49 lines
No EOL
1.7 KiB
C++
49 lines
No EOL
1.7 KiB
C++
#include "spec_helper.h"
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#include "runtime.h"
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extern TSParseConfig ts_parse_config_arithmetic;
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START_TEST
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describe("arithmetic", []() {
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TSDocument *document;
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before_each([&]() {
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document = TSDocumentMake();
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TSDocumentSetUp(document, ts_parse_config_arithmetic);
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});
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it("parses variables", [&]() {
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TSDocumentSetText(document, "x");
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AssertThat(string(TSDocumentToString(document)), Equals(
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"(expression (term (factor (variable))))"));
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});
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it("parses numbers", [&]() {
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TSDocumentSetText(document, "5");
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AssertThat(string(TSDocumentToString(document)), Equals(
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"(expression (term (factor (number))))"));
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});
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it("parses products of variables", [&]() {
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TSDocumentSetText(document, "x+y");
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AssertThat(string(TSDocumentToString(document)), Equals(
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"(expression (term (factor (variable))) (plus) (term (factor (variable))))"));
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TSDocumentSetText(document, "x*y");
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AssertThat(string(TSDocumentToString(document)), Equals(
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"(expression (term (factor (variable)) (times) (factor (variable))))"));
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});
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it("parses complex trees", [&]() {
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TSDocumentSetText(document, "x*y+z*a");
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AssertThat(string(TSDocumentToString(document)), Equals(
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"(expression (term (factor (variable)) (times) (factor (variable))) (plus) (term (factor (variable)) (times) (factor (variable))))"));
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TSDocumentSetText(document, "x*(y+z)");
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AssertThat(string(TSDocumentToString(document)), Equals(
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"(expression (term (factor (variable)) (times) (factor (expression (term (factor (variable))) (plus) (term (factor (variable)))))))"));
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});
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});
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END_TEST |