Replace checks in old tests with assert.sameValue

Many old tests use custom checks with if and throwing a custom error instead of using `assert.sameValue`, this replaces most cases.

test/built-ins/Array/property-cast-number.js

@@ -16,23 +16,15 @@ assert.sameValue(x["4294967296"], 1, 'The value of x["4294967296"] is expected t
 
 var y = [];
 y[4294967297] = 1;
-if (y[1] !== undefined) {
-  throw new Test262Error('#3: y = []; y[4294967297] = 1; y[1] === undefined. Actual: ' + (y[1]));
-}
+assert.sameValue(y[1], undefined, '#3: y = []; y[4294967297] = 1; y[1] === undefined');
 
 //CHECK#4
-if (y["4294967297"] !== 1) {
-  throw new Test262Error('#4: y = []; y[4294967297] = 1; y["4294967297"] === 1. Actual: ' + (y["4294967297"]));
-}
+assert.sameValue(y["4294967297"], 1, '#4: y = []; y[4294967297] = 1; y["4294967297"] === 1');
 
 //CHECK#5
 var z = [];
 z[1.1] = 1;
-if (z[1] !== undefined) {
-  throw new Test262Error('#5: z = []; z[1.1] = 1; z[1] === undefined. Actual: ' + (z[1]));
-}
+assert.sameValue(z[1], undefined, '#5: z = []; z[1.1] = 1; z[1] === undefined');
 
 //CHECK#6
-if (z["1.1"] !== 1) {
-  throw new Test262Error('#6: z = []; z[1.1] = 1; z["1.1"] === 1. Actual: ' + (z["1.1"]));
-}
+assert.sameValue(z["1.1"], 1, '#6: z = []; z[1.1] = 1; z["1.1"] === 1');

test/built-ins/Array/prototype/join/S15.4.4.5_A1.1_T1.js

@@ -8,13 +8,9 @@ description: Checking this use new Array() and []
 ---*/
 
 var x = new Array();
-if (x.join() !== "") {
-  throw new Test262Error('#1: x = new Array(); x.join() === "". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "", '#1: x = new Array(); x.join() === ""');
 
 x = [];
 x[0] = 1;
 x.length = 0;
-if (x.join() !== "") {
-  throw new Test262Error('#2: x = []; x[0] = 1; x.length = 0; x.join() === "". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "", '#2: x = []; x[0] = 1; x.length = 0; x.join() === ""');

test/built-ins/Array/prototype/join/S15.4.4.5_A1.2_T1.js

@@ -8,19 +8,13 @@ description: Checking this use new Array() and []
 ---*/
 
 var x = new Array(0, 1, 2, 3);
-if (x.join() !== "0,1,2,3") {
-  throw new Test262Error('#1: x = new Array(0,1,2,3); x.join() === "0,1,2,3". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "0,1,2,3", '#1: x = new Array(0,1,2,3); x.join() === "0,1,2,3"');
 
 x = [];
 x[0] = 0;
 x[3] = 3;
-if (x.join() !== "0,,,3") {
-  throw new Test262Error('#2: x = []; x[0] = 0; x[3] = 3; x.join() === "0,,,3". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "0,,,3", '#2: x = []; x[0] = 0; x[3] = 3; x.join() === "0,,,3"');
 
 x = [];
 x[0] = 0;
-if (x.join() !== "0") {
-  throw new Test262Error('#3: x = []; x[0] = 0; x.join() === "0". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "0", '#3: x = []; x[0] = 0; x.join() === "0"');

test/built-ins/Array/prototype/join/S15.4.4.5_A1.2_T2.js

@@ -8,19 +8,13 @@ description: Checking this use new Array() and []
 ---*/
 
 var x = new Array(0, 1, 2, 3);
-if (x.join(undefined) !== "0,1,2,3") {
-  throw new Test262Error('#1: x = new Array(0,1,2,3); x.join(undefined) === "0,1,2,3". Actual: ' + (x.join(undefined)));
-}
+assert.sameValue(x.join(undefined), "0,1,2,3", '#1: x = new Array(0,1,2,3); x.join(undefined) === "0,1,2,3"');
 
 x = [];
 x[0] = 0;
 x[3] = 3;
-if (x.join(undefined) !== "0,,,3") {
-  throw new Test262Error('#2: x = []; x[0] = 0; x[3] = 3; x.join(undefined) === "0,,,3". Actual: ' + (x.join(undefined)));
-}
+assert.sameValue(x.join(undefined), "0,,,3", '#2: x = []; x[0] = 0; x[3] = 3; x.join(undefined) === "0,,,3"');
 
 x = [];
 x[0] = 0;
-if (x.join(undefined) !== "0") {
-  throw new Test262Error('#3: x = []; x[0] = 0; x.join(undefined) === "0". Actual: ' + (x.join(undefined)));
-}
+assert.sameValue(x.join(undefined), "0", '#3: x = []; x[0] = 0; x.join(undefined) === "0"');

test/built-ins/Array/prototype/join/S15.4.4.5_A1.3_T1.js

@@ -9,17 +9,11 @@ description: Checking this use new Array() and []
 
 var x = [];
 x[0] = undefined;
-if (x.join() !== "") {
-  throw new Test262Error('#1: x = []; x[0] = undefined; x.join() === "". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "", '#1: x = []; x[0] = undefined; x.join() === ""');
 
 x = [];
 x[0] = null;
-if (x.join() !== "") {
-  throw new Test262Error('#2: x = []; x[0] = null; x.join() === "". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "", '#2: x = []; x[0] = null; x.join() === ""');
 
 x = Array(undefined, 1, null, 3);
-if (x.join() !== ",1,,3") {
-  throw new Test262Error('#3: x = Array(undefined,1,null,3); x.join() === ",1,,3". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), ",1,,3", '#3: x = Array(undefined,1,null,3); x.join() === ",1,,3"');

test/built-ins/Array/prototype/join/S15.4.4.5_A2_T1.js

@@ -24,19 +24,11 @@ if (obj.length !== undefined) {
 }
 
 obj.length = undefined;
-if (obj.join() !== "") {
-  throw new Test262Error('#3: var obj = {}; obj.length = undefined; obj.join = Array.prototype.join; obj.join() === ". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#3: var obj = {}; obj.length = undefined; obj.join = Array.prototype.join; obj.join() === "');
 
-if (obj.length !== undefined) {
-  throw new Test262Error('#4: var obj = {}; obj.length = undefined; obj.join = Array.prototype.join; obj.join(); obj.length === undefined. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, undefined, '#4: var obj = {}; obj.length = undefined; obj.join = Array.prototype.join; obj.join(); obj.length === undefined');
 
 obj.length = null
-if (obj.join() !== "") {
-  throw new Test262Error('#5: var obj = {}; obj.length = null; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#5: var obj = {}; obj.length = null; obj.join = Array.prototype.join; obj.join() === ""');
 
-if (obj.length !== null) {
-  throw new Test262Error('#6: var obj = {}; obj.length = null; obj.join = Array.prototype.join; obj.join(); obj.length === null. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, null, '#6: var obj = {}; obj.length = null; obj.join = Array.prototype.join; obj.join(); obj.length === null');

test/built-ins/Array/prototype/join/S15.4.4.5_A2_T2.js

@@ -13,25 +13,17 @@ var obj = {};
 obj.join = Array.prototype.join;
 
 obj.length = NaN;
-if (obj.join() !== "") {
-  throw new Test262Error('#1: var obj = {}; obj.length = NaN; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#1: var obj = {}; obj.length = NaN; obj.join = Array.prototype.join; obj.join() === ""');
 
 assert.sameValue(obj.length, NaN, "obj.length is NaN");
 
 obj.length = Number.NEGATIVE_INFINITY;
-if (obj.join() !== "") {
-  throw new Test262Error('#5: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#5: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.join = Array.prototype.join; obj.join() === ""');
 
-if (obj.length !== Number.NEGATIVE_INFINITY) {
-  throw new Test262Error('#6: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.join = Array.prototype.join; obj.join(); obj.length === Number.NEGATIVE_INFINITY. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, Number.NEGATIVE_INFINITY, '#6: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.join = Array.prototype.join; obj.join(); obj.length === Number.NEGATIVE_INFINITY');
 
 obj.length = -0;
-if (obj.join() !== "") {
-  throw new Test262Error('#7: var obj = {}; obj.length = -0; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#7: var obj = {}; obj.length = -0; obj.join = Array.prototype.join; obj.join() === ""');
 
 if (obj.length !== -0) {
   throw new Test262Error('#8: var obj = {}; obj.length = -0; obj.join = Array.prototype.join; obj.join(); obj.length === 0. Actual: ' + (obj.length));
@@ -42,20 +34,12 @@ if (obj.length !== -0) {
 }
 
 obj.length = 0.5;
-if (obj.join() !== "") {
-  throw new Test262Error('#9: var obj = {}; obj.length = 0.5; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#9: var obj = {}; obj.length = 0.5; obj.join = Array.prototype.join; obj.join() === ""');
 
-if (obj.length !== 0.5) {
-  throw new Test262Error('#10: var obj = {}; obj.length = 0.5; obj.join = Array.prototype.join; obj.join(); obj.length === 0.5. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, 0.5, '#10: var obj = {}; obj.length = 0.5; obj.join = Array.prototype.join; obj.join(); obj.length === 0.5');
 
 var x = new Number(0);
 obj.length = x;
-if (obj.join() !== "") {
-  throw new Test262Error('#11: var x = new Number(0); var obj = {}; obj.length = x; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), "", '#11: var x = new Number(0); var obj = {}; obj.length = x; obj.join = Array.prototype.join; obj.join() === ""');
 
-if (obj.length !== x) {
-  throw new Test262Error('#12: var x = new Number(0); var obj = {}; obj.length = x; obj.join = Array.prototype.join; obj.join(); obj.length === x. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, x, '#12: var x = new Number(0); var obj = {}; obj.length = x; obj.join = Array.prototype.join; obj.join(); obj.length === x');

test/built-ins/Array/prototype/join/S15.4.4.5_A2_T3.js

@@ -13,37 +13,25 @@ var obj = {};
 obj.join = Array.prototype.join;
 
 obj.length = 4.5;
-if (obj.join() !== ",,,") {
-  throw new Test262Error('#1: var obj = {}; obj.length = 4.5; obj.join = Array.prototype.join; obj.join() === ",,,". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), ",,,", '#1: var obj = {}; obj.length = 4.5; obj.join = Array.prototype.join; obj.join() === ",,,"');
 
 obj[0] = undefined;
 obj[1] = 1;
 obj[2] = null;
-if (obj.join() !== ",1,,") {
-  throw new Test262Error('#1: var obj = {}; obj.length = 4.5; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join() === ",1,,". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), ",1,,", '#1: var obj = {}; obj.length = 4.5; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join() === ",1,,"');
 
-if (obj.length !== 4.5) {
-  throw new Test262Error('#1: var obj = {}; obj.length = 4.5; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join(); obj.length === 4.5. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, 4.5, '#1: var obj = {}; obj.length = 4.5; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join(); obj.length === 4.5');
 
 var obj = {};
 obj.join = Array.prototype.join;
 
 var x = new Number(4.5);
 obj.length = x;
-if (obj.join() !== ",,,") {
-  throw new Test262Error('#4: var obj = {}; var x = new Number(4.5); obj.length = x; obj.join = Array.prototype.join; obj.join() === ",,,". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), ",,,", '#4: var obj = {}; var x = new Number(4.5); obj.length = x; obj.join = Array.prototype.join; obj.join() === ",,,"');
 
 obj[0] = undefined;
 obj[1] = 1;
 obj[2] = null;
-if (obj.join() !== ",1,,") {
-  throw new Test262Error('#5: var obj = {}; var x = new Number(4.5); obj.length = x; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join() === ",1,,". Actual: ' + (obj.join()));
-}
+assert.sameValue(obj.join(), ",1,,", '#5: var obj = {}; var x = new Number(4.5); obj.length = x; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join() === ",1,,"');
 
-if (obj.length !== x) {
-  throw new Test262Error('#6: var obj = {}; var x = new Number(4.5); obj.length = x; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join(); obj.length === x. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, x, '#6: var obj = {}; var x = new Number(4.5); obj.length = x; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join(); obj.length === x');

test/built-ins/Array/prototype/join/S15.4.4.5_A3.1_T1.js

@@ -10,35 +10,19 @@ description: >
 ---*/
 
 var x = new Array(0, 1, 2, 3);
-if (x.join("") !== "0123") {
-  throw new Test262Error('#0: x = new Array(0,1,2,3); x.join("") === "0123". Actual: ' + (x.join("")));
-}
+assert.sameValue(x.join(""), "0123", '#0: x = new Array(0,1,2,3); x.join("") === "0123"');
 
 x = new Array(0, 1, 2, 3);
-if (x.join("\\") !== "0\\1\\2\\3") {
-  throw new Test262Error('#1: x = new Array(0,1,2,3); x.join("\\") === "0\\1\\2\\3". Actual: ' + (x.join("\\")));
-}
+assert.sameValue(x.join("\\"), "0\\1\\2\\3", '#1: x = new Array(0,1,2,3); x.join("\\") === "0\\1\\2\\3"');
 
-if (x.join("&") !== "0&1&2&3") {
-  throw new Test262Error('#2: x = new Array(0,1,2,3); x.join("&") === "0&1&2&3". Actual: ' + (x.join("&")));
-}
+assert.sameValue(x.join("&"), "0&1&2&3", '#2: x = new Array(0,1,2,3); x.join("&") === "0&1&2&3"');
 
-if (x.join(true) !== "0true1true2true3") {
-  throw new Test262Error('#3: x = new Array(0,1,2,3); x.join(true) === "0true1true2true3". Actual: ' + (x.join(true)));
-}
+assert.sameValue(x.join(true), "0true1true2true3", '#3: x = new Array(0,1,2,3); x.join(true) === "0true1true2true3"');
 
-if (x.join(Infinity) !== "0Infinity1Infinity2Infinity3") {
-  throw new Test262Error('#4: x = new Array(0,1,2,3); x.join(Infinity) === "0Infinity1Infinity2Infinity3". Actual: ' + (x.join(Infinity)));
-}
+assert.sameValue(x.join(Infinity), "0Infinity1Infinity2Infinity3", '#4: x = new Array(0,1,2,3); x.join(Infinity) === "0Infinity1Infinity2Infinity3"');
 
-if (x.join(null) !== "0null1null2null3") {
-  throw new Test262Error('#3: 5 = new Array(0,1,2,3); x.join(null) === "0null1null2null3". Actual: ' + (x.join(null)));
-}
+assert.sameValue(x.join(null), "0null1null2null3", '#3: 5 = new Array(0,1,2,3); x.join(null) === "0null1null2null3"');
 
-if (x.join(undefined) !== "0,1,2,3") {
-  throw new Test262Error('#6: x = new Array(0,1,2,3); x.join(undefined) === "0,1,2,3". Actual: ' + (x.join(undefined)));
-}
+assert.sameValue(x.join(undefined), "0,1,2,3", '#6: x = new Array(0,1,2,3); x.join(undefined) === "0,1,2,3"');
 
-if (x.join(NaN) !== "0NaN1NaN2NaN3") {
-  throw new Test262Error('#7: x = new Array(0,1,2,3); x.join(NaN) === "0NaN1NaN2NaN3". Actual: ' + (x.join(NaN)));
-}
+assert.sameValue(x.join(NaN), "0NaN1NaN2NaN3", '#7: x = new Array(0,1,2,3); x.join(NaN) === "0NaN1NaN2NaN3"');

test/built-ins/Array/prototype/join/S15.4.4.5_A3.2_T1.js

@@ -10,41 +10,25 @@ description: >
 ---*/
 
 var x = new Array("", "", "");
-if (x.join("") !== "") {
-  throw new Test262Error('#0: var x = new Array("","",""); x.join("") === "". Actual: ' + (x.join("")));
-}
+assert.sameValue(x.join(""), "", '#0: var x = new Array("","",""); x.join("") === ""');
 
 var x = new Array("\\", "\\", "\\");
-if (x.join("\\") !== "\\\\\\\\\\") {
-  throw new Test262Error('#1: var x = new Array("\\","\\","\\"); x.join("\\") === "\\\\\\\\\\". Actual: ' + (x.join("\\")));
-}
+assert.sameValue(x.join("\\"), "\\\\\\\\\\", '#1: var x = new Array("\\","\\","\\"); x.join("\\") === "\\\\\\\\\\"');
 
 var x = new Array("&", "&", "&");
-if (x.join("&") !== "&&&&&") {
-  throw new Test262Error('#2: var x = new Array("&", "&", "&"); x.join("&") === "&&&&&". Actual: ' + (x.join("&")));
-}
+assert.sameValue(x.join("&"), "&&&&&", '#2: var x = new Array("&", "&", "&"); x.join("&") === "&&&&&"');
 
 var x = new Array(true, true, true);
-if (x.join() !== "true,true,true") {
-  throw new Test262Error('#3: var x = new Array(true,true,true); x.join(true,true,true) === "true,true,true". Actual: ' + (x.join(true, true, true)));
-}
+assert.sameValue(x.join(), "true,true,true", '#3: var x = new Array(true,true,true); x.join(true,true,true) === "true,true,true"');
 
 var x = new Array(null, null, null);
-if (x.join() !== ",,") {
-  throw new Test262Error('#4: var x = new Array(null,null,null); x.join(null,null,null) === ",,". Actual: ' + (x.join(null, null, null)));
-}
+assert.sameValue(x.join(), ",,", '#4: var x = new Array(null,null,null); x.join(null,null,null) === ",,"');
 
 var x = new Array(undefined, undefined, undefined);
-if (x.join() !== ",,") {
-  throw new Test262Error('#5: var x = new Array(undefined,undefined,undefined); x.join(undefined,undefined,undefined) === ",,". Actual: ' + (x.join(undefined, undefined, undefined)));
-}
+assert.sameValue(x.join(), ",,", '#5: var x = new Array(undefined,undefined,undefined); x.join(undefined,undefined,undefined) === ",,"');
 
 var x = new Array(Infinity, Infinity, Infinity);
-if (x.join() !== "Infinity,Infinity,Infinity") {
-  throw new Test262Error('#6: var x = new Array(Infinity,Infinity,Infinity); x.join(Infinity,Infinity,Infinity) === "Infinity,Infinity,Infinity". Actual: ' + (x.join(Infinity, Infinity, Infinity)));
-}
+assert.sameValue(x.join(), "Infinity,Infinity,Infinity", '#6: var x = new Array(Infinity,Infinity,Infinity); x.join(Infinity,Infinity,Infinity) === "Infinity,Infinity,Infinity"');
 
 var x = new Array(NaN, NaN, NaN);
-if (x.join() !== "NaN,NaN,NaN") {
-  throw new Test262Error('#7: var x = new Array(NaN,NaN,NaN); x.join(NaN,NaN,NaN) === "NaN,NaN,NaN". Actual: ' + (x.join(NaN, NaN, NaN)));
-}
+assert.sameValue(x.join(), "NaN,NaN,NaN", '#7: var x = new Array(NaN,NaN,NaN); x.join(NaN,NaN,NaN) === "NaN,NaN,NaN"');

test/built-ins/Array/prototype/join/S15.4.4.5_A4_T3.js

@@ -14,10 +14,6 @@ obj[1] = "y";
 obj[2] = "z";
 obj.length = -4294967294;
 
-if (obj.join("") !== "") {
-  throw new Test262Error('#1: var obj = {}; obj.join = Array.prototype.join; obj[0] = "x"; obj[1] = "y"; obj[2] = "z"; obj.length = -4294967294; obj.join("") === "". Actual: ' + (obj.join("")));
-}
+assert.sameValue(obj.join(""), "", '#1: var obj = {}; obj.join = Array.prototype.join; obj[0] = "x"; obj[1] = "y"; obj[2] = "z"; obj.length = -4294967294; obj.join("") === ""');
 
-if (obj.length !== -4294967294) {
-  throw new Test262Error('#2: var obj = {}; obj.join = Array.prototype.join; obj[0] = "x"; obj[1] = "y"; obj[2] = "z"; obj.length = -4294967294; obj.join(""); obj.length === -4294967294. Actual: ' + (obj.length));
-}
+assert.sameValue(obj.length, -4294967294, '#2: var obj = {}; obj.join = Array.prototype.join; obj[0] = "x"; obj[1] = "y"; obj[2] = "z"; obj.length = -4294967294; obj.join(""); obj.length === -4294967294');

test/built-ins/Array/prototype/join/S15.4.4.5_A5_T1.js

@@ -12,16 +12,12 @@ description: >
 Array.prototype[1] = 1;
 var x = [0];
 x.length = 2;
-if (x.join() !== "0,1") {
-  throw new Test262Error('#1: Array.prototype[1] = 1; x = [0]; x.length = 2; x.join() === "0,1". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "0,1", '#1: Array.prototype[1] = 1; x = [0]; x.length = 2; x.join() === "0,1"');
 
 Object.prototype[1] = 1;
 Object.prototype.length = 2;
 Object.prototype.join = Array.prototype.join;
 x = {
   0: 0
 };
-if (x.join() !== "0,1") {
-  throw new Test262Error('#2: Object.prototype[1] = 1; Object.prototype.length = 2; Object.prototype.join = Array.prototype.join; x = {0:0}; x.join() === "0,1". Actual: ' + (x.join()));
-}
+assert.sameValue(x.join(), "0,1", '#2: Object.prototype[1] = 1; Object.prototype.length = 2; Object.prototype.join = Array.prototype.join; x = {0:0}; x.join() === "0,1"');

test/built-ins/Array/prototype/join/S15.4.4.5_A6.6.js

@@ -7,6 +7,4 @@ esid: sec-array.prototype.join
 description: Checking Array.prototype.join.prototype
 ---*/
 
-if (Array.prototype.join.prototype !== undefined) {
-  throw new Test262Error('#1: Array.prototype.join.prototype === undefined. Actual: ' + (Array.prototype.join.prototype));
-}
+assert.sameValue(Array.prototype.join.prototype, undefined, '#1: Array.prototype.join.prototype === undefined');

test/built-ins/Array/prototype/pop/S15.4.4.6_A1.1_T1.js

@@ -11,21 +11,13 @@ description: Checking this algorithm
 
 var x = new Array();
 var pop = x.pop();
-if (pop !== undefined) {
-  throw new Test262Error('#1: var x = new Array(); x.pop() === undefined. Actual: ' + (pop));
-}
+assert.sameValue(pop, undefined, '#1: var x = new Array(); x.pop() === undefined');
 
-if (x.length !== 0) {
-  throw new Test262Error('#2: var x = new Array(); x.pop(); x.length === 0. Actual: ' + (x.length));
-}
+assert.sameValue(x.length, 0, '#2: var x = new Array(); x.pop(); x.length === 0');
 
 var x = Array(1, 2, 3);
 x.length = 0;
 var pop = x.pop();
-if (pop !== undefined) {
-  throw new Test262Error('#2: var x = Array(1,2,3); x.length = 0; x.pop() === undefined. Actual: ' + (pop));
-}
+assert.sameValue(pop, undefined, '#2: var x = Array(1,2,3); x.length = 0; x.pop() === undefined');
 
-if (x.length !== 0) {
-  throw new Test262Error('#4: var x = new Array(1,2,3); x.length = 0; x.pop(); x.length === 0. Actual: ' + (x.length));
-}
+assert.sameValue(x.length, 0, '#4: var x = new Array(1,2,3); x.length = 0; x.pop(); x.length === 0');