diff --git a/test/built-ins/RegExp/prototype/flags/coercion-dotall.js b/test/built-ins/RegExp/prototype/flags/coercion-dotall.js
new file mode 100644
index 0000000000..92d9b47c5e
--- /dev/null
+++ b/test/built-ins/RegExp/prototype/flags/coercion-dotall.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-regexp.prototype.flags
+description: Boolean coercion of the dotAll property
+info: >
+  get RegExp.prototype.flags
+
+  ...
+  10. Let dotAll be ToBoolean(? Get(R, "dotAll")).
+  ...
+features: [Symbol, regexp-dotall]
+---*/
+
+var get = Object.getOwnPropertyDescriptor(RegExp.prototype, "flags").get;
+
+var r = {};
+
+r.dotAll = undefined;
+assert.sameValue(get.call(r), "", "dotAll: undefined");
+
+r.dotAll = null;
+assert.sameValue(get.call(r), "", "dotAll: null");
+
+r.dotAll = NaN;
+assert.sameValue(get.call(r), "", "dotAll: NaN");
+
+r.dotAll = "";
+assert.sameValue(get.call(r), "", "dotAll: the empty string");
+
+r.dotAll = "string";
+assert.sameValue(get.call(r), "s", "dotAll: string");
+
+r.dotAll = 86;
+assert.sameValue(get.call(r), "s", "dotAll: 86");
+
+r.dotAll = Symbol();
+assert.sameValue(get.call(r), "s", "dotAll: Symbol()");
+
+r.dotAll = [];
+assert.sameValue(get.call(r), "s", "dotAll: []");
+
+r.dotAll = {};
+assert.sameValue(get.call(r), "s", "dotAll: {}");
diff --git a/test/built-ins/RegExp/prototype/flags/coercion-global.js b/test/built-ins/RegExp/prototype/flags/coercion-global.js
new file mode 100644
index 0000000000..2276a9b579
--- /dev/null
+++ b/test/built-ins/RegExp/prototype/flags/coercion-global.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-regexp.prototype.flags
+description: Boolean coercion of the global property
+info: >
+  get RegExp.prototype.flags
+
+  ...
+  4. Let global be ToBoolean(? Get(R, "global")).
+  ...
+features: [Symbol]
+---*/
+
+var get = Object.getOwnPropertyDescriptor(RegExp.prototype, "flags").get;
+
+var r = {};
+
+r.global = undefined;
+assert.sameValue(get.call(r), "", "global: undefined");
+
+r.global = null;
+assert.sameValue(get.call(r), "", "global: null");
+
+r.global = NaN;
+assert.sameValue(get.call(r), "", "global: NaN");
+
+r.global = "";
+assert.sameValue(get.call(r), "", "global: the empty string");
+
+r.global = "string";
+assert.sameValue(get.call(r), "g", "global: string");
+
+r.global = 86;
+assert.sameValue(get.call(r), "g", "global: 86");
+
+r.global = Symbol();
+assert.sameValue(get.call(r), "g", "global: Symbol()");
+
+r.global = [];
+assert.sameValue(get.call(r), "g", "global: []");
+
+r.global = {};
+assert.sameValue(get.call(r), "g", "global: {}");
diff --git a/test/built-ins/RegExp/prototype/flags/coercion-ignoreCase.js b/test/built-ins/RegExp/prototype/flags/coercion-ignoreCase.js
new file mode 100644
index 0000000000..b66d4afe5c
--- /dev/null
+++ b/test/built-ins/RegExp/prototype/flags/coercion-ignoreCase.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-regexp.prototype.flags
+description: Boolean coercion of the ignoreCase property
+info: >
+  get RegExp.prototype.flags
+
+  ...
+  6. Let ignoreCase be ToBoolean(? Get(R, "ignoreCase")).
+  ...
+features: [Symbol]
+---*/
+
+var get = Object.getOwnPropertyDescriptor(RegExp.prototype, "flags").get;
+
+var r = {};
+
+r.ignoreCase = undefined;
+assert.sameValue(get.call(r), "", "ignoreCase: undefined");
+
+r.ignoreCase = null;
+assert.sameValue(get.call(r), "", "ignoreCase: null");
+
+r.ignoreCase = NaN;
+assert.sameValue(get.call(r), "", "ignoreCase: NaN");
+
+r.ignoreCase = "";
+assert.sameValue(get.call(r), "", "ignoreCase: the empty string");
+
+r.ignoreCase = "string";
+assert.sameValue(get.call(r), "i", "ignoreCase: string");
+
+r.ignoreCase = 86;
+assert.sameValue(get.call(r), "i", "ignoreCase: 86");
+
+r.ignoreCase = Symbol();
+assert.sameValue(get.call(r), "i", "ignoreCase: Symbol()");
+
+r.ignoreCase = [];
+assert.sameValue(get.call(r), "i", "ignoreCase: []");
+
+r.ignoreCase = {};
+assert.sameValue(get.call(r), "i", "ignoreCase: {}");
diff --git a/test/built-ins/RegExp/prototype/flags/coercion-multiline.js b/test/built-ins/RegExp/prototype/flags/coercion-multiline.js
new file mode 100644
index 0000000000..2ce2965a19
--- /dev/null
+++ b/test/built-ins/RegExp/prototype/flags/coercion-multiline.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-regexp.prototype.flags
+description: Boolean coercion of the multiline property
+info: >
+  get RegExp.prototype.flags
+
+  ...
+  8. Let multiline be ToBoolean(? Get(R, "multiline")).
+  ...
+features: [Symbol]
+---*/
+
+var get = Object.getOwnPropertyDescriptor(RegExp.prototype, "flags").get;
+
+var r = {};
+
+r.multiline = undefined;
+assert.sameValue(get.call(r), "", "multiline: undefined");
+
+r.multiline = null;
+assert.sameValue(get.call(r), "", "multiline: null");
+
+r.multiline = NaN;
+assert.sameValue(get.call(r), "", "multiline: NaN");
+
+r.multiline = "";
+assert.sameValue(get.call(r), "", "multiline: the empty string");
+
+r.multiline = "string";
+assert.sameValue(get.call(r), "m", "multiline: string");
+
+r.multiline = 86;
+assert.sameValue(get.call(r), "m", "multiline: 86");
+
+r.multiline = Symbol();
+assert.sameValue(get.call(r), "m", "multiline: Symbol()");
+
+r.multiline = [];
+assert.sameValue(get.call(r), "m", "multiline: []");
+
+r.multiline = {};
+assert.sameValue(get.call(r), "m", "multiline: {}");
diff --git a/test/built-ins/RegExp/prototype/flags/coercion-sticky.js b/test/built-ins/RegExp/prototype/flags/coercion-sticky.js
new file mode 100644
index 0000000000..4274e56590
--- /dev/null
+++ b/test/built-ins/RegExp/prototype/flags/coercion-sticky.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-regexp.prototype.flags
+description: Boolean coercion of the sticky property
+info: >
+  get RegExp.prototype.flags
+
+  ...
+  14. Let sticky be ToBoolean(? Get(R, "sticky")).
+  ...
+features: [Symbol]
+---*/
+
+var get = Object.getOwnPropertyDescriptor(RegExp.prototype, "flags").get;
+
+var r = {};
+
+r.sticky = undefined;
+assert.sameValue(get.call(r), "", "sticky: undefined");
+
+r.sticky = null;
+assert.sameValue(get.call(r), "", "sticky: null");
+
+r.sticky = NaN;
+assert.sameValue(get.call(r), "", "sticky: NaN");
+
+r.sticky = "";
+assert.sameValue(get.call(r), "", "sticky: the empty string");
+
+r.sticky = "string";
+assert.sameValue(get.call(r), "y", "sticky: string");
+
+r.sticky = 86;
+assert.sameValue(get.call(r), "y", "sticky: 86");
+
+r.sticky = Symbol();
+assert.sameValue(get.call(r), "y", "sticky: Symbol()");
+
+r.sticky = [];
+assert.sameValue(get.call(r), "y", "sticky: []");
+
+r.sticky = {};
+assert.sameValue(get.call(r), "y", "sticky: {}");
diff --git a/test/built-ins/RegExp/prototype/flags/coercion-unicode.js b/test/built-ins/RegExp/prototype/flags/coercion-unicode.js
new file mode 100644
index 0000000000..5d8c41e5e9
--- /dev/null
+++ b/test/built-ins/RegExp/prototype/flags/coercion-unicode.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-regexp.prototype.flags
+description: Boolean coercion of the unicode property
+info: >
+  get RegExp.prototype.flags
+
+  ...
+  12. Let unicode be ToBoolean(? Get(R, "unicode")).
+  ...
+features: [Symbol]
+---*/
+
+var get = Object.getOwnPropertyDescriptor(RegExp.prototype, "flags").get;
+
+var r = {};
+
+r.unicode = undefined;
+assert.sameValue(get.call(r), "", "unicode: undefined");
+
+r.unicode = null;
+assert.sameValue(get.call(r), "", "unicode: null");
+
+r.unicode = NaN;
+assert.sameValue(get.call(r), "", "unicode: NaN");
+
+r.unicode = "";
+assert.sameValue(get.call(r), "", "unicode: the empty string");
+
+r.unicode = "string";
+assert.sameValue(get.call(r), "u", "unicode: string");
+
+r.unicode = 86;
+assert.sameValue(get.call(r), "u", "unicode: 86");
+
+r.unicode = Symbol();
+assert.sameValue(get.call(r), "u", "unicode: Symbol()");
+
+r.unicode = [];
+assert.sameValue(get.call(r), "u", "unicode: []");
+
+r.unicode = {};
+assert.sameValue(get.call(r), "u", "unicode: {}");
diff --git a/test/built-ins/RegExp/prototype/flags/coercion.js b/test/built-ins/RegExp/prototype/flags/coercion.js
deleted file mode 100644
index 2ab545a5c4..0000000000
--- a/test/built-ins/RegExp/prototype/flags/coercion.js
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-esid: sec-get-regexp.prototype.flags
-description: Boolean coercion of properties
-info: >
-  get RegExp.prototype.flags
-
-  [...]
-  4. Let global be ToBoolean(? Get(R, "global")).
-  6. Let ignoreCase be ToBoolean(? Get(R, "ignoreCase")).
-  8. Let multiline be ToBoolean(? Get(R, "multiline")).
-  10. Let dotAll be ToBoolean(? Get(R, "dotAll")).
-  12. Let unicode be ToBoolean(? Get(R, "unicode")).
-  14. Let sticky be ToBoolean(? Get(R, "sticky")).
-features: [Symbol, regexp-dotall]
----*/
-
-var get = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags').get;
-var flags = [
-  ['g', 'global'],
-  ['i', 'ignoreCase'],
-  ['m', 'multiline'],
-  ['s', 'dotAll'],
-  ['u', 'unicode'],
-  ['y', 'sticky'],
-];
-
-flags.forEach(function(flag) {
-  var res = flag[0];
-  var key = flag[1];
-  var r = {};
-
-  r[key] = undefined;
-  assert.sameValue(get.call(r), '', key + ' = undefined');
-
-  r[key] = null;
-  assert.sameValue(get.call(r), '', key + ' = null');
-
-  r[key] = NaN;
-  assert.sameValue(get.call(r), '', key + ' = NaN');
-
-  r[key] = '';
-  assert.sameValue(get.call(r), '', key + ' = ""');
-
-  r[key] = 'string';
-  assert.sameValue(get.call(r), res, key + ' = "string"');
-
-  r[key] = 86;
-  assert.sameValue(get.call(r), res, key + ' = 86');
-
-  r[key] = Symbol();
-  assert.sameValue(get.call(r), res, key + ' = Symbol()');
-
-  r[key] = [];
-  assert.sameValue(get.call(r), res, key + ' = []');
-
-  r[key] = {};
-  assert.sameValue(get.call(r), res, key + ' = {}');
-});
diff --git a/test/built-ins/RegExp/prototype/flags/order-gets.js b/test/built-ins/RegExp/prototype/flags/get-order.js
similarity index 96%
rename from test/built-ins/RegExp/prototype/flags/order-gets.js
rename to test/built-ins/RegExp/prototype/flags/get-order.js
index 2cebc3a7f6..a2d14b6476 100644
--- a/test/built-ins/RegExp/prototype/flags/order-gets.js
+++ b/test/built-ins/RegExp/prototype/flags/get-order.js
@@ -41,5 +41,5 @@ var re = {
 
 var get = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags').get;
 
-assert.sameValue(get.call(re), '');
+get.call(re);
 assert.sameValue(calls, 'gimsuy');
diff --git a/test/built-ins/RegExp/prototype/flags/rethrow.js b/test/built-ins/RegExp/prototype/flags/rethrow.js
index ec394a9e47..544ae976ad 100644
--- a/test/built-ins/RegExp/prototype/flags/rethrow.js
+++ b/test/built-ins/RegExp/prototype/flags/rethrow.js
@@ -25,7 +25,7 @@ assert.throws(Test262Error, function() {
       throw new Test262Error();
     },
   });
-}, 'global');
+}, 'Let global be ToBoolean(? Get(R, "global"))');
 
 assert.throws(Test262Error, function() {
   get.call({
@@ -33,7 +33,7 @@ assert.throws(Test262Error, function() {
       throw new Test262Error();
     },
   });
-}, 'ignoreCase');
+}, 'Let ignoreCase be ToBoolean(? Get(R, "ignoreCase"))');
 
 assert.throws(Test262Error, function() {
   get.call({
@@ -41,7 +41,7 @@ assert.throws(Test262Error, function() {
       throw new Test262Error();
     },
   });
-}, 'multiline');
+}, 'Let multiline be ToBoolean(? Get(R, "multiline"))');
 
 assert.throws(Test262Error, function() {
   get.call({
@@ -49,7 +49,7 @@ assert.throws(Test262Error, function() {
       throw new Test262Error();
     },
   });
-}, 'dotAll');
+}, 'Let dotAll be ToBoolean(? Get(R, "dotAll"))');
 
 assert.throws(Test262Error, function() {
   get.call({
@@ -57,7 +57,7 @@ assert.throws(Test262Error, function() {
       throw new Test262Error();
     },
   });
-}, 'unicode');
+}, 'Let unicode be ToBoolean(? Get(R, "unicode"))');
 
 assert.throws(Test262Error, function() {
   get.call({
@@ -65,4 +65,4 @@ assert.throws(Test262Error, function() {
       throw new Test262Error();
     },
   });
-}, 'sticky');
+}, 'Let sticky be ToBoolean(? Get(R, "sticky"))');
diff --git a/test/built-ins/RegExp/prototype/flags/order.js b/test/built-ins/RegExp/prototype/flags/return-order.js
similarity index 100%
rename from test/built-ins/RegExp/prototype/flags/order.js
rename to test/built-ins/RegExp/prototype/flags/return-order.js
diff --git a/test/built-ins/RegExp/prototype/flags/this-val-regexp-prototype.js b/test/built-ins/RegExp/prototype/flags/this-val-regexp-prototype.js
index 8ded3a96e8..fd9019a451 100644
--- a/test/built-ins/RegExp/prototype/flags/this-val-regexp-prototype.js
+++ b/test/built-ins/RegExp/prototype/flags/this-val-regexp-prototype.js
@@ -6,9 +6,20 @@ esid: sec-get-regexp.prototype.flags
 description: >
   Return "" when the `this` value is the RegExp.prototype object
 info: |
-  1. Let R be the this value.
-  2. If Type(R) is not Object, throw a TypeError exception.
   3. Let result be the empty String.
+  4. Let global be ToBoolean(? Get(R, "global")).
+  5. If global is true, append "g" as the last code unit of result.
+  6. Let ignoreCase be ToBoolean(? Get(R, "ignoreCase")).
+  7. If ignoreCase is true, append "i" as the last code unit of result.
+  8. Let multiline be ToBoolean(? Get(R, "multiline")).
+  9. If multiline is true, append "m" as the last code unit of result.
+  10. Let dotAll be ToBoolean(? Get(R, "dotAll")).
+  11. If dotAll is true, append "s" as the last code unit of result.
+  12. Let unicode be ToBoolean(? Get(R, "unicode")).
+  13. If unicode is true, append "u" as the last code unit of result.
+  14. Let sticky be ToBoolean(? Get(R, "sticky")).
+  15. If sticky is true, append "y" as the last code unit of result.
+  16. Return result.
 ---*/
 
 var get = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags').get;
diff --git a/test/built-ins/RegExp/prototype/flags/this-val-regexp.js b/test/built-ins/RegExp/prototype/flags/this-val-regexp.js
index 4606f6da94..17747abb72 100644
--- a/test/built-ins/RegExp/prototype/flags/this-val-regexp.js
+++ b/test/built-ins/RegExp/prototype/flags/this-val-regexp.js
@@ -6,8 +6,20 @@ esid: sec-get-regexp.prototype.flags
 description: >
   RegExp.prototype.flags returns RegExp flags as a string
 info: |
-  1. Let R be the this value.
-  2. If Type(R) is not Object, throw a TypeError exception.
+  3. Let result be the empty String.
+  4. Let global be ToBoolean(? Get(R, "global")).
+  5. If global is true, append "g" as the last code unit of result.
+  6. Let ignoreCase be ToBoolean(? Get(R, "ignoreCase")).
+  7. If ignoreCase is true, append "i" as the last code unit of result.
+  8. Let multiline be ToBoolean(? Get(R, "multiline")).
+  9. If multiline is true, append "m" as the last code unit of result.
+  10. Let dotAll be ToBoolean(? Get(R, "dotAll")).
+  11. If dotAll is true, append "s" as the last code unit of result.
+  12. Let unicode be ToBoolean(? Get(R, "unicode")).
+  13. If unicode is true, append "u" as the last code unit of result.
+  14. Let sticky be ToBoolean(? Get(R, "sticky")).
+  15. If sticky is true, append "y" as the last code unit of result.
+  16. Return result.
 features: [regexp-dotall]
 ---*/