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-rw-r--r--test/unit_tests/parser.cpp51
1 files changed, 41 insertions, 10 deletions
diff --git a/test/unit_tests/parser.cpp b/test/unit_tests/parser.cpp
index 594e162..231be3d 100644
--- a/test/unit_tests/parser.cpp
+++ b/test/unit_tests/parser.cpp
@@ -29,35 +29,58 @@ const std::vector<std::string_view> input{
"-1",
"--1",
"+--+-2",
+ // Basic exponentiation:
+ "0^0",
+ "4^.5",
+ " 4 ^ ---0.5 ",
+ // Exponentiation is right-associative:
+ "2 ^ 3 ^ 3",
+ "(2 ^ 3) ^ 3",
+ // Exponentiation has higher precedence than the unary minus:
+ "(-2) ^ 2",
+ "-2 ^ 2",
+ "(.5 ^ -1) ^ 4",
+ ".5 ^ -1 ^ 4",
// Basic binary operators:
" 1 + 2 ",
" 2 * 1 + 3 ",
" 2 * (1 + 3) ",
" 2 * (1 + 3 * (1 - -3)) ",
+ " -2 * (1 + --3 * (1 - -3)) ",
// Looks weird, but also works in e.g. Python:
" -2 * -+--- (3 + -100e-1) ",
- // Power operator is right-associative:
- "2 ^ 3 ^ 3",
- "(2 ^ 3) ^ 3",
- // Power operator has higher precedence than the unary minus:
- "(.5 ^ -1) ^ 4",
- ".5 ^ -1 ^ 4",
+ " -2^2 --+- -3^0 / (4 + +12) ^.5^2 ",
+ " -2^2 --+- -3^0 / ((4 + +12) ^.5)^2 ",
};
const std::vector<double> expected{
+ // Constants and unary operators:
1,
-1,
1,
-2,
+ // Basic exponentiation:
+ 1,
+ 2,
+ 0.5,
+ // Exponentiation is right-associative:
+ 134217728,
+ 512,
+ // Exponentiation has higher precedence than the unary minus:
+ 4,
+ -4,
+ 16,
+ 2,
+ // Basic binary operators:
3,
5,
8,
26,
+ -26,
+ // Looks weird, but also works in e.g. Python:
14,
- 134217728,
- 512,
- 16,
- 2,
+ -3.5,
+ -3.9375,
};
}
@@ -66,8 +89,11 @@ namespace exec::invalid {
const std::vector<std::string_view> input{
"",
+ "-",
+ "-+-",
// Missing operand:
" 1 + ",
+ "-2 + 3 ^ -",
// Unmatched parentheses:
" 2 * (1 + 3 ",
" 2 * (1 + 3) )",
@@ -76,6 +102,11 @@ const std::vector<std::string_view> input{
const std::vector<std::string> error_msg{
"server error: parser error: expected '-', '+', '(' or a number",
"server error: parser error: expected '-', '+', '(' or a number",
+ "server error: parser error: expected '-', '+', '(' or a number",
+ // Missing operand:
+ "server error: parser error: expected '-', '+', '(' or a number",
+ "server error: parser error: expected '-', '+', '(' or a number",
+ // Unmatched parentheses:
"server error: parser error: missing closing ')'",
"server error: parser error: expected a binary operator",
};