Regexp-modifiers syntax error tests

features.txt

@@ -93,6 +93,10 @@ String.prototype.toWellFormed
 # https://github.com/tc39/proposal-json-parse-with-source
 json-parse-with-source
 
+# Regular expression modifiers
+# https://github.com/tc39/proposal-regexp-modifiers
+regexp-modifiers
+
 # Iterator Helpers
 # https://github.com/tc39/proposal-iterator-helpers
 iterator-helpers

test/built-ins/RegExp/early-err-modifiers-code-point-repeat-i-1.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?ii:a)", "");
+}, 'RegExp("(?ii:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-code-point-repeat-i-2.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?imsi:a)", "");
+}, 'RegExp("(?imsi:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-arbitrary.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?1:a)", "");
+}, 'RegExp("(?1:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-combining-i.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?iͥ:a)", "");
+}, 'RegExp("(?iͥ:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-combining-m.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?mͫ:a)", "");
+}, 'RegExp("(?mͫ:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-combining-s.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?s̀:a)", "");
+}, 'RegExp("(?s̀:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-d.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?d:a)", "");
+}, 'RegExp("(?d:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-g.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?g:a)", "");
+}, 'RegExp("(?g:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-non-display-2.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?s‎:a)", "");
+}, 'RegExp("(?s‎:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-non-flag.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?Q:a)", "");
+}, 'RegExp("(?Q:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-u.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?u:a)", "");
+}, 'RegExp("(?u:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-uppercase-I.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?I:a)", "");
+}, 'RegExp("(?I:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-y.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?y:a)", "");
+}, 'RegExp("(?y:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-zwj.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?s‍:a)", "");
+}, 'RegExp("(?s‍:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-zwnbsp.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?s:a)", "");
+}, 'RegExp("(?s:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-other-code-point-zwnj.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?s‌:a)", "");
+}, 'RegExp("(?s‌:a)", ""): ');

test/built-ins/RegExp/early-err-modifiers-should-not-case-fold-i.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Code points other than "i", "m", "s" should not be case folded to "i", "m", or "s" (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?I:a)", "i");
+}, 'RegExp("(?I:a)", "i"): ');

test/built-ins/RegExp/early-err-modifiers-should-not-case-fold-m.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Code points other than "i", "m", "s" should not be case folded to "i", "m", or "s" (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?M:a)", "i");
+}, 'RegExp("(?M:a)", "i"): ');

test/built-ins/RegExp/early-err-modifiers-should-not-case-fold-s.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Code points other than "i", "m", "s" should not be case folded to "i", "m", or "s" (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?S:a)", "i");
+}, 'RegExp("(?S:a)", "i"): ');

test/built-ins/RegExp/early-err-modifiers-should-not-unicode-case-fold-i.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Code points other than "i", "m", "s" should not be case-folded to "i", "m", or "s" (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?İ:a)", "iu");
+}, 'RegExp("(?İ:a)", "iu"): ');

test/built-ins/RegExp/early-err-modifiers-should-not-unicode-case-fold-s.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Code points other than "i", "m", "s" should not be case-folded to "i", "m", or "s" (regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpresisonFlags : Disjunction )
+    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?ſ:a)", "u");
+}, 'RegExp("(?ſ:a)", "u"): ');

test/built-ins/RegExp/syntax-err-arithmetic-modifiers-add-remove-i.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is a Syntax Error if the any code point in the source text matched by the first RegularExpressionFlags is also contained in the source text matched by the second RegularExpressionFlags. (arithmetic regular expression flags)
+esid: sec-patterns-static-semantics-early-errors
+features: [regexp-modifiers]
+info: |
+    Atom :: ( ? RegularExpressionFlags - RegularExpressionFlags : Disjunction )
+    ...
+
+---*/
+
+assert.throws(SyntaxError, function () {
+  RegExp("(?i-i:a)", "");
+}, 'RegExp("(?i-i:a)", ""): ');