Merge pull request #10017 from ethereum/develop

Merge develop into breaking.

test/libsolidity/semanticTests/viaYul/exp_literals.sol

@@ -0,0 +1,49 @@
+contract C {
+    function exp_2(uint y) public returns (uint) {
+        return 2**y;
+    }
+    function exp_minus_2(uint y) public returns (int) {
+        return (-2)**y;
+    }
+
+    function exp_uint_max(uint y) public returns (uint) {
+        return (2**256 - 1)**y;
+    }
+    function exp_int_max(uint y) public returns (int) {
+        return ((-2)**255)**y;
+    }
+
+    function exp_5(uint y) public returns (uint) {
+        return 5**y;
+    }
+    function exp_minus_5(uint y) public returns (int) {
+        return (-5)**y;
+    }
+
+    function exp_256(uint y) public returns (uint) {
+        return 256**y;
+    }
+    function exp_minus_256(uint y) public returns (int) {
+        return (-256)**y;
+    }
+
+}
+// ====
+// compileViaYul: true
+// ----
+// exp_2(uint256): 255 -> 57896044618658097711785492504343953926634992332820282019728792003956564819968
+// exp_2(uint256): 256 -> FAILURE
+// exp_minus_2(uint256): 255 -> -57896044618658097711785492504343953926634992332820282019728792003956564819968
+// exp_minus_2(uint256): 256 -> FAILURE
+// exp_uint_max(uint256): 1 -> 115792089237316195423570985008687907853269984665640564039457584007913129639935
+// exp_uint_max(uint256): 2 -> FAILURE
+// exp_int_max(uint256): 1 -> -57896044618658097711785492504343953926634992332820282019728792003956564819968
+// exp_int_max(uint256): 2 -> FAILURE
+// exp_5(uint256): 110 -> 77037197775489434122239117703397092741524065928615527809597551822662353515625
+// exp_5(uint256): 111 -> FAILURE
+// exp_minus_5(uint256): 109 -> -15407439555097886824447823540679418548304813185723105561919510364532470703125
+// exp_minus_5(uint256): 110 -> FAILURE
+// exp_256(uint256): 31 -> 452312848583266388373324160190187140051835877600158453279131187530910662656
+// exp_256(uint256): 32 -> FAILURE
+// exp_minus_256(uint256): 31 -> -452312848583266388373324160190187140051835877600158453279131187530910662656
+// exp_minus_256(uint256): 32 -> FAILURE

test/libsolidity/semanticTests/viaYul/exp_literals_success.sol

@@ -0,0 +1,41 @@
+contract C {
+    function exp_2(uint y) public returns (uint) {
+        return 2**y;
+    }
+    function exp_minus_2(uint y) public returns (int) {
+        return (-2)**y;
+    }
+
+    function exp_uint_max(uint y) public returns (uint) {
+        return (2**256 - 1)**y;
+    }
+    function exp_int_max(uint y) public returns (int) {
+        return ((-2)**255)**y;
+    }
+
+    function exp_5(uint y) public returns (uint) {
+        return 5**y;
+    }
+    function exp_minus_5(uint y) public returns (int) {
+        return (-5)**y;
+    }
+
+    function exp_256(uint y) public returns (uint) {
+        return 256**y;
+    }
+    function exp_minus_256(uint y) public returns (int) {
+        return (-256)**y;
+    }
+
+}
+// ====
+// compileViaYul: also
+// ----
+// exp_2(uint256): 255 -> 57896044618658097711785492504343953926634992332820282019728792003956564819968
+// exp_minus_2(uint256): 255 -> -57896044618658097711785492504343953926634992332820282019728792003956564819968
+// exp_uint_max(uint256): 1 -> 115792089237316195423570985008687907853269984665640564039457584007913129639935
+// exp_int_max(uint256): 1 -> -57896044618658097711785492504343953926634992332820282019728792003956564819968
+// exp_5(uint256): 110 -> 77037197775489434122239117703397092741524065928615527809597551822662353515625
+// exp_minus_5(uint256): 109 -> -15407439555097886824447823540679418548304813185723105561919510364532470703125
+// exp_256(uint256): 31 -> 452312848583266388373324160190187140051835877600158453279131187530910662656
+// exp_minus_256(uint256): 31 -> -452312848583266388373324160190187140051835877600158453279131187530910662656

test/libsolidity/smtCheckerTests/types/array_literal_1.sol

@@ -4,8 +4,9 @@ contract C
 {
 	function f() public pure {
 		uint[3] memory array = [uint(1), 2, 3];
+		assert(array[0] == 1);
+		assert(array[1] == 2);
+		assert(array[2] == 3);
 	}
 }
 // ----
-// Warning 2072: (76-96): Unused local variable.
-// Warning 2177: (99-114): Assertion checker does not yet implement inline arrays.

test/libsolidity/smtCheckerTests/types/array_literal_2.sol

@@ -0,0 +1,14 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	function f() public pure {
+		uint[3] memory a = [uint(1), 2, 3];
+		uint[3] memory b = [uint(1), 2, 4];
+		assert(a[0] == b[0]);
+		assert(a[1] == b[1]);
+		assert(a[2] == b[2]); // fails
+	}
+}
+// ----
+// Warning 6328: (200-220): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/types/array_literal_3.sol

@@ -0,0 +1,13 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	function f() public pure {
+		(uint[3] memory a, uint[3] memory b) = ([uint(1), 2, 3], [uint(1), 2, 4]);
+		assert(a[0] == b[0]);
+		assert(a[1] == b[1]);
+		assert(a[2] == b[2]); // fails
+	}
+}
+// ----
+// Warning 6328: (201-221): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/types/array_literal_4.sol

@@ -0,0 +1,13 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	function f(bool c) public pure {
+		uint[3] memory a = c ? [uint(1), 2, 3] : [uint(1), 2, 4];
+		uint[3] memory b = [uint(1), 2, c ? 3 : 4];
+		assert(a[0] == b[0]);
+		assert(a[1] == b[1]);
+		assert(a[2] == b[2]);
+	}
+}
+// ----

test/libsolidity/smtCheckerTests/types/array_literal_5.sol

@@ -0,0 +1,16 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	uint[] s;
+	function f() public {
+		uint[3] memory a = [uint(1), 2, 3];
+		s = a;
+		assert(s.length == a.length);
+		assert(s[0] == a[0]);
+		assert(s[1] == a[1]);
+		assert(s[2] != a[2]); // fails
+	}
+}
+// ----
+// Warning 6328: (209-229): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/types/array_literal_6.sol

@@ -0,0 +1,18 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	function f() public pure {
+		uint[3] memory a = [uint(1), 2, 3];
+		uint[4] memory b = [uint(1), 2, 4, 3];
+		uint[4] memory c = b;
+		assert(a.length == c.length); // fails
+		assert(a[0] == c[0]);
+		assert(a[1] == c[1]);
+		assert(a[2] == c[2]); // fails
+		assert(a[2] == c[3]);
+	}
+}
+// ----
+// Warning 6328: (179-207): CHC: Assertion violation happens here.
+// Warning 6328: (268-288): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/types/array_literal_7.sol

@@ -0,0 +1,23 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	uint[] s;
+	function f() public {
+		uint[3] memory a = [uint(1), 2, 3];
+		uint[4] memory b = [uint(1), 2, 4, 3];
+		uint[4] memory c = b;
+		assert(c.length == b.length);
+		s = a;
+		assert(s.length == a.length);
+
+		assert(s.length == c.length); // fails
+		assert(s[0] == c[0]);
+		assert(s[1] == c[1]);
+		assert(s[2] == c[2]); // fails
+		assert(s[2] == c[3]);
+	}
+}
+// ----
+// Warning 6328: (259-287): CHC: Assertion violation happens here.
+// Warning 6328: (348-368): CHC: Assertion violation happens here.

test/libsolidity/syntaxTests/abiEncoder/v1_inheritance_from_contract_defining_v2_event.sol

@@ -0,0 +1,15 @@
+==== Source: A ====
+pragma experimental ABIEncoderV2;
+
+struct Item {
+    uint x;
+}
+
+contract C {
+    event Ev(Item);
+}
+==== Source: B ====
+import "A";
+
+contract D is C {}
+// ----

test/libsolidity/syntaxTests/abiEncoder/v1_inheritance_from_contract_defining_v2_function_accepting_struct.sol

@@ -0,0 +1,16 @@
+==== Source: A ====
+pragma experimental ABIEncoderV2;
+
+contract C {
+    struct Item {
+        uint x;
+    }
+
+    function get(Item memory) external view {}
+}
+==== Source: B ====
+import "A";
+
+contract D is C {}
+// ----
+// TypeError 6594: (B:13-31): Contract "D" does not use ABIEncoderV2 but wants to inherit from a contract which uses types that require it. Use "pragma experimental ABIEncoderV2;" for the inheriting contract as well to enable the feature.

test/libsolidity/syntaxTests/abiEncoder/v1_inheritance_from_contract_defining_v2_function_returning_struct.sol

@@ -0,0 +1,16 @@
+==== Source: A ====
+pragma experimental ABIEncoderV2;
+
+contract C {
+    struct Item {
+        uint x;
+    }
+
+    function get() external view returns(Item memory) {}
+}
+==== Source: B ====
+import "A";
+
+contract D is C {}
+// ----
+// TypeError 6594: (B:13-31): Contract "D" does not use ABIEncoderV2 but wants to inherit from a contract which uses types that require it. Use "pragma experimental ABIEncoderV2;" for the inheriting contract as well to enable the feature.