); |
| assertEquals(3, derived_uint32.length); |
| assertEquals(12, derived_uint32.byteLength); |
| assertEquals(0, derived_uint32.byteOffset); |
| assertEquals(4, derived_uint32.BYTES_PER_ELEMENT); |
| var derived_uint32_2 = new Uint32Array(ab,4); |
| assertInstance(derived_uint32_2, Uint32Array); |
| assertSame(ab, derived_uint32_2.buffer); |
| assertEquals(2, derived_uint32_2.length); |
| assertEquals(8, derived_uint32_2.byteLength); |
| assertEquals(4, derived_uint32_2.byteOffset); |
| assertEquals(4, derived_uint32_2.BYTES_PER_ELEMENT); |
| var derived_uint32_3 = new Uint32Array(ab,4,1); |
| assertInstance(derived_uint32_3, Uint32Array); |
| assertSame(ab, derived_uint32_3.buffer); |
| assertEquals(1, derived_uint32_3.length); |
| assertEquals(4, derived_uint32_3.byteLength); |
| assertEquals(4, derived_uint32_3.byteOffset); |
| assertEquals(4, derived_uint32_3.BYTES_PER_ELEMENT); |
| var derived_float64 = new Float64Array(ab,0,1); |
| assertInstance(derived_float64, Float64Array); |
| assertSame(ab, derived_float64.buffer); |
| assertEquals(1, derived_float64.length); |
| assertEquals(8, derived_float64.byteLength); |
| assertEquals(0, derived_float64.byteOffset); |
| assertEquals(8, derived_float64.BYTES_PER_ELEMENT); |
| |
| // If a given byteOffset and length references an area beyond the end of the |
| // ArrayBuffer an exception is raised. |
| function abfunc3() { |
| new Uint32Array(ab,4,3); |
| } |
| assertThrows(abfunc3); |
| function abfunc4() { |
| new Uint32Array(ab,16); |
| } |
| assertThrows(abfunc4); |
| |
| // The given byteOffset must be a multiple of the element size of the specific |
| // type, otherwise an exception is raised. |
| function abfunc5() { |
| new Uint32Array(ab,5); |
| } |
| assertThrows(abfunc5); |
| |
| // If length is not explicitly specified, the length of the ArrayBuffer minus |
| // the byteOffset must be a multiple of the element size of the specific type, |
| // or an exception is raised. |
| var ab2 = new ArrayBuffer(13); |
| function abfunc6() { |
| new Uint32Array(ab2,4); |
| } |
| assertThrows(abfunc6); |
| |
| // Test that an array constructed without an array buffer creates one properly. |
| a = new Uint8Array(31); |
| assertEquals(a.byteLength, a.buffer.byteLength); |
| assertEquals(a.length, a.buffer.byteLength); |
| assertEquals(a.length * a.BYTES_PER_ELEMENT, a.buffer.byteLength); |
| a = new Int16Array(5); |
| assertEquals(a.byteLength, a.buffer.byteLength); |
| assertEquals(a.length * a.BYTES_PER_ELEMENT, a.buffer.byteLength); |
| a = new Float64Array(7); |
| assertEquals(a.byteLength, a.buffer.byteLength); |
| assertEquals(a.length * a.BYTES_PER_ELEMENT, a.buffer.byteLength); |
| |
| // Test that an implicitly created buffer is a valid buffer. |
| a = new Float64Array(7); |
| assertSame(a.buffer, (new Uint16Array(a.buffer)).buffer); |
| assertSame(a.buffer, (new Float32Array(a.buffer,4)).buffer); |
| assertSame(a.buffer, (new Int8Array(a.buffer,3,51)).buffer); |
| assertInstance(a.buffer, ArrayBuffer); |
| |
| // Test the correct behavior of the |BYTES_PER_ELEMENT| property |
| a = new Int32Array(2); |
| assertEquals(4, a.BYTES_PER_ELEMENT); |
| a.BYTES_PER_ELEMENT = 42; |
| a = new Uint8Array(2); |
| assertEquals(1, a.BYTES_PER_ELEMENT); |
| a = new Int16Array(2); |
| assertEquals(2, a.BYTES_PER_ELEMENT); |
| |
| // Test Float64Arrays. |
| function get(a, index) { |
| return a[index]; |
| } |
| function set(a, index, value) { |
| a[index] = value; |
| } |
| function temp() { |
| var array = new Float64Array(2); |
| for (var i = 0; i < 5; i++) { |
| set(array, 0, 2.5); |
| assertEquals(2.5, array[0]); |
| } |
| %OptimizeFunctionOnNextCall(set); |
| set(array, 0, 2.5); |
| assertEquals(2.5, array[0]); |
| set(array, 1, 3.5); |
| assertEquals(3.5, array[1]); |
| for (var i = 0; i < 5; i++) { |
| assertEquals(2.5, get(array, 0)); |
| assertEquals(3.5, array[1]); |
| } |
| %OptimizeFunctionOnNextCall(get); |
| assertEquals(2.5, get(array, 0)); |
| assertEquals(3.5, get(array, 1)); |
| } |
| |
| // Test non-number parameters. |
| var array_with_length_from_non_number = new Int32Array("2"); |
| assertEquals(2, array_with_length_from_non_number.length); |
| |
| // Test loads and stores. |
| types = [Array, Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, |
| Uint32Array, Uint8ClampedArray, Float32Array, Float64Array]; |
| |
| test_result_nan = [NaN, 0, 0, 0, 0, 0, 0, 0, NaN, NaN]; |
| test_result_low_int = [-1, -1, 255, -1, 65535, -1, 0xFFFFFFFF, 0, -1, -1]; |
| test_result_low_double = [-1.25, -1, 255, -1, 65535, -1, 0xFFFFFFFF, 0, -1.25, -1.25]; |
| test_result_middle = [253.75, -3, 253, 253, 253, 253, 253, 254, 253.75, 253.75]; |
| test_result_high_int = [256, 0, 0, 256, 256, 256, 256, 255, 256, 256]; |
| test_result_high_double = [256.25, 0, 0, 256, 256, 256, 256, 255, 256.25, 256.25]; |
| |
| const kElementCount = 40; |
| |
| function test_load(array, sum) { |
| for (var i = 0; i < kElementCount; i++) { |
| sum += array[i]; |
| } |
| return sum; |
| } |
| |
| function test_load_const_key(array, sum) { |
| sum += array[0]; |
| sum += array[1]; |
| sum += array[2]; |
| return sum; |
| } |
| |
| function test_store(array, sum) { |
| for (var i = 0; i < kElementCount; i++) { |
| sum += array[i] = i+1; |
| } |
| return sum; |
| } |
| |
| function test_store_const_key(array, sum) { |
| sum += array[0] = 1; |
| sum += array[1] = 2; |
| sum += array[2] = 3; |
| return sum; |
| } |
| |
| function zero() { |
| return 0.0; |
| } |
| |
| function test_store_middle_tagged(array, sum) { |
| array[0] = 253.75; |
| return array[0]; |
| } |
| |
| function test_store_high_tagged(array, sum) { |
| array[0] = 256.25; |
| return array[0]; |
| } |
| |
| function test_store_middle_double(array, sum) { |
| array[0] = 253.75 + zero(); // + forces double type feedback |
| return array[0]; |
| } |
| |
| function test_store_high_double(array, sum) { |
| array[0] = 256.25 + zero(); // + forces double type feedback |
| return array[0]; |
| } |
| |
| function test_store_high_double(array, sum) { |
| array[0] = 256.25; |
| return array[0]; |
| } |
| |
| function test_store_low_int(array, sum) { |
| array[0] = -1; |
| return array[0]; |
| } |
| |
| function test_store_low_tagged(array, sum) { |
| array[0] = -1.25; |
| return array[0]; |
| } |
| |
| function test_store_low_double(array, sum) { |
| array[0] = -1.25 + zero(); // + forces double type feedback |
| return array[0]; |
| } |
| |
| function test_store_high_int(array, sum) { |
| array[0] = 256; |
| return array[0]; |
| } |
| |
| function test_store_nan(array, sum) { |
| array[0] = NaN; |
| return array[0]; |
| } |
| |
| const kRuns = 10; |
| |
| function run_test(test_func, array, expected_result) { |
| for (var i = 0; i < 5; i++) test_func(array, 0); |
| %OptimizeFunctionOnNextCall(test_func); |
| var sum = 0; |
| for (var i = 0; i < kRuns; i++) { |
| sum = test_func(array, sum); |
| } |
| assertEquals(expected_result, sum); |
| %DeoptimizeFunction(test_func); |
| %ClearFunctionFeedback(test_func); |
| } |
| |
| function run_bounds_test(test_func, array, expected_result) { |
| assertEquals(undefined, a[kElementCount]); |
| a[kElementCount] = 456; |
| assertEquals(undefined, a[kElementCount]); |
| assertEquals(undefined, a[kElementCount+1]); |
| a[kElementCount+1] = 456; |
| assertEquals(undefined, a[kElementCount+1]); |
| } |
| |
| for (var t = 0; t < types.length; t++) { |
| var type = types[t]; |
| var a = new type(kElementCount); |
| |
| for (var i = 0; i < kElementCount; i++) { |
| a[i] = i; |
| } |
| |
| // Run test functions defined above. |
| run_test(test_load, a, 780 * kRuns); |
| run_test(test_load_const_key, a, 3 * kRuns); |
| run_test(test_store, a, 820 * kRuns); |
| run_test(test_store_const_key, a, 6 * kRuns); |
| run_test(test_store_low_int, a, test_result_low_int[t]); |
| run_test(test_store_low_double, a, test_result_low_double[t]); |
| run_test(test_store_low_tagged, a, test_result_low_double[t]); |
| run_test(test_store_high_int, a, test_result_high_int[t]); |
| run_test(test_store_nan, a, test_result_nan[t]); |
| run_test(test_store_middle_double, a, test_result_middle[t]); |
| run_test(test_store_middle_tagged, a, test_result_middle[t]); |
| run_test(test_store_high_double, a, test_result_high_double[t]); |
| run_test(test_store_high_tagged, a, test_result_high_double[t]); |
| |
| // Test the correct behavior of the |length| property (which is read-only). |
| if (t != 0) { |
| assertEquals(kElementCount, a.length); |
| a.length = 2; |
| assertEquals(kElementCount, a.length); |
| assertTrue(delete a.length); |
| |
| // Make sure bounds checks are handled correctly for external arrays. |
| run_bounds_test(a); |
| run_bounds_test(a); |
| run_bounds_test(a); |
| %OptimizeFunctionOnNextCall(run_bounds_test); |
| run_bounds_test(a); |
| %DeoptimizeFunction(run_bounds_test); |
| %ClearFunctionFeedback(run_bounds_test); |
| } |
| |
| function array_load_set_smi_check(a) { |
| return a[0] = a[0] = 1; |
| } |
| |
| array_load_set_smi_check(a); |
| array_load_set_smi_check(0); |
| |
| function array_load_set_smi_check2(a) { |
| return a[0] = a[0] = 1; |
| } |
| |
| array_load_set_smi_check2(a); |
| %OptimizeFunctionOnNextCall(array_load_set_smi_check2); |
| array_load_set_smi_check2(a); |
| array_load_set_smi_check2(0); |
| %DeoptimizeFunction(array_load_set_smi_check2); |
| %ClearFunctionFeedback(array_load_set_smi_check2); |
| } |
| |
| // Check handling of undefined in 32- and 64-bit external float arrays. |
| |
| function store_float32_undefined(ext_array) { |
| ext_array[0] = undefined; |
| } |
| |
| var float32_array = new Float32Array(1); |
| // Make sure runtime does it right |
| store_float32_undefined(float32_array); |
| assertTrue(isNaN(float32_array[0])); |
| // Make sure the ICs do it right |
| store_float32_undefined(float32_array); |
| assertTrue(isNaN(float32_array[0])); |
| // Make sure that Cranskshft does it right. |
| %OptimizeFunctionOnNextCall(store_float32_undefined); |
| store_float32_undefined(float32_array); |
| assertTrue(isNaN(float32_array[0])); |
| |
| function store_float64_undefined(ext_array) { |
| ext_array[0] = undefined; |
| } |
| |
| var float64_array = new Float64Array(1); |
| // Make sure runtime does it right |
| store_float64_undefined(float64_array); |
| assertTrue(isNaN(float64_array[0])); |
| // Make sure the ICs do it right |
| store_float64_undefined(float64_array); |
| assertTrue(isNaN(float64_array[0])); |
| // Make sure that Cranskshft does it right. |
| %OptimizeFunctionOnNextCall(store_float64_undefined); |
| store_float64_undefined(float64_array); |
| assertTrue(isNaN(float64_array[0])); |
| |
| |
| // Check handling of 0-sized buffers and arrays. |
| ab = new ArrayBuffer(0); |
| assertInstance(ab, ArrayBuffer); |
| assertEquals(0, ab.byteLength); |
| a = new Int8Array(ab); |
| assertInstance(a, Int8Array); |
| assertEquals(0, a.byteLength); |
| assertEquals(0, a.length); |
| a[0] = 1; |
| assertEquals(undefined, a[0]); |
| ab = new ArrayBuffer(16); |
| assertInstance(ab, ArrayBuffer); |
| a = new Float32Array(ab,4,0); |
| assertInstance(a, Float32Array); |
| assertEquals(0, a.byteLength); |
| assertEquals(0, a.length); |
| a[0] = 1; |
| assertEquals(undefined, a[0]); |
| a = new Uint16Array(0); |
| assertInstance(a, Uint16Array); |
| assertEquals(0, a.byteLength); |
| assertEquals(0, a.length); |
| a[0] = 1; |
| assertEquals(undefined, a[0]); |
| |
| // Check construction from arrays. |
| a = new Uint32Array([]); |
| assertInstance(a, Uint32Array); |
| assertEquals(0, a.length); |
| assertEquals(0, a.byteLength); |
| assertEquals(0, a.buffer.byteLength); |
| assertEquals(4, a.BYTES_PER_ELEMENT); |
| assertInstance(a.buffer, ArrayBuffer); |
| a = new Uint16Array([1,2,3]); |
| assertInstance(a, Uint16Array); |
| assertEquals(3, a.length); |
| assertEquals(6, a.byteLength); |
| assertEquals(6, a.buffer.byteLength); |
| assertEquals(2, a.BYTES_PER_ELEMENT); |
| assertEquals(1, a[0]); |
| assertEquals(3, a[2]); |
| assertInstance(a.buffer, ArrayBuffer); |
| a = new Uint32Array(a); |
| assertInstance(a, Uint32Array); |
| assertEquals(3, a.length); |
| assertEquals(12, a.byteLength); |
| assertEquals(12, a.buffer.byteLength); |
| assertEquals(4, a.BYTES_PER_ELEMENT); |
| assertEquals(1, a[0]); |
| assertEquals(3, a[2]); |
| assertInstance(a.buffer, ArrayBuffer); |
| |
| // Check subarrays. |
| a = new Uint16Array([1,2,3,4,5,6]); |
| aa = a.subarray(3); |
| assertInstance(aa, Uint16Array); |
| assertEquals(3, aa.length); |
| assertEquals(6, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(3,5); |
| assertInstance(aa, Uint16Array); |
| assertEquals(2, aa.length); |
| assertEquals(4, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(4,8); |
| assertInstance(aa, Uint16Array); |
| assertEquals(2, aa.length); |
| assertEquals(4, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(9); |
| assertInstance(aa, Uint16Array); |
| assertEquals(0, aa.length); |
| assertEquals(0, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(-4); |
| assertInstance(aa, Uint16Array); |
| assertEquals(4, aa.length); |
| assertEquals(8, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(-3,-1); |
| assertInstance(aa, Uint16Array); |
| assertEquals(2, aa.length); |
| assertEquals(4, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(3,2); |
| assertInstance(aa, Uint16Array); |
| assertEquals(0, aa.length); |
| assertEquals(0, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(-3,-4); |
| assertInstance(aa, Uint16Array); |
| assertEquals(0, aa.length); |
| assertEquals(0, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| aa = a.subarray(0,-8); |
| assertInstance(aa, Uint16Array); |
| assertEquals(0, aa.length); |
| assertEquals(0, aa.byteLength); |
| assertEquals(2, aa.BYTES_PER_ELEMENT); |
| assertSame(a.buffer, aa.buffer); |
| |
| assertThrows(function(){ a.subarray.call({}, 0) }); |
| assertThrows(function(){ a.subarray.call([], 0) }); |
| |
| // Try to call constructors directly as functions, and through .call |
| // and .apply. Should fail. |
| |
| assertThrows(function() { ArrayBuffer(100); }, TypeError); |
| assertThrows(function() { Int8Array(b, 5, 77); }, TypeError); |
| assertThrows(function() { ArrayBuffer.call(null, 10); }, TypeError); |
| assertThrows(function() { Uint16Array.call(null, b, 2, 4); }, TypeError); |
| assertThrows(function() { ArrayBuffer.apply(null, [1000]); }, TypeError); |
| assertThrows(function() { Float32Array.apply(null, [b, 128, 1]); }, TypeError); |
| |
| // Test array.set in different combinations. |
| var b = new ArrayBuffer(4) |
| |
| function assertArrayPrefix(expected, array) { |
| for (var i = 0; i < expected.length; ++i) { |
| assertEquals(expected[i], array[i]); |
| } |
| } |
| |
| var a11 = new Int16Array([1, 2, 3, 4, 0, -1]) |
| var a12 = new Uint16Array(15) |
| a12.set(a11, 3) |
| assertArrayPrefix([0, 0, 0, 1, 2, 3, 4, 0, 0xffff, 0, 0], a12) |
| assertThrows(function(){ a11.set(a12) }) |
| |
| var a21 = [1, undefined, 10, NaN, 0, -1, {valueOf: function() {return 3}}] |
| var a22 = new Int32Array(12) |
| a22.set(a21, 2) |
| assertArrayPrefix([0, 0, 1, 0, 10, 0, 0, -1, 3, 0], a22) |
| |
| var a31 = new Float32Array([2, 4, 6, 8, 11, NaN, 1/0, -3]) |
| var a32 = a31.subarray(2, 6) |
| a31.set(a32, 4) |
| assertArrayPrefix([2, 4, 6, 8, 6, 8, 11, NaN], a31) |
| assertArrayPrefix([6, 8, 6, 8], a32) |
| |
| var a4 = new Uint8ClampedArray([3,2,5,6]) |
| a4.set(a4) |
| assertArrayPrefix([3, 2, 5, 6], a4) |
| |
| // Cases with overlapping backing store but different element sizes. |
| var b = new ArrayBuffer(4) |
| var a5 = new Int16Array(b) |
| var a50 = new Int8Array(b) |
| var a51 = new Int8Array(b, 0, 2) |
| var a52 = new Int8Array(b, 1, 2) |
| var a53 = new Int8Array(b, 2, 2) |
| |
| a5.set([0x5050, 0x0a0a]) |
| assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50) |
| assertArrayPrefix([0x50, 0x50], a51) |
| assertArrayPrefix([0x50, 0x0a], a52) |
| assertArrayPrefix([0x0a, 0x0a], a53) |
| |
| a50.set([0x50, 0x50, 0x0a, 0x0a]) |
| a51.set(a5) |
| assertArrayPrefix([0x50, 0x0a, 0x0a, 0x0a], a50) |
| |
| a50.set([0x50, 0x50, 0x0a, 0x0a]) |
| a52.set(a5) |
| assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50) |
| |
| a50.set([0x50, 0x50, 0x0a, 0x0a]) |
| a53.set(a5) |
| assertArrayPrefix([0x50, 0x50, 0x50, 0x0a], a50) |
| |
| a50.set([0x50, 0x51, 0x0a, 0x0b]) |
| a5.set(a51) |
| assertArrayPrefix([0x0050, 0x0051], a5) |
| |
| a50.set([0x50, 0x51, 0x0a, 0x0b]) |
| a5.set(a52) |
| assertArrayPrefix([0x0051, 0x000a], a5) |
| |
| a50.set([0x50, 0x51, 0x0a, 0x0b]) |
| a5.set(a53) |
| assertArrayPrefix([0x000a, 0x000b], a5) |
| |
| // Mixed types of same size. |
| var a61 = new Float32Array([1.2, 12.3]) |
| var a62 = new Int32Array(2) |
| a62.set(a61) |
| assertArrayPrefix([1, 12], a62) |
| a61.set(a62) |
| assertArrayPrefix([1, 12], a61) |
| |
| // Invalid source |
| assertThrows(function() { a.set(0); }, TypeError); |
| assertArrayPrefix([1,2,3,4,5,6], a); |
| a.set({}); // does not throw |
| assertArrayPrefix([1,2,3,4,5,6], a); |
| |
| |
| // Test arraybuffer.slice |
| |
| var a0 = new Int8Array([1, 2, 3, 4, 5, 6]) |
| var b0 = a0.buffer |
| |
| var b1 = b0.slice(0) |
| assertEquals(b0.byteLength, b1.byteLength) |
| assertArrayPrefix([1, 2, 3, 4, 5, 6], new Int8Array(b1)) |
| |
| var b2 = b0.slice(3) |
| assertEquals(b0.byteLength - 3, b2.byteLength) |
| assertArrayPrefix([4, 5, 6], new Int8Array(b2)) |
| |
| var b3 = b0.slice(2, 4) |
| assertEquals(2, b3.byteLength) |
| assertArrayPrefix([3, 4], new Int8Array(b3)) |
| |
| function goo(a, i) { |
| return a[i]; |
| } |
| |
| function boo(a, i, v) { |
| return a[i] = v; |
| } |
| |
| function do_tagged_index_external_array_test(constructor) { |
| var t_array = new constructor([1, 2, 3, 4, 5, 6]); |
| assertEquals(1, goo(t_array, 0)); |
| assertEquals(1, goo(t_array, 0)); |
| boo(t_array, 0, 13); |
| assertEquals(13, goo(t_array, 0)); |
| %OptimizeFunctionOnNextCall(goo); |
| %OptimizeFunctionOnNextCall(boo); |
| boo(t_array, 0, 15); |
| assertEquals(15, goo(t_array, 0)); |
| %ClearFunctionFeedback(goo); |
| %ClearFunctionFeedback(boo); |
| } |
| |
| do_tagged_index_external_array_test(Int8Array); |
| do_tagged_index_external_array_test(Uint8Array); |
| do_tagged_index_external_array_test(Int16Array); |
| do_tagged_index_external_array_test(Uint16Array); |
| do_tagged_index_external_array_test(Int32Array); |
| do_tagged_index_external_array_test(Uint32Array); |
| do_tagged_index_external_array_test(Float32Array); |
| do_tagged_index_external_array_test(Float64Array); |
| |
| var built_in_array = new Array(1, 2, 3, 4, 5, 6); |
| assertEquals(1, goo(built_in_array, 0)); |
| assertEquals(1, goo(built_in_array, 0)); |
| %OptimizeFunctionOnNextCall(goo); |
| %OptimizeFunctionOnNextCall(boo); |
| boo(built_in_array, 0, 11); |
| assertEquals(11, goo(built_in_array, 0)); |
| %ClearFunctionFeedback(goo); |
| %ClearFunctionFeedback(boo); |
| |
| built_in_array = new Array(1.5, 2, 3, 4, 5, 6); |
| assertEquals(1.5, goo(built_in_array, 0)); |
| assertEquals(1.5, goo(built_in_array, 0)); |
| %OptimizeFunctionOnNextCall(goo); |
| %OptimizeFunctionOnNextCall(boo); |
| boo(built_in_array, 0, 2.5); |
| assertEquals(2.5, goo(built_in_array, 0)); |
| %ClearFunctionFeedback(goo); |
| %ClearFunctionFeedback(boo); |
| |
| // Check all int range edge cases |
| function checkRange() { |
| var e32 = Math.pow(2,32); var e31 = Math.pow(2,31); |
| var e16 = Math.pow(2,16); var e15 = Math.pow(2,15); |
| var e8 = Math.pow(2,8); var e7 = Math.pow(2,7); |
| var a7 = new Uint32Array(2); var a71 = new Int32Array(2); |
| var a72 = new Uint16Array(2); var a73 = new Int16Array(2); |
| var a74 = new Uint8Array(2); var a75 = new Int8Array(2); |
| for (i = 1; i <= Math.pow(2,33); i *= 2) { |
| var j = i-1; |
| a7[0] = i; a71[0] = i; a72[0] = i; a73[0] = i; a74[0] = i; a75[0] = i; |
| a7[1] = j; a71[1] = j; a72[1] = j; a73[1] = j; a74[1] = j; a75[1] = j; |
| |
| if (i < e32) { assertEquals(a7[0], i); } else { assertEquals(a7[0], 0); } |
| if (j < e32) { assertEquals(a7[1], j); } else { assertEquals(a7[1],e32-1); } |
| if (i < e31) { assertEquals(a71[0], i); } else { |
| assertEquals(a71[0], (i < e32) ? -e31 : 0 ); } |
| if (j < e31) { assertEquals(a71[1], j); } else { assertEquals(a71[1], -1); } |
| |
| if (i < e16) { assertEquals(a72[0], i); } else { assertEquals(a72[0], 0); } |
| if (j < e16) { assertEquals(a72[1], j); } else { assertEquals(a72[1], e16-1); } |
| if (i < e15) { assertEquals(a73[0], i); } else { |
| assertEquals(a73[0], (i < e16) ? -e15 : 0 ); } |
| if (j < e15) { assertEquals(a73[1], j); } else { assertEquals(a73[1], -1); } |
| |
| if (i < e8) { assertEquals(a74[0], i); } else { assertEquals(a74[0], 0); } |
| if (j < e8) { assertEquals(a74[1], j); } else { assertEquals(a74[1], e8-1); } |
| if (i < e7) { assertEquals(a75[0], i); } else { |
| assertEquals(a75[0], (i < e8) ? -e7 : 0); } |
| if (j < e7) { assertEquals(a75[1], j); } else { assertEquals(a75[1], -1); } |
| } |
| } |
| checkRange(); |
