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Lana Steuck 2014-11-20 10:58:25 -08:00
commit 35268dc495
12 changed files with 410 additions and 197 deletions
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33
nashorn/test/script/basic/JDK-8049407-big-endian.js Normal file
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/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* Verify DataView behavior with little/big endian
*
* @test
* @run
* @bigendian
*/
var dir = typeof(__DIR__) == 'undefined' ? "test/script/basic/" : __DIR__;
load(dir + "JDK-8049407-payload.js");

1
nashorn/test/script/basic/JDK-8049407-big-endian.js.EXPECTED Normal file
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false

37
nashorn/test/script/basic/JDK-8049407-payload.js Normal file
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/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* Verify DataView behavior with little/big endian
*
* @subtest
* @run
*/
var littleEndian = (function() {
var buffer = new ArrayBuffer(2);
new DataView(buffer).setInt16(0, 256, true);
return new Int16Array(buffer)[0] === 256;
})();
print(littleEndian);

33
nashorn/test/script/basic/JDK-8049407.js Normal file
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/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* Verify DataView behavior with little/big endian
*
* @test
* @run
* @littleendian
*/
var dir = typeof(__DIR__) == 'undefined' ? "test/script/basic/" : __DIR__;
load(dir + "JDK-8049407-payload.js");

1
nashorn/test/script/basic/JDK-8049407.js.EXPECTED Normal file
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@ -0,0 +1 @@
true

33
nashorn/test/script/basic/NASHORN-377-big-endian.js Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* NASHORN-377: Typed arrays.
*
* @test
* @run
* @bigendian
*/
var dir = typeof(__DIR__) == 'undefined' ? "test/script/basic/" : __DIR__;
load(dir + "NASHORN-377-payload.js");

34
nashorn/test/script/basic/NASHORN-377-big-endian.js.EXPECTED Normal file
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@ -0,0 +1,34 @@
8 8 true undefined
[object ArrayBuffer] [object ArrayBuffer] [object Int8Array]
0 8 8 1
0 8 8 1
0 8 8 1
0 8 4 2
0 8 4 2
0 8 2 4
0 8 2 4
0 8 2 4
0 8 1 8
7071727374-807677 7071727374807677
727374-807677 2 6
72737480 2 4
71727374 1 4
717273748076
7071727374807677 1886483059 1954575991
70717273-1020305 1886483059 -16909061
70717273fefdfcfb 1886483059 4278058235
40490fdafefdfcfb 2
400921fb4d12d84a 1
400921fb4d12d84a 1074340347 1293080650
00000000400921fb4d12d84a
400921fb4d12-27b6 400921fb4d12d84a
00-100804d12-27b6 ffff00804d12d84a
0 1 2 3 4 5 6 7
0102030405060708
subarray(2,4)=0304 subarray(-6,-4)=0304
010203040506
03040506 0405
0102030405060708090a0b0c0d0e0f10
slice(4,8)=05060708 slice(-8,-4)=090a0b0c
0102030405060708090a0b0c
060708090a0b

226
nashorn/test/script/basic/NASHORN-377-payload.js Normal file
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@ -0,0 +1,226 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* NASHORN-377: Typed arrays. Payload for litte and big endian platforms.
*
* @subtest
* @run
*/
var types = [Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];
//---------------------------------------------------------------------------
// utility functions
//---------------------------------------------------------------------------
function tohex(d, w) {
var hex = Number(d).toString(16);
var pad = (w ? w : 8) - hex.length;
hex = "00000000".substr(0, pad) + hex;
return hex;
}
function arrstr(a, n, w) {
var s = "";
if (typeof n == "undefined") n = a.length;
if (typeof w == "undefined") w = a.constructor.BYTES_PER_ELEMENT * 2;
for (var i = 0; i < n; i++) {
s += tohex(a[i], w);
}
return s;
}
function bufstr(b) {
if (b.buffer !== undefined) {
b = b.buffer;
}
return arrstr(new Uint8Array(b));
}
function assertFail(f) {
try {
f();
} catch (e) {
//print(e);
return;
}
throw "assertion failed: expected exception";
}
function assertTrue(f) {
if (f() !== true) throw "assertion failed: " + f;
}
function isUndefined(x) {
return typeof x === "undefined";
}
function fillArray(a, start) {
if (typeof start == "undefined") start = 1;
for (var i = 0; i < a.length; i++) {
a[i] = i + start;
}
return a;
}
//---------------------------------------------------------------------------
// tests
//---------------------------------------------------------------------------
(function() {
var b = new ArrayBuffer(8);
var i8 = new Int8Array(b);
print(i8.buffer.byteLength, b.byteLength, i8.buffer === b, b.length);
print(b, i8.buffer, i8);
})();
(function test_attributes() {
var b = new ArrayBuffer(8);
for (var i in types) {
var x = new types[i](b);
print(x.byteOffset, x.byteLength, x.length, x.constructor.BYTES_PER_ELEMENT);
assertTrue(function(){ return x.constructor === types[i] });
}
})();
(function() {
var b = new ArrayBuffer(8);
var i8 = new Int8Array(b);
fillArray(i8, 0x70);
var i8_2 = new Int8Array(b, 2);
var i8_2_4 = new Uint8Array(b, 2, 4);
i8_2_4[3] = 0x80;
print(arrstr(i8, 8, 2) + " " + bufstr(i8));
print(arrstr(i8_2, 6) + " " + i8_2.byteOffset + " " + i8_2.byteLength);
print(arrstr(i8_2_4, 4) + " " + i8_2_4.byteOffset + " " + i8_2_4.byteLength);
var i8_1_5 = i8.subarray(1, 5);
i8_2_4.subarray(1, 5);
print(arrstr(i8_1_5, 4) + " " + i8_1_5.byteOffset + " " + i8_1_5.byteLength);
print(bufstr(b.slice(1,7)));
})();
(function() {
var b = new ArrayBuffer(8);
fillArray(new Int8Array(b), 0x70);
new Int8Array(b)[5] = 0x80;
var i32 = new Int32Array(b);
var u32 = new Uint32Array(b);
print(arrstr(i32), i32[0], i32[1]);
i32[1] = 0xfefdfcfb;
print(arrstr(i32), i32[0], i32[1]);
print(arrstr(u32), u32[0], u32[1]);
var pi = 3.1415926;
var f32 = new Float32Array(b);
var f64 = new Float64Array(b);
f32[0] = pi;
print(bufstr(b), f32.length);
f64[0] = pi;
print(bufstr(b), f64.length);
print(arrstr(u32), u32[0], u32[1]);
var d = new Int32Array(3);
d.set(i32,1);
print(bufstr(d));
var s = new Int16Array(b);
var t = new Uint16Array(b);
print(arrstr(s), arrstr(t));
s[0] = -1; s[1] = 0x80;
print(arrstr(s), arrstr(t));
})();
(function enumerate_properties() {
var i8 = new Int8Array(new ArrayBuffer(8));
var s = ""; for (var i in i8) { s += i + " "; } print(s.trim());
})();
// check that ScriptObject fallback is still working
// DISABLED because correct behavior is unclear
(function() {
// NB: firefox will never set any out-of-bounds or non-array values although it does get both from prototype.
var z = new Uint8Array(4);
z["asdf"] = "asdf"; print(z["asdf"]);
z[0x100000000] = "asdf"; print(z[0x100000000]);
z[-1] = "asdf"; print(z[-1]);
// v8 and nashorn disagree on out-of-bounds uint32 indices: v8 won't go to the prototype.
z[0xf0000000] = "asdf"; print(z[0xf0000000]);
z[0xffffffff] = "asdf"; print(z[0xffffffff]);
z[0x70000000] = "asdf"; print(z[0x70000000]);
// this will work in firefox and nashorn (not in v8).
Uint8Array.prototype[4] = "asdf"; print(z[4]);
});
(function test_exceptions() {
assertFail(function() { new Int32Array(new ArrayBuffer(7)); });
assertFail(function() { new Int32Array(new ArrayBuffer(8), 0, 4); });
assertFail(function() { new Int32Array(new ArrayBuffer(8),-1, 2); });
assertFail(function() { new Int32Array(new ArrayBuffer(8), 0,-1); });
})();
(function test_subarray() {
var x = fillArray(new Int8Array(8));
print(arrstr(x));
print("subarray(2,4)=" + arrstr(x.subarray(2, 4)), "subarray(-6,-4)=" + arrstr(x.subarray(-6, -4))); // negative index refers from the end of the array
print(arrstr(x.subarray(-10, -2))); // negative index clamped to 0
assertTrue(function(){ return arrstr(x.subarray(6, 4)) === ""; }); // negative length clamped to 0
print(arrstr(x.subarray(1,-1).subarray(1,-1)), arrstr(x.subarray(1,-1).subarray(1,-1).subarray(1,-1))); // subarray of subarray
})();
(function test_slice() {
var b = new ArrayBuffer(16);
fillArray(new Int8Array(b));
print(bufstr(b));
print("slice(4,8)=" + bufstr(b.slice(4, 8)), "slice(-8,-4)=" + bufstr(b.slice(-8, -4))); // negative index refers from the end of the array
print(bufstr(b.slice(-20, -4))); // negative index clamped to 0
assertTrue(function(){ return bufstr(b.slice(8, 4)) === ""; }); // negative length clamped to 0
print(arrstr(new Int16Array(b.slice(1,-1).slice(2,-1).slice(1,-2).slice(1,-1)))); // slice of slice
})();
(function test_clamped() {
var a = new Uint8ClampedArray(10);
a[0] = -17; // clamped to 0
a[1] = 4711; // clamped to 255
a[2] = 17.5; // clamped to 18
a[3] = 16.5; // clamped to 16
a[4] = 255.9; // clamped to 255
a[5] = Infinity; // clamped to 255
a[6] = -Infinity; // clamped to 0
a[7] = NaN; // 0
assertTrue(function(){ return a[0] === 0 && a[1] === 255 && a[2] === 18 && a[3] === 16 && a[4] === 255 && a[5] === 255 && a[6] === 0 && a[7] === 0; });
})();
(function test_out_of_bounds() {
var a = new Int32Array(10);
a[10] = 10;
a[100] = 100;
a[1000] = 1000;
assertTrue(function(){ return isUndefined(a[10]) && isUndefined(a[11]) && isUndefined(a[100]) && isUndefined(a[123]) && isUndefined(a[1000]); });
})();

199
nashorn/test/script/basic/NASHORN-377.js
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@ -26,201 +26,8 @@
*
* @test
* @run
* @littleendian
*/
var types = [Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];
//---------------------------------------------------------------------------
// utility functions
//---------------------------------------------------------------------------
function tohex(d, w) {
var hex = Number(d).toString(16);
var pad = (w ? w : 8) - hex.length;
hex = "00000000".substr(0, pad) + hex;
return hex;
}
function arrstr(a, n, w) {
var s = "";
if (typeof n == "undefined") n = a.length;
if (typeof w == "undefined") w = a.constructor.BYTES_PER_ELEMENT * 2;
for (var i = 0; i < n; i++) {
s += tohex(a[i], w);
}
return s;
}
function bufstr(b) {
if (b.buffer !== undefined) {
b = b.buffer;
}
return arrstr(new Uint8Array(b));
}
function assertFail(f) {
try {
f();
} catch (e) {
//print(e);
return;
}
throw "assertion failed: expected exception";
}
function assertTrue(f) {
if (f() !== true) throw "assertion failed: " + f;
}
function isUndefined(x) {
return typeof x === "undefined";
}
function fillArray(a, start) {
if (typeof start == "undefined") start = 1;
for (var i = 0; i < a.length; i++) {
a[i] = i + start;
}
return a;
}
//---------------------------------------------------------------------------
// tests
//---------------------------------------------------------------------------
(function() {
var b = new ArrayBuffer(8);
var i8 = new Int8Array(b);
print(i8.buffer.byteLength, b.byteLength, i8.buffer === b, b.length);
print(b, i8.buffer, i8);
})();
(function test_attributes() {
var b = new ArrayBuffer(8);
for (var i in types) {
var x = new types[i](b);
print(x.byteOffset, x.byteLength, x.length, x.constructor.BYTES_PER_ELEMENT);
assertTrue(function(){ return x.constructor === types[i] });
}
})();
(function() {
var b = new ArrayBuffer(8);
var i8 = new Int8Array(b);
fillArray(i8, 0x70);
var i8_2 = new Int8Array(b, 2);
var i8_2_4 = new Uint8Array(b, 2, 4);
i8_2_4[3] = 0x80;
print(arrstr(i8, 8, 2) + " " + bufstr(i8));
print(arrstr(i8_2, 6) + " " + i8_2.byteOffset + " " + i8_2.byteLength);
print(arrstr(i8_2_4, 4) + " " + i8_2_4.byteOffset + " " + i8_2_4.byteLength);
var i8_1_5 = i8.subarray(1, 5);
i8_2_4.subarray(1, 5);
print(arrstr(i8_1_5, 4) + " " + i8_1_5.byteOffset + " " + i8_1_5.byteLength);
print(bufstr(b.slice(1,7)));
})();
(function() {
var b = new ArrayBuffer(8);
fillArray(new Int8Array(b), 0x70);
new Int8Array(b)[5] = 0x80;
var i32 = new Int32Array(b);
var u32 = new Uint32Array(b);
print(arrstr(i32), i32[0], i32[1]);
i32[1] = 0xfefdfcfb;
print(arrstr(i32), i32[0], i32[1]);
print(arrstr(u32), u32[0], u32[1]);
var pi = 3.1415926;
var f32 = new Float32Array(b);
var f64 = new Float64Array(b);
f32[0] = pi;
print(bufstr(b), f32.length);
f64[0] = pi;
print(bufstr(b), f64.length);
print(arrstr(u32), u32[0], u32[1]);
var d = new Int32Array(3);
d.set(i32,1);
print(bufstr(d));
var s = new Int16Array(b);
var t = new Uint16Array(b);
print(arrstr(s), arrstr(t));
s[0] = -1; s[1] = 0x80;
print(arrstr(s), arrstr(t));
})();
(function enumerate_properties() {
var i8 = new Int8Array(new ArrayBuffer(8));
var s = ""; for (var i in i8) { s += i + " "; } print(s.trim());
})();
// check that ScriptObject fallback is still working
// DISABLED because correct behavior is unclear
(function() {
// NB: firefox will never set any out-of-bounds or non-array values although it does get both from prototype.
var z = new Uint8Array(4);
z["asdf"] = "asdf"; print(z["asdf"]);
z[0x100000000] = "asdf"; print(z[0x100000000]);
z[-1] = "asdf"; print(z[-1]);
// v8 and nashorn disagree on out-of-bounds uint32 indices: v8 won't go to the prototype.
z[0xf0000000] = "asdf"; print(z[0xf0000000]);
z[0xffffffff] = "asdf"; print(z[0xffffffff]);
z[0x70000000] = "asdf"; print(z[0x70000000]);
// this will work in firefox and nashorn (not in v8).
Uint8Array.prototype[4] = "asdf"; print(z[4]);
});
(function test_exceptions() {
assertFail(function() { new Int32Array(new ArrayBuffer(7)); });
assertFail(function() { new Int32Array(new ArrayBuffer(8), 0, 4); });
assertFail(function() { new Int32Array(new ArrayBuffer(8),-1, 2); });
assertFail(function() { new Int32Array(new ArrayBuffer(8), 0,-1); });
})();
(function test_subarray() {
var x = fillArray(new Int8Array(8));
print(arrstr(x));
print("subarray(2,4)=" + arrstr(x.subarray(2, 4)), "subarray(-6,-4)=" + arrstr(x.subarray(-6, -4))); // negative index refers from the end of the array
print(arrstr(x.subarray(-10, -2))); // negative index clamped to 0
assertTrue(function(){ return arrstr(x.subarray(6, 4)) === ""; }); // negative length clamped to 0
print(arrstr(x.subarray(1,-1).subarray(1,-1)), arrstr(x.subarray(1,-1).subarray(1,-1).subarray(1,-1))); // subarray of subarray
})();
(function test_slice() {
var b = new ArrayBuffer(16);
fillArray(new Int8Array(b));
print(bufstr(b));
print("slice(4,8)=" + bufstr(b.slice(4, 8)), "slice(-8,-4)=" + bufstr(b.slice(-8, -4))); // negative index refers from the end of the array
print(bufstr(b.slice(-20, -4))); // negative index clamped to 0
assertTrue(function(){ return bufstr(b.slice(8, 4)) === ""; }); // negative length clamped to 0
print(arrstr(new Int16Array(b.slice(1,-1).slice(2,-1).slice(1,-2).slice(1,-1)))); // slice of slice
})();
(function test_clamped() {
var a = new Uint8ClampedArray(10);
a[0] = -17; // clamped to 0
a[1] = 4711; // clamped to 255
a[2] = 17.5; // clamped to 18
a[3] = 16.5; // clamped to 16
a[4] = 255.9; // clamped to 255
a[5] = Infinity; // clamped to 255
a[6] = -Infinity; // clamped to 0
a[7] = NaN; // 0
assertTrue(function(){ return a[0] === 0 && a[1] === 255 && a[2] === 18 && a[3] === 16 && a[4] === 255 && a[5] === 255 && a[6] === 0 && a[7] === 0; });
})();
(function test_out_of_bounds() {
var a = new Int32Array(10);
a[10] = 10;
a[100] = 100;
a[1000] = 1000;
assertTrue(function(){ return isUndefined(a[10]) && isUndefined(a[11]) && isUndefined(a[100]) && isUndefined(a[123]) && isUndefined(a[1000]); });
})();
var dir = typeof(__DIR__) == 'undefined' ? "test/script/basic/" : __DIR__;
load(dir + "NASHORN-377-payload.js");

1
nashorn/test/script/nosecurity/JDK-8050964.js
View File

@ -50,6 +50,7 @@ var javahome = System.getProperty("java.home");
var jdepsPath = javahome + "/../bin/jdeps".replaceAll(/\//g, File.separater);
// run jdep on nashorn.jar - only summary but print profile info
$ENV.PWD=System.getProperty("user.dir") // to avoid RE on Cygwin
`${jdepsPath} -s -P ${nashornJar.absolutePath}`
// check for "(compact1)" in output from jdep tool

2
nashorn/test/script/nosecurity/JDK-8055034.js
View File

@ -49,7 +49,7 @@ var nashornJarDir = nashornJar.parentFile.absolutePath;
var jjsCmd = javahome + "/../bin/jjs";
jjsCmd += " -J-Djava.ext.dirs=" + nashornJarDir;
jjsCmd = jjsCmd.toString().replaceAll(/\//g, File.separater);
$ENV.PWD=System.getProperty("user.dir") // to avoid RE on Cygwin
$EXEC(jjsCmd, "var x = Object.create(null);\nx;\nprint('PASSED');\nexit(0)");
// $ERR has all interactions including prompts! Just check for error substring.

7
nashorn/test/src/jdk/nashorn/internal/test/framework/TestFinder.java
View File

@ -46,6 +46,7 @@ import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.nio.ByteOrder;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.FileVisitOption;
@ -264,6 +265,12 @@ public final class TestFinder {
isTest = false;
isNotTest = true;
break;
case "@bigendian":
shouldRun = ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN;
break;
case "@littleendian":
shouldRun = ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN;
break;
case "@runif": {
final String prop = scanner.next();
if (System.getProperty(prop) != null) {