mongo/jstests/tool/exportimport4.js

// exportimport4.js

t = new ToolTest("exportimport4");
c = t.startDB("foo");

install_test_data = function() {
    c.drop();

    assert.eq(0, c.count(), "setup1");

    c.save({a: [1, 2, 3, NaN, 4, null, 5]});
    c.save({a: [1, 2, 3, 4, 5]});
    c.save({a: [NaN]});
    c.save({a: [1, 2, 3, 4, NaN, NaN, 5, NaN]});
    c.save({a: [1, 2, 3, 4, null, null, 5, null]});

    assert.eq(5, c.count(), "setup2");
};

// attempt to export fields without NaN
install_test_data();

t.runTool(
    "export", "--out", t.extFile, "-d", t.baseName, "-c", "foo", "-q", "{a:{\"$nin\":[NaN]}}");

c.drop();
assert.eq(0, c.count(), "after drop", "-d", t.baseName, "-c", "foo");

t.runTool("import", "--file", t.extFile, "-d", t.baseName, "-c", "foo", "--drop");

assert.eq(2, c.count(), "after restore 1");

// attempt to export fields with NaN
install_test_data();

t.runTool("export", "--out", t.extFile, "-d", t.baseName, "-c", "foo", "-q", "{a:NaN}");

c.drop();
assert.eq(0, c.count(), "after drop", "-d", t.baseName, "-c", "foo");

t.runTool("import", "--file", t.extFile, "-d", t.baseName, "-c", "foo", "--drop");

assert.eq(3, c.count(), "after restore 2");

// attempt to export everything
install_test_data();

t.runTool("export", "--out", t.extFile, "-d", t.baseName, "-c", "foo");

c.drop();
assert.eq(0, c.count(), "after drop", "-d", t.baseName, "-c", "foo");

t.runTool("import", "--file", t.extFile, "-d", t.baseName, "-c", "foo", "--drop");

assert.eq(5, c.count(), "after restore 3");

t.stop();