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187
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1 var something = null;
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2
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3 TEST('return value', function()
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4 {
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5 var fn_1 = function(){
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6 };
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7
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8 something = undefined;
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9 assert( fn_1() === something );
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10
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11 var fn_2 = function(){
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12 // start
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13 return 42;
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14 // end
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15 };
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16
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17 something = undefined;
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18 assert( fn_2() === 42 );
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19 });
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188
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20
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21
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22 TEST('parameters', function()
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23 {
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24 var something = null;
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25
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26 var fn = function(a, b, c){
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27 // start
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28 return b;
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29 // stop
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30 };
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31
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32 assert( fn(1, 2, 3) === 2 );
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33 assert( fn(4, 5, 6) === 5 );
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34
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35 something = 8;
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36 assert( fn(7, 8) === something );
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37
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38 something = 10;
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39 assert( fn(9, 10, 11, 12) === something );
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40
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41 something = undefined;
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42 assert( fn(13) === something );
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43
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44 something = undefined;
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45 assert( fn() === something );
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46 });
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189
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47
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48
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49 TEST('arguments', function()
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50 {
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51 var something = null;
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52
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53 // 1
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54 var fn_1 = function(){
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55 return arguments.length;
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56 };
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57
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58 something = 0;
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59 assert( fn_1() === 0 );
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60 something = 1;
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61 assert( fn_1(0) === something );
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62 something = 2;
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63 assert( fn_1(0, 0) === something );
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64 something = 3;
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65 assert( fn_1(0, 0, 0) === something );
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66
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67
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68 // 2
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69 var fn_2 = function(i){
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70 return arguments[i];
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71 };
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72
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73 something = 0;
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74 assert( fn_2(0) === something );
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75 something = 1;
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76 assert( fn_2(1, 1, 2) === something );
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77 something = 11;
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78 assert( fn_2(2, 10, 11) === something );
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79 });
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