aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/test/unit_tests
diff options
context:
space:
mode:
authorEgor Tensin <Egor.Tensin@gmail.com>2019-12-31 20:51:34 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2019-12-31 20:51:34 +0300
commit6d43c1316cf2e7f438c6ca73a43b63d063d7029f (patch)
treedf08df2bc681acc0e6c2906c3c675088fddb5789 /test/unit_tests
parentparser: refactoring (diff)
downloadmath-server-6d43c1316cf2e7f438c6ca73a43b63d063d7029f.tar.gz
math-server-6d43c1316cf2e7f438c6ca73a43b63d063d7029f.zip
parser: support unary +
Diffstat (limited to '')
-rw-r--r--test/unit_tests/parser.cpp23
1 files changed, 18 insertions, 5 deletions
diff --git a/test/unit_tests/parser.cpp b/test/unit_tests/parser.cpp
index 37d9e0a..594e162 100644
--- a/test/unit_tests/parser.cpp
+++ b/test/unit_tests/parser.cpp
@@ -24,20 +24,31 @@ namespace {
namespace exec::valid {
const std::vector<std::string_view> input{
+ // Constants and unary operators:
"1",
+ "-1",
+ "--1",
+ "+--+-2",
+ // Basic binary operators:
" 1 + 2 ",
" 2 * 1 + 3 ",
" 2 * (1 + 3) ",
" 2 * (1 + 3 * (1 - -3)) ",
- " -2 * ---- (3 + -100e-1) ", // Looks weird, but also works in e.g. Python
+ // 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 is right-associative
+ "(2 ^ 3) ^ 3",
+ // Power operator has higher precedence than the unary minus:
"(.5 ^ -1) ^ 4",
- ".5 ^ -1 ^ 4", // Power operator has higher precedence than the unary minus
+ ".5 ^ -1 ^ 4",
};
const std::vector<double> expected{
1,
+ -1,
+ 1,
+ -2,
3,
5,
8,
@@ -55,14 +66,16 @@ namespace exec::invalid {
const std::vector<std::string_view> input{
"",
+ // Missing operand:
" 1 + ",
+ // Unmatched parentheses:
" 2 * (1 + 3 ",
" 2 * (1 + 3) )",
};
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",
+ "server error: parser error: expected '-', '+', '(' or a number",
"server error: parser error: missing closing ')'",
"server error: parser error: expected a binary operator",
};